CN112451135B - Processing method of pure titanium personalized abutment - Google Patents
Processing method of pure titanium personalized abutment Download PDFInfo
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- CN112451135B CN112451135B CN202011264337.5A CN202011264337A CN112451135B CN 112451135 B CN112451135 B CN 112451135B CN 202011264337 A CN202011264337 A CN 202011264337A CN 112451135 B CN112451135 B CN 112451135B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
- A61C8/0037—Details of the shape
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/022—Anodisation on selected surface areas
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/26—Anodisation of refractory metals or alloys based thereon
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0012—Biomedical image inspection
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/60—Analysis of geometric attributes
- G06T7/62—Analysis of geometric attributes of area, perimeter, diameter or volume
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30004—Biomedical image processing
- G06T2207/30036—Dental; Teeth
Abstract
The invention discloses a method for processing a pure titanium personalized abutment, which comprises the following steps: designing a base station by using design software according to the obtained jaw bone model condition of the patient, and inputting data of the base station into CAD \ CAM equipment for processing to obtain an individualized pure titanium base station; mounting the processed pure titanium abutment on a jaw bone model, and recording a maxilla frame according to a jaw; adjusting the size and the positioning channel of the pure titanium abutment; polishing and cleaning the pure titanium base station after fine finishing; carrying out anodic oxidation treatment on the surface of the gum penetrating part of the pure titanium abutment; the parallel grinding instrument can ensure that a single pure titanium base station has no undercut, and two or more pure titanium base stations obtain consistent common in-place channels; the erosion resistance and the wear resistance of the pure titanium abutment are enhanced by using an anodic electroplating process for the gum penetrating part of the pure titanium abutment, and the color of the gum penetrating part can be close to that of gum, so that the beautiful effect is achieved; is suitable for all titanium and titanium alloy metal restorations in oral restoration.
Description
Technical Field
The invention relates to the technical field of denture repair, in particular to a method for processing a pure titanium personalized abutment.
Background
The implant denture in oral restoration refers to a tooth missing restoration method which uses an infrastructure implanted in bone tissue as a base to support and retain an upper dental restoration after the tooth is missing. The supporting part of the implant denture consists of two parts, namely an implant part implanted into the alveolar bone and an abutment part penetrating out of the gingiva; the implant part replaces the tooth root and the abutment part replaces the crown part. At present, two kinds of abutment replacing the dental crown part exist in the market, one is a finished abutment matched with an implant manufacturer; another is a customized abutment that is personalized to the patient.
At present, in the actual clinical implantation repair, a considerable part of patients have poor alveolar bone conditions, too large implantation angles and other reasons, so that the finished product abutment cannot meet the later repair requirements of the patients; in the prior art, personalized abutments customized for patients have addressed the above-mentioned problems. However, the surface of the personalized titanium abutment is not processed in place, and especially when the treatment of the gingival penetrating part of the abutment is not processed in place, bacteria are easy to breed, so that the gum is inflamed, and the service life of the implant is influenced. Therefore, there is a need to provide a method for processing a titanium-only customized abutment to at least partially solve the problems of the prior art.
Disclosure of Invention
In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
To at least partially solve the above problems, the present invention provides a method for processing a pure titanium personalized abutment, comprising:
s1, designing the abutment by using design software according to the obtained jaw bone model condition of the patient, and inputting the data of the abutment into CAD \ CAM equipment for processing to obtain the personalized pure titanium abutment;
s2, mounting the processed pure titanium abutment on a jaw model, and recording a maxilla frame according to a jaw;
s3, adjusting the size of the pure titanium base;
s4, adjusting the positioning channel of the pure titanium base station;
s5, polishing and cleaning the pure titanium base station after fine finishing;
and S6, carrying out anodic oxidation treatment on the surface of the transgingival part of the pure titanium abutment.
Preferably, the S3 includes:
s301, adjusting the height and the width of the pure titanium base station: according to the occlusion space in the oral cavity of a patient, the size of the pure titanium abutment is adjusted by using a tungsten steel drill and a 0.5mm thin sand sheet;
s302, adjusting the height of the gum penetrating part of the pure titanium abutment: according to the height of the gum 4, marking the position of an annular shoulder at the gum penetrating part, and adjusting the height of the annular shoulder according to the marked position by using a tungsten steel drill to enable the annular shoulder to be in smooth transition with the gum, and enabling the height of the annular shoulder to be the same as the height of the neck rim of an adjacent tooth.
Preferably, the S4 includes:
s401, determining the number of implants on the jaw bone model;
s402, mounting the pure titanium abutment on an implant on the jaw bone model, and fixing the pure titanium abutment on a universal joint of a parallel grinding instrument;
s403, if the number of the implant is one, arranging a positioning channel of the single pure titanium abutment according to the condition of adjacent teeth, and processing anti-skid grains on the side surface of the single pure titanium abutment; if the number of the implant bodies is two or more, a common positioning channel of the pure titanium abutment is arranged according to the condition of adjacent teeth.
Preferably, the S4 includes:
s401, determining the number of the implants on the jaw bone model:
s402, mounting the pure titanium abutment on an implant on the jaw bone model, and fixing the pure titanium abutment on a universal joint of a parallel grinding instrument;
s403, if the number of the implant is one, arranging a positioning channel of the single pure titanium abutment according to the condition of adjacent teeth, and processing anti-skid grains on the side surface of the single pure titanium abutment; if the number of the implant bodies is two or more, a common positioning channel of the pure titanium abutment is arranged according to the condition of adjacent teeth.
Preferably, the S5 includes:
s501, fine trimming is conducted on the annular shoulder of the pure titanium base station: using a dental 8-time magnifier to perform fine trimming on the annular shoulder by matching with a tungsten steel drill and a rubber wheel;
s502, after fine finishing, polishing the surface of the pure titanium base station by using a rubber wheel, a rubber rod, a fiber wheel and a brown wheel in sequence;
and S503, after polishing is finished, cleaning the pure titanium base table by using a steam cleaning machine.
Preferably, the S6 includes: and placing the pure titanium abutment on a positive electrode of an anodic oxidation treatment device, and treating the surface of the transgingival part of the pure titanium abutment to form an oxide film on the surface of the transgingival part.
Preferably, after the pure titanium abutment is polished and cleaned, a detection device is used for detecting the defect of the surface of the pure titanium abutment, and the detection steps are as follows:
wherein, F0(x, y) is each pixel point on the initial image, ghIs the average value of the gray scale of each line of the initial image, glIs the average value of the gray levels of each column of the initial image, MhIs the maximum value of the gray level average value of each line of the initial image, MlThe maximum value of the gray average value of each row of the initial image is obtained, x is the transverse coordinate of a single pixel point, and y is the longitudinal coordinate of the single pixel point;
wherein S ispThe actual area corresponding to a single pixel is x is 1,2,3 … … i, and y is 1,2,3 … … j;
The invention also provides a pure titanium personalized abutment which is processed by using the processing method, and the processing method comprises the following steps: implant, pure titanium base station, locking mechanism, the setting of pure titanium base station is in the top of implant, just the lower extreme of pure titanium base station inserts the upper end of implant, locking mechanism sets up pure titanium base station with the junction of implant.
Preferably, the pure titanium abutment comprises an upper connecting part, an annular shoulder and a lower connecting part which are connected in sequence, a through hole is arranged on the axis of the pure titanium abutment, the through hole penetrates through the upper connecting part, the annular shoulder and the lower connecting part, sliding grooves are symmetrically arranged on the side wall of the lower end of the through hole, the sliding grooves are arranged on the lower connecting part, and external threads are arranged at the lower end of the lower connecting part;
the upper end of the implant is provided with a threaded hole corresponding to the external thread of the lower connecting part, and a hexagonal hole is formed below the threaded hole.
Preferably, the anti-loosening mechanism comprises a sliding assembly, a fixed seat and an elastic piece, the sliding assembly comprises a sleeve and a clamping piece, the sleeve and the clamping piece are connected to the lower end of the through hole in a sliding mode, the fixed seat is arranged on the bottom surface of the hexagonal hole, a clamping groove is formed in the side surface of the fixed seat, the elastic piece is sleeved outside the fixed seat, two ends of the elastic piece are respectively connected with the sleeve and the bottom surface of the hexagonal hole, the clamping groove comprises a clamping portion and a clamping groove inlet and outlet, and the clamping piece slides in the clamping groove and is clamped in the clamping portion in the pressing process of the sleeve;
the clamping piece comprises an annular rod, a vertical rod and a clamping rod, the vertical rod extends after being bent perpendicular to the annular rod, the clamping rod is bent for the second time and then is parallel to the annular rod, the annular rod is fixedly connected with the sleeve, the clamping rod slides in the clamping groove, a boss is arranged on the inner surface of the top of the sleeve, and the annular rod is clamped with the outer surface of the boss; a sliding block corresponding to the sliding groove is arranged on the outer peripheral wall of the sleeve close to the top of the sleeve, and a hexagonal clamping part corresponding to the hexagonal hole is arranged on the outer peripheral wall of the lower end of the sleeve;
the clamping groove is a circle of groove with an inlet and an outlet of the clamping groove, the clamping groove divides the fixed seat into an outer frame outside the clamping groove and a clamping table inside the clamping groove, the clamping part is arranged at the lower part of the clamping groove, and the inlet and the outlet of the clamping groove are arranged at the upper part of the clamping groove; the clamping groove comprises a first clamping groove channel located on the left side and a second clamping groove channel located on the right side, the clamping portion and the clamping groove inlet and outlet are located at two end portions of the first clamping groove channel respectively, the first clamping groove channel is close to one end of the clamping groove inlet and outlet, the second clamping groove channel is close to one end of the clamping groove inlet and outlet, the first clamping groove channel is close to one end of the clamping portion, the second clamping groove channel is close to one end of the clamping portion, and the lower end of the clamping table is arranged in a concave mode.
Preferably, the outer diameter of the hexagonal clamping portion at the lower end of the sleeve is smaller than or equal to the outer diameter of the sleeve, and the height of the hexagonal clamping portion is smaller than that of the hexagonal hole.
Compared with the prior art, the invention at least comprises the following beneficial effects:
1. the processing method of the individualized base station of pure titanium of the invention uses the parallel grinding instrument to guarantee that a single base station of pure titanium does not have the undercut, two or more than two base stations of pure titanium obtain the identical common channel of taking one's place;
2. the gum penetrating part of the pure titanium abutment is treated by an anode electroplating process, so that the corrosion resistance and the wear resistance of the pure titanium abutment are enhanced, the color of the gum penetrating part can be close to that of gum, the metal color is prevented from penetrating out of the gum, a good aesthetic requirement is formed with white artificial teeth with high lightness, and an attractive effect is achieved;
3. the treatment method is suitable for all titanium and titanium alloy metal restorations in the oral restoration.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a pure titanium abutment, an implant and an adjacent tooth in the method for processing a pure titanium personalized abutment according to the present invention.
Fig. 2 is an exploded structural schematic view of a pure titanium abutment, an implant and a locking mechanism in the individual pure titanium abutment according to the present invention.
Fig. 3 is a schematic cross-sectional structure view of the pure titanium personalized abutment according to the present invention, when the pure titanium abutment is assembled with the implant, the sleeve is not pressed down.
Fig. 4 is a schematic cross-sectional structural view of the sleeve pressing and clamping in the assembly of the pure titanium abutment and the implant in the pure titanium personalized abutment according to the present invention.
Fig. 5 is an enlarged schematic view of a portion a in fig. 3.
Fig. 6 is an enlarged schematic view of B in fig. 4.
FIG. 7 is a bottom-most view of the clamping lever as the sleeve continues to be depressed in the FIG. 6 condition.
Fig. 8 is a schematic structural view of an implant in a pure titanium personalized abutment according to the present invention.
Fig. 9 is a schematic structural view of a sleeve in the personalized pure titanium abutment according to the present invention.
Fig. 10 is a schematic structural view of a clamping member in the pure titanium personalized base station according to the present invention.
Fig. 11 is a schematic structural view of a fixing base in the personalized pure titanium abutment according to the present invention.
Fig. 12 is a schematic perspective view of a fixing base of the personalized pure titanium abutment according to the present invention.
The tooth-inserting mechanism comprises a pure titanium abutment 1, an upper connecting part 11, a lower connecting part 12, a through hole 13, a sliding groove 14, a gum penetrating part 2, an annular shoulder 3, a gum 4, an adjacent tooth 5, an implant 6, a threaded hole 61, a hexagonal hole 62, a fixed seat 7, a clamping groove 71, a clamping part 711, a clamping groove inlet and outlet 712, an outer frame 713, a clamping table 714, a first clamping groove channel 715, a second clamping groove channel 716, an elastic part 8, a sleeve 9, a boss 91, a sliding block 92, a hexagonal clamping part 93, a limiting groove 94, a clamping part 10, an annular rod 101, a vertical rod 102, a clamping rod 103, a connecting rod a, a second plane b, a third plane c, a fourth plane d, a fifth plane e, a sixth plane f, a seventh plane g and an eighth plane h.
Detailed Description
The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can practice the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1, the present invention provides a method for processing a pure titanium personalized abutment, comprising: s1, designing the abutment by using design software according to the obtained jaw bone model condition of the patient, and inputting the data of the abutment into CAD \ CAM equipment for processing to obtain the personalized pure titanium abutment 1;
s2, mounting the processed pure titanium abutment 1 on a jaw model, and recording a maxilla frame according to a jaw;
s3, adjusting the size of the pure titanium base 1;
s4, adjusting the positioning channel of the pure titanium base station 1;
s5, polishing and cleaning the pure titanium base station 1 after fine finishing;
and S6, performing anodic oxidation treatment on the surface of the transgingival part 2 of the pure titanium abutment 1.
The S3 includes:
s301, adjusting the height and the width of the pure titanium base station 1: according to the occlusion space in the oral cavity of a patient, the size of the pure titanium abutment 1 is adjusted by using a tungsten steel drill and a 0.5mm thin sand sheet;
s302, adjusting the height of the gum penetrating part 2 of the pure titanium abutment 1: according to the height of the gingiva 4, marking the position of the annular shoulder 3 on the gum penetrating part 2, adjusting the height of the annular shoulder 3 according to the marked position by using a tungsten steel drill to enable the annular shoulder 3 to be in smooth transition with the gingiva 4, and enabling the height of the annular shoulder 3 to be the same as the height of the neck rim of the adjacent tooth 5.
The S4 includes:
s401, determining the number of the implants 6 on the jaw bone model:
s402, mounting the pure titanium abutment 1 on an implant 6 on the jaw bone model, and fixing the pure titanium abutment on a universal joint of a parallel grinding instrument;
s403, if the number of the implant 6 is one, arranging a positioning channel of the single pure titanium abutment 1 according to the condition of an adjacent tooth 5, and processing anti-skid lines on the side surface of the single pure titanium abutment 1; if the number of the implant bodies 6 is two or more, a common positioning channel of a plurality of the pure titanium abutment 1 is arranged according to the condition of the adjacent tooth 5.
The S5 includes:
s501, fine trimming is carried out on the annular shoulder 3 of the pure titanium base platform 1: using a 8-time magnifier for dentistry to perform fine trimming on the annular shoulder 3 by matching with a tungsten steel drill and a rubber wheel;
s502, after fine finishing, polishing the surface of the pure titanium base station 1 by using a rubber wheel, a rubber rod, a fiber wheel and a brown wheel in sequence;
and S503, after polishing is finished, cleaning the pure titanium base table 1 by using a steam cleaning machine.
The S6 includes: the pure titanium abutment 1 is placed on a positive electrode of an anodic oxidation treatment device, and the surface of the transgingival part 2 of the pure titanium abutment 1 is treated to form an oxide film on the surface of the transgingival part 2.
The working principle of the technical scheme is as follows: designing a base station by using design software according to the obtained jaw bone model condition of a patient, inputting data of the base station into CAD \ CAM (design software) equipment for processing to obtain an individualized pure titanium base station 1, then installing the processed pure titanium base station 1 on the jaw bone model, and recording a maxilla frame according to a jaw; according to the occlusion space in the oral cavity of a patient, the height and the width of the pure titanium abutment 1 are adjusted by using a tungsten steel drill and a 0.5mm thin sand sheet; marking the position of an annular shoulder 3 on the gum penetrating part 2 (namely the part of a pure titanium abutment 1 embedded into the gum 4) according to the height of the gum 4, adjusting the height of the annular shoulder 3 by using a tungsten steel drill according to the marked position, enabling the annular shoulder 3 to be smoothly transited with the gum 4, enabling the shoulder transitions of the lip (cheek), the tongue (palate), the mesiodial and distal to be natural, and enabling the height of the annular shoulder 3 to be the same as the height of the neck edge (namely the edge of the gum 4) of an adjacent tooth 5; then, according to the number of the required implants 6 on the jaw bone model determined in advance, the pure titanium abutment 1 with the same number is mounted on the implants 6 on the jaw bone model and fixed on the universal joint of the parallel grinding instrument, and it should be noted that: if the implant 6 is one, arranging a positioning channel of the single pure titanium abutment 1 according to the condition of the adjacent tooth 5 (the positioning channel refers to the common direction and angle of each component of the removable partial denture when being worn in the mouth), and processing anti-skid lines on the side surface of the single pure titanium abutment 1; if the number of the implants 6 is two or more, a common positioning channel of the pure titanium abutment 1 is arranged according to the condition of the adjacent tooth 5, and a 2-degree grinding needle is selected during grinding; then, finely trimming the annular shoulder 3 by using a dental 8-time magnifier in cooperation with a tungsten steel drill and a rubber wheel, polishing the surface of the pure titanium base station 1 by using the rubber wheel, a rubber rod, a fiber wheel and a brown wheel in sequence after trimming, following the principle of polishing in the polishing process, from coarse to fine, from flat to smooth, and then cleaning the polished pure titanium base station 1 by using a steam cleaner; and finally, carrying out anodic oxidation treatment on the gum penetrating part 2 of the pure titanium abutment 1 to form an oxide film on the surface of the gum penetrating part 2, wherein the thickness of the oxide film is in direct proportion to an external voltage, the color of titanium changes along with the thickness of the oxide film, the color of the titanium surface can be controlled by adjusting the external voltage, and the surface of the gum penetrating part 2 presents light yellow and other colors according to actual requirements.
The beneficial effects of the above technical scheme are that: the parallel grinding instrument can ensure that a single pure titanium base station 1 has no undercut, and two or more pure titanium base stations 1 obtain consistent common in-place channels; the surface of the gum penetrating part 2 of the pure titanium abutment 1 is treated by using an anode electroplating process, so that the corrosion resistance and the wear resistance of the pure titanium abutment 1 are enhanced, the color of the gum penetrating part 2 can be close to that of the gum 4, the metal color is prevented from penetrating out of the gum 4, a good aesthetic requirement is formed with a white artificial tooth with higher lightness, and an attractive effect is achieved; the treatment method is suitable for all titanium and titanium alloy metal restorations in the oral restoration.
In one embodiment, after the pure titanium abutment 1 is polished and cleaned, a detection device is used to detect the defect of the surface of the pure titanium abutment 1, and the detection steps are as follows:
wherein, F0(x, y) is each pixel point on the initial image, ghIs the average value of the gray scale of each line of the initial image, glIs the average value of the gray levels of each column of the initial image, MhIs the maximum value of the gray level average value of each line of the initial image, MlThe maximum value of the gray average value of each row of the initial image is obtained, x is the transverse coordinate of a single pixel point, and y is the longitudinal coordinate of the single pixel point;
wherein S ispThe actual area corresponding to a single pixel is x is 1,2,3 … … i, and y is 1,2,3 … … j;
The working principle and the beneficial effects of the technical scheme are as follows: the surface damage of the pure titanium base station 1 is too large or too rough, so that the pure titanium base station is easy to wear when being worn and used, the service life is greatly reduced, and the strength of the pure titanium base station 1 is also reduced, so that the pure titanium base station 1 needs to be polished, the defect area of the surface of the pure titanium base station 1 can be effectively detected by adopting the detection device, and the obtained image is inaccurate by considering the difference of local brightness of the surface of the titanium metal, and the surface brightness difference easily influences the accuracy of defect extraction of the surface of the titanium metal, so that the brightness balance image can be obtained by adopting the formula in the step 1, and the detected defect area is more accurate; the actual area corresponding to a single pixel in the step 2 is 0.01mm, a preset defect area value can be set according to needs in practice, and the smaller the defect area is, the smoother the surface of the obtained pure titanium abutment 1 is; the defect points which can not be seen by naked eyes can be detected by adopting the detection device, the detected pure titanium abutment 1 can reach the use standard, the service life of the pure titanium abutment 1 is prolonged, and the service life of the false tooth is further prolonged.
As shown in fig. 1 to 12, the present invention further provides a pure titanium personalized abutment, which is processed by the above processing method, including: implant 6, pure titanium base station 1, locking mechanism, pure titanium base station 1 sets up the top of implant 6, just the lower extreme of pure titanium base station 1 inserts the upper end of implant 6, locking mechanism sets up pure titanium base station 1 with the junction of implant 6.
The working principle of the technical scheme is as follows: the lower end of the pure titanium abutment 1 is inserted from the upper end of the implant 6 and is connected with the implant through threads, and a locking mechanism is arranged at the joint of the lower end of the pure titanium abutment 1 and the bottom surface of the threaded hole 61 of the implant 6.
The beneficial effects of the above technical scheme are that: the anti-loosening mechanism can prevent the pure titanium abutment 1 from loosening relative to the implant 6, so that the false tooth shakes during use, the pure titanium abutment 1 can be more stable during use, better experience feeling is brought to a patient, and the service life of the false tooth can be prolonged to a certain extent.
In one embodiment, the pure titanium abutment 1 comprises an upper connecting part 11, an annular shoulder 3 and a lower connecting part 12 which are connected in sequence, a through hole 13 is arranged on the axis of the pure titanium abutment 1, the through hole 13 penetrates through the upper connecting part 11, the annular shoulder 3 and the lower connecting part 12, sliding grooves 14 are symmetrically arranged on the side wall of the lower end of the through hole 13, the sliding grooves 14 are arranged on the lower connecting part 12, and the lower end of the lower connecting part 12 is provided with an external thread;
the upper end of the implant 6 is provided with a threaded hole 61 corresponding to the external thread of the lower connecting part 12, and a hexagonal hole 62 is arranged below the threaded hole 61.
The working principle of the technical scheme is as follows: the upper connecting portion 11 of the pure titanium abutment 1 is used for being connected with a false tooth, the external thread of the lower connecting portion 12 is used for being connected with the threaded hole 61 of the implant 6, the annular shoulder 3 needs to be attached to the gum 4 and is smoothly connected with the gum, the upper end of the through hole 13 is used for fixing the false tooth, the lower end through hole 13 is used for connecting the anti-loosening mechanism in the through hole 13 in a sliding mode, the sliding chute 14 is used for limiting the vertical displacement of the anti-loosening mechanism, and the hexagonal hole 62 below the threaded hole 61 of the implant 6 enables the lower end of the sliding portion of the anti-loosening mechanism to be inserted and limits the rotation of the anti-loosening mechanism.
The beneficial effects of the above technical scheme are that: the hexagonal hole 62 of the implant 6 prevents the anti-loosening mechanism from rotating, the chute 14 limits the radial displacement and the rotational movement of the upper end of the anti-loosening mechanism, namely, the anti-loosening mechanism is clamped with the pure titanium base station 1 relatively, and the pure titanium base station 1 is locked with the implant 6 through threads, so that the pure titanium base station 1 and the implant 6 are prevented from rotating relatively.
In one embodiment, the anti-loosening mechanism comprises a sliding assembly, a fixed seat 7 and an elastic member 8, the sliding assembly comprises a sleeve 9 and a clamping member 10 which are slidably connected to the lower end of the through hole 13, the fixed seat 7 is arranged on the bottom surface of the hexagonal hole 62, a clamping groove 71 is arranged on the side surface of the fixed seat 7, the elastic member 8 is sleeved outside the fixed seat 7, two ends of the elastic member 8 are respectively connected with the sleeve 9 and the bottom surface of the hexagonal hole 62, the clamping groove 71 comprises a clamping part 711 and a clamping groove inlet and outlet 712, and the clamping member 10 slides in the clamping groove 71 and is clamped in the clamping part 711 in the pressing process of the sleeve 9;
the clamping piece 10 comprises an annular rod 101, a vertical rod 102 extending after being bent and perpendicular to the annular rod 101, and a clamping rod 103 parallel to the annular rod 101 after being bent twice from the vertical rod 102, the annular rod 101 is fixedly connected with the sleeve 9, the clamping rod 103 slides in the clamping groove 71, a boss 91 is arranged on the inner surface of the top of the sleeve 9, and the annular rod 101 is clamped with the outer surface of the boss 91; a sliding block 92 corresponding to the sliding groove 14 is arranged on the outer peripheral wall of the sleeve 9 close to the top of the sleeve, and a hexagonal clamping portion 93 corresponding to the hexagonal hole 62 is arranged on the outer peripheral wall of the lower end of the sleeve 9;
the clamping groove 71 is a circle of groove with a clamping groove inlet/outlet 712, the clamping groove 71 divides the fixed seat 7 into an outer frame 713 outside the clamping groove 71 and a clamping platform 714 inside the clamping groove 71, the clamping part 711 is arranged at the lower part of the clamping groove 71, and the clamping groove inlet/outlet 712 is arranged at the upper part of the clamping groove 71; the card slot 71 includes a first card slot channel 715 on the left side and a second card slot channel 716 on the right side, the fastening part 711 and the card slot inlet/outlet 712 are respectively located at two ends of the first card slot channel 715, one end of the first card slot channel 715 close to the card slot inlet/outlet 712 is lower than one end of the second card slot channel 716 close to the card slot inlet/outlet 712, one end of the first card slot channel 715 close to the fastening part 711 is higher than one end of the second card slot channel 716 close to the fastening part 711, and the lower end of the card platform 714 is recessed.
The working principle of the technical scheme is as follows: before the pure titanium base station 1 is installed, the sleeve 9 is in sliding connection with the sliding groove 14 of the pure titanium base station 1 through the sliding blocks 92 on the two sides of the sleeve, the clamping piece 10 is clamped with the boss 91 on the top of the inner side of the sleeve 9 through the annular rod 101 of the clamping piece, the upper end of the elastic piece 8 is clamped with the limiting groove 94 arranged on the periphery of the top of the inner side of the sleeve 9, and the fixing seat 7 is arranged on the bottom surface of the hexagonal hole 62 of the implant 6; during installation, the pure titanium base 1, the sleeve 9 installed in the through hole 13 of the pure titanium base, the slider 92, the boss 91, the clamping piece 10 and the elastic piece 8 are screwed into the threaded hole 61 of the implant 6, then the lower end of the elastic piece 8 abuts against the bottom surface of the hexagonal hole 62 of the implant 6, the clamping rod 103 of the clamping piece 10 is aligned with the clamping groove inlet/outlet 712, the hexagonal clamping portion 93 at the lower end of the sleeve 9 corresponds to the hexagonal hole 62 of the implant 6 but is not inserted, i.e. the implant 6 cannot limit the rotation of the sleeve 9, a needle or other rod-shaped object capable of being inserted into the through hole 13 of the pure titanium base 1 is required to apply pressure to the sleeve 9 downwards, the sleeve 9 moves downwards, the slider 92 slides downwards in the sliding groove 14 to drive the clamping rod 103 to slide downwards to the bottom along the first clamping groove channel 715, external force is withdrawn, the elastic piece 8 is compressed to store deformation energy, and the elastic piece 8 has outward thrust to the sleeve 9 and the implant 6 at the same time, under the action of elasticity, the clamping rod 103 is clamped on the clamping part 711, namely, a concave part is arranged at the lower end of the clamping table 714, at the moment, the hexagonal clamping part 93 at the lower end of the sleeve 9 is inserted into the hexagonal hole 62 of the implant 6, at the moment, the sleeve 9 and the implant 6 cannot rotate relatively, the sliding block 92 arranged on the sleeve 9 and the sliding groove 14 of the pure titanium base station 1 are also clamped relatively and cannot rotate, and further, the relative rotation motion of the implant 6 and the pure titanium base station 1 is limited; when the pure titanium abutment 1 needs to be disassembled, firstly, the false tooth on the pure titanium abutment 1 is disassembled, then, external force is applied downwards to the sleeve 9 in the through hole 13, the clamping rod 103 moves to the bottommost part of the clamping groove 71, the external force is removed slowly, then, under the action of the elastic force of the elastic piece 8, the clamping rod 103 slides upwards along the second clamping groove channel 716 and slides out from the clamping groove inlet/outlet 712, at the moment, the hexagonal clamping part 93 at the lower end of the sleeve 9 is completely separated from the hexagonal hole 62 of the implant 6, namely, the implant 6 is not limited to the pure titanium abutment 1, and the pure titanium abutment 1 is screwed down from the implant 6, namely, the disassembly is completed;
the bottom surface of the first card slot channel 715 comprises a fifth plane e, a sixth plane f, a seventh plane g, an eighth plane h and a first plane a which are sequentially connected from top to bottom, the bottom surface of the second card slot channel 716 comprises a second plane b, a third plane c and a fourth plane d which are sequentially connected from bottom to top, the eighth plane h, the first plane a and the second plane b form an inverted V shape, namely, in the sliding direction of the sleeve 9, the first plane a is higher than the lowest point positions of the eighth plane h and the second plane b, wherein the card slot inlet/outlet 712 is positioned at the top end of the fifth plane e, and the clamping part 711 is positioned on the first plane a; the fourth plane d and the fifth plane e, the seventh plane g and the eighth plane h, the eighth plane h and the first plane a, and the first plane a and the second plane b are in step transition, and at the level of the step transition, the fourth plane d is higher than the fifth plane e, the seventh plane g is higher than the eighth plane h, the eighth plane h is higher than the first plane a, and the first plane a is higher than the second plane b, so that the clamping rod 103 can only move in the clamping groove 71 along the counterclockwise direction; the transition surfaces of the fifth plane e and the sixth plane f are in smooth transition, and every two adjacent transition surfaces of the second plane b, the third plane c and the fourth plane d are in smooth transition, so that the continuity of sliding of the clamping rod 103 in the clamping groove 71 is ensured.
The beneficial effects of the above technical scheme are that: the clamping groove 71 on the fixing seat 7 limits the moving track of the clamping rod 103, when the sleeve 9 slides downwards, the clamping rod 103 can only move downwards along the first clamping groove channel 715, and is clamped in the depression at the lower end of the clamping table 714 after external force is removed, the clamping rod 103 is separated from the depression by pressing the sleeve 9 again, the clamping rod 103 can only slide upwards along the second clamping groove channel 716, and further the sleeve 9 can be clamped in the implant 6 or separated from the implant 6 only under the external force, the structure is simple, the operation is convenient, relative rotation of the pure titanium base station 1 and the implant 6 can be effectively prevented, the stability of the false tooth is guaranteed, and better wearing experience can be brought to a patient.
In one embodiment, the hexagonal snap-in portion 93 at the lower end of the sleeve 9 has an outer diameter smaller than or equal to the outer diameter of the sleeve 9, and the height of the hexagonal snap-in portion 93 is smaller than the height of the hexagonal hole 62.
The working principle of the technical scheme is as follows: the external diameter less than or equal to of hexagonal joint portion 93 of sleeve 9 lower extreme the external diameter of sleeve 9, the external diameter of sleeve 9 is corresponding with through-hole 13, guarantees that sleeve 9 can slide in through-hole 13, can not block and die, highly being less than of hexagonal joint portion 93 hexagonal hole 62 highly for when sleeve 9 and planting body 6 chucking, sleeve 9 bottom and hexagonal hole 62 bottom leave the certain distance, guarantee can push down sleeve 9 once more when dismantling, make joint pole 103 deviate from draw-in groove 71.
The beneficial effects of the above technical scheme are that: the smoothness of the anti-loosening mechanism in the using process is ensured, and the situation that the anti-loosening mechanism is stuck or cannot be used in the using process is prevented.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (9)
1. The processing method of the pure titanium personalized abutment is characterized by comprising the following steps:
s1, designing the abutment by using design software according to the obtained jaw bone model condition of the patient, and inputting the data of the abutment into CAD \ CAM equipment for processing to obtain the personalized pure titanium abutment (1);
s2, mounting the processed pure titanium abutment (1) on a jaw bone model, and mounting the jaw bone model on a jaw frame according to the jaw record in the oral cavity of a patient;
s3, adjusting the size of the pure titanium base (1);
s4, adjusting the positioning channel of the pure titanium base station (1);
s5, polishing and cleaning the pure titanium base station (1) after fine trimming;
s6, carrying out anodic oxidation treatment on the surface of the transgingival part (2) of the pure titanium abutment (1);
after polishing and cleaning the pure titanium base (1) in the step S5, performing defect detection on the surface of the pure titanium base (1) by using a detection device, wherein the detection steps are as follows:
step 1, scanning and photographing the surface of the pure titanium base station (1) by using the detection device to obtain an initial image of the surface of the pure titanium base station (1), then converting the initial image into a brightness balance image according to the following formula, and obtaining each pixel point F (x, y) of the brightness balance image:
wherein, F0(x, y) is each pixel point on the initial image, ghIs the average value of the gray scale of each line of the initial image, glIs the average value of the gray levels of each column of the initial image, MhIs the maximum value of the gray level average value of each line of the initial image, MlThe maximum value of the gray average value of each row of the initial image is obtained, x is the transverse coordinate of a single pixel point, and y is the longitudinal coordinate of the single pixel point;
step 2, extracting defect points on the brightness balance image, and calculating the area S of the defect points:
wherein S ispThe actual area corresponding to a single pixel is x is 1,2,3 … … i, and y is 1,2,3 … … j;
step 3, the area S of the defect point and the preset area S of the defect point are compared0Making a comparison when S>S0The detection device gives an alarm to indicate that the surface of the pure titanium abutment (1) has large defect and needs to be polished and cleaned again; when S is less than or equal to S0And if the detection device does not give an alarm, the defect degree of the surface of the pure titanium abutment (1) is in accordance with the standard.
2. The method as claimed in claim 1, wherein the step S3 comprises:
s301, adjusting the height and the width of the pure titanium base (1): according to the occlusion space in the oral cavity of a patient, the size of the pure titanium abutment (1) is adjusted by using a tungsten steel drill and a 0.5mm thin sand sheet;
s302, adjusting the height of the gum penetrating part (2) of the pure titanium abutment (1): marking the position of an annular shoulder (3) on the gum penetrating part (2) according to the height of the gum (4), adjusting the height of the annular shoulder (3) by using a tungsten steel drill according to the marked position, enabling the annular shoulder (3) to be smoothly transited with the gum (4), and enabling the height of the annular shoulder (3) to be the same as the height of a neck rim of an adjacent tooth (5).
3. The method as claimed in claim 1, wherein the step S4 comprises:
s401, determining the number of the implants (6) on the jaw bone model;
s402, mounting the pure titanium abutment (1) on an implant (6) on the jaw bone model, and fixing the pure titanium abutment on a universal joint of a parallel grinding instrument;
s403, if the number of the implant bodies (6) is one, arranging a positioning channel of the single pure titanium abutment (1) according to the condition of adjacent teeth (5), and processing anti-skid lines on the side surface of the single pure titanium abutment (1); if the number of the implants (6) is two or more, a common positioning channel of the pure titanium abutment (1) is arranged according to the condition of the adjacent tooth (5).
4. The method as claimed in claim 1, wherein the step S5 comprises:
s501, fine trimming is carried out on the annular shoulder (3) of the pure titanium base station (1): using a dental 8-time magnifier to match a tungsten steel drill and a rubber wheel to perform fine trimming on the annular shoulder (3);
s502, after fine finishing, polishing the surface of the pure titanium base station (1) by using a rubber wheel, a rubber rod, a fiber wheel and a brown wheel in sequence;
s503, after polishing is finished, cleaning the pure titanium base (1) by using a steam cleaning machine.
5. The method as claimed in claim 1, wherein the step S6 comprises: the pure titanium abutment (1) is placed on a positive electrode of an anodic oxidation treatment device, and the surface of a gum penetrating part (2) of the pure titanium abutment (1) is treated to form an oxide film on the surface of the gum penetrating part (2).
6. A pure titanium personalized abutment treated using the treatment method of any one of claims 1 to 5, comprising: implant (6), pure titanium base station (1), locking mechanism, pure titanium base station (1) sets up the top of implant (6), just the lower extreme of pure titanium base station (1) inserts the upper end of implant (6), locking mechanism sets up pure titanium base station (1) with the junction of implant (6).
7. The pure titanium personalized abutment according to claim 6, wherein the pure titanium abutment (1) comprises an upper connecting part (11), an annular shoulder (3) and a lower connecting part (12) which are connected in sequence, a through hole (13) is formed in the axis of the pure titanium abutment (1), the through hole (13) penetrates through the upper connecting part (11), the annular shoulder (3) and the lower connecting part (12), sliding grooves (14) are symmetrically formed in the side wall of the lower end of the through hole (13), the sliding grooves (14) are formed in the lower connecting part (12), and external threads are formed in the lower end of the lower connecting part (12);
the upper end of the implant (6) is provided with a threaded hole (61) corresponding to the external thread of the lower connecting part (12), and a hexagonal hole (62) is arranged below the threaded hole (61).
8. The pure titanium personalized abutment according to claim 7, wherein the anti-loosing mechanism comprises a sliding component, a fixed seat (7), and an elastic member (8), the sliding component comprises a sleeve (9) and a clamping piece (10) which are connected with the lower end of the through hole (13) in a sliding way, the fixed seat (7) is arranged on the bottom surface of the hexagonal hole (62), a clamping groove (71) is arranged on the side surface of the fixed seat (7), the elastic piece (8) is sleeved outside the fixed seat (7), and both ends of the elastic piece (8) are respectively connected with the sleeve (9) and the bottom surface of the hexagonal hole (62), the clamping groove (71) comprises a clamping part (711) and a clamping groove inlet and outlet (712), in the process that the sleeve (9) is pressed downwards, the clamping piece (10) slides in the clamping groove (71) and is clamped in the clamping part (711);
the clamping piece (10) comprises an annular rod (101), a vertical rod (102) which is perpendicular to the annular rod (101) and extends after being bent, and a clamping rod (103) which is parallel to the annular rod (101) after being bent for the second time from the vertical rod (102), the annular rod (101) is fixedly connected with the sleeve (9), the clamping rod (103) slides in the clamping groove (71), a boss (91) is arranged on the inner surface of the top of the sleeve (9), and the annular rod (101) is clamped with the outer surface of the boss (91); a sliding block (92) corresponding to the sliding groove (14) is arranged on the outer peripheral wall of the sleeve (9) close to the top of the sleeve, and a hexagonal clamping portion (93) corresponding to the hexagonal hole (62) is arranged on the outer peripheral wall of the lower end of the sleeve (9);
the clamping groove (71) is a circle of groove with a clamping groove inlet and outlet (712), the clamping groove (71) divides the fixed seat (7) into an outer frame (713) on the outer side of the clamping groove (71) and a clamping table (714) on the inner side of the clamping groove (71), the clamping part (711) is arranged on the lower portion of the clamping groove (71), and the clamping groove inlet and outlet (712) is arranged on the upper portion of the clamping groove (71); the clamping groove (71) comprises a first clamping groove channel (715) located on the left side and a second clamping groove channel (716) located on the right side, the clamping part (711) and the clamping groove inlet and outlet (712) are located at two ends of the first clamping groove channel (715) respectively, one end, close to the clamping groove inlet and outlet (712), of the first clamping groove channel (715) is lower than one end, close to the clamping groove inlet and outlet (712), of the second clamping groove channel (716), one end, close to the clamping part (711), of the first clamping groove channel (715) is higher than one end, close to the clamping part (711), of the second clamping groove channel (716), and the lower end of the clamping table (714) is arranged in a concave mode.
9. The pure titanium personalized base station as claimed in claim 8, wherein the hexagonal snap-in part (93) at the lower end of the sleeve (9) has an outer diameter less than or equal to the outer diameter of the sleeve (9), and the height of the hexagonal snap-in part (93) is less than the height of the hexagonal hole (62).
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| CN114391992A (en) * | 2022-01-13 | 2022-04-26 | 东莞口腔医院有限公司 | Antibacterial material and preparation method of personalized oral implant abutment |
| CN115976587B (en) * | 2023-02-21 | 2023-08-22 | 中国地质大学（北京） | Production process and system for electrolytic coloring surface oxide layer low reflectivity |
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