CN112603570A - Be used for removable partial denture prosthetic devices - Google Patents

Be used for removable partial denture prosthetic devices Download PDF

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Publication number
CN112603570A
CN112603570A CN202011489605.3A CN202011489605A CN112603570A CN 112603570 A CN112603570 A CN 112603570A CN 202011489605 A CN202011489605 A CN 202011489605A CN 112603570 A CN112603570 A CN 112603570A
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crown
sleeve
base support
support
rod
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CN112603570B (en
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常江
许金栋
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Beijing Liaison Dental Technology Co Ltd
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Beijing Liaison Dental Technology Co Ltd
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/08—Artificial teeth; Making same
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/0003—Making bridge-work, inlays, implants or the like
    • A61C13/0006—Production methods
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/0003—Making bridge-work, inlays, implants or the like
    • A61C13/0006—Production methods
    • A61C13/0018—Production methods using laser
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/10—Fastening of artificial teeth to denture palates or the like
    • A61C13/102—Fastening of artificial teeth to denture palates or the like to be fixed to a frame
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/34—Making or working of models, e.g. preliminary castings, trial dentures; Dowel pins [4]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/036—Cleaning devices for dental prostheses removed from the oral cavity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
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  • Dentistry (AREA)
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  • Immunology (AREA)
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  • Dental Prosthetics (AREA)

Abstract

The invention discloses a removable partial denture repairing device, which comprises a front jaw base, a first base connecting part, a sleeve crown, a bracket main body, a rear jaw base and a sleeve crown internal structure, wherein the front jaw base is connected with the first base connecting part; the upper end of the bracket main body is fixedly connected with a front jaw base support, two sides of the bracket main body are respectively and fixedly connected with a rear jaw base support, the surfaces of the front jaw base support and the rear jaw base support, which are close to one end of the bracket main body, are fixedly connected with a first base support connecting part, and the first base support connecting part is provided with a sleeve crown at the middle part of the front jaw base support and the rear jaw base support; the problem of exposure of the metal snap ring is solved, the movable denture looks more beautiful, the taper (between 2 degrees and 6 degrees) of the inner crown and the outer crown of the sleeve crown is used, the size of the retention force is adjusted according to the root condition of the abutment, the sleeve crown serves as a periodontal splint for the loosened abutment, the abutment is prevented from being stressed, the service time of the abutment is prolonged, the retention mode of the sleeve crown is adopted, the problem that the movable denture is stressed and swung is solved, and the torsion force borne by the abutment is reduced.

Description

Be used for removable partial denture prosthetic devices
Technical Field
The invention relates to the field of denture repair, in particular to a removable partial denture repair device.
Background
The removable partial denture is a prosthesis which can be automatically removed and worn by a patient and is used for partial tooth loss. The removable partial denture is mainly fixed by fixing devices such as clasps fixed on the remaining natural teeth; replacing lost natural teeth with artificial teeth; the alveolar bone recovered and absorbed by the base is adopted, and the parts are connected by a large connector to form a whole; the natural teeth and the residual alveolar ridges in the edentulous area are used as supports to restore the anatomical morphology and physiological functions of the edentulous teeth and the peripheral defected tissues thereof.
The existing removable partial denture repair mainly adopts the following two forms:
in the first form, a cast-bracket type artificial tooth has a main structure of a metal bracket integrally cast with a retainer ring as well as the metal bracket, and the artificial tooth and the abutment are attached to the cast bracket. The common metal materials are cobalt-chromium alloy for false teeth, titanium metal and the like;
the second form is an adhesive denture (plastic base denture), which is a retention clasp bent by using a finished dental steel wire and is formed by connecting structures such as an artificial tooth, the retention clasp and the like into a whole by a resin (methyl methacrylate) base;
common disadvantages of both types of removable partial dentures are: 1. the retaining snap ring part is made of metal or metal wires, so that the appearance is poor; 2. the clasp part is easy to break after being taken and worn daily;
aiming at the defects of the prior art, the invention provides a removable partial denture repairing device.
Disclosure of Invention
The invention provides a removable partial denture repair device, which is used for solving the technical problem.
In order to solve the above technical problems, the present invention discloses a removable partial denture repair device, comprising: the support comprises a front jaw base support, a first base support connecting part, a sleeve crown, a support main body, a rear jaw base support and a second base support connecting part;
the front end of the bracket main body is fixedly connected with a first base support connecting part which is used for being installed on the front jaw base support;
two sides of the bracket main body are respectively and fixedly connected with a second base support connecting part which is used for being arranged on the rear jaw base support;
and a plurality of sleeve crowns are arranged on the two sides of the support main body and between the first base support connecting part and the second base support connecting part.
Preferably, the removable partial denture repair device is characterized in that first hollowed-out parts are arranged on two sides of the bracket main body, close to the sleeve crown;
the bracket main body is provided with a second hollow part close to the first base support connecting part.
Preferably, the removable partial denture repair device comprises a bracket body, wherein the rear part of the bracket body protrudes upwards, and the shape of the bracket body conforms to the jaw relation structure inside the mouth of a patient.
Preferably, the removable partial denture repair device further comprises a bracket body, wherein the bracket body and the collet are welded together by a laser welding machine.
Preferably, a plurality of through holes are uniformly formed in the surfaces of the first base support connecting part and the second base support connecting part.
Preferably, the device for removable partial denture repair is characterized in that the coping comprises an inner crown and an outer crown, and the conicity of the inner crown and the outer crown of the coping is 2-6 °.
Preferably, said removable partial denture repair device, said collet comprising:
the sleeve comprises an outer crown of a sleeve crown, an inner crown of the sleeve crown, a first crown body, a second crown body and a connecting structure;
the first crown body is arranged inside the outer crown of the sleeve crown and is attached to the inner surface of the outer crown of the sleeve crown, the second crown body is arranged inside the first crown body and is attached to the inner surface of the first crown body, and the inner crown of the sleeve crown is arranged inside the second crown body and is attached to the inner surface of the second crown body;
the inner surface of the first crown body is provided with a frosted surface, and the inner surface of the second crown body is provided with a crown body adhesive;
the connection structure of the collet cap comprises:
the clamping block, the spring push rod, the spring and an inner groove of the sleeve crown;
the sleeve crown connecting part at the upper end of the first crown body is provided with a sleeve crown internal groove, two sides of an inner crown of the sleeve crown are respectively and movably provided with a clamping block, the clamping block penetrates through the inner crowns of the first crown body, the second crown body and the sleeve crown, a spring push rod is fixedly connected inside the clamping block, the spring push rod is fixedly connected with an outer crown of the sleeve crown, and a spring is installed between the clamping block and the spring push rod.
Preferably, a removable partial denture prosthesis, said removable partial denture prosthesis further comprising: a prosthetic tooth structure repair cleaning device;
the prosthetic tooth structure repair belt cleaning device includes: the device comprises a main shell, a base support strut, a support main body strut, a worm, a driven gear, a connecting rod, a brush head, a telescopic rod motor, a worm motor, a spring rod, a telescopic rod, a driven gear strut, a supporting head, a fastening bolt and a connecting block;
support first both sides lower extreme fixedly connected with device main casing body, main casing internal lower part both sides fixed mounting has: two sets of transmission components, the transmission components include: the worm motor, the driven gear and the driven gear strut are arranged on the worm shaft; a fixing component is connected between the two groups of transmission components; the fixing assembly includes: the connecting block, the connecting rod, the brush head and the spring rod;
the worm motor is arranged in the main shell of the device, a worm is fixedly connected to the output end of the upper end of the worm motor, the worm is rotatably connected with the main shell of the device, one side, close to each other, of each of the two worms is connected with a driven gear in a meshed mode, and the driven gears are rotatably connected to two sides of a driven gear supporting rod;
the two driven gear supporting rods are fixedly connected with the connecting block, the lower end of the connecting block is fixedly connected with the connecting rod, the lower end of the connecting rod is fixedly connected with the spring rod, and two ends of the spring rod are respectively provided with the brush heads;
support first both sides and be connected with two sets of coupling assembling, coupling assembling includes: the base support rod, the telescopic rod motor, the telescopic rod and the fastening bolt;
the lower end in the supporting head is provided with a base support strut and connected through a fastening bolt;
bristles of the brush head slidingly contact a surface of the one type of removable partial denture repair device;
one end of the base support rod, which is close to the supporting head, is fixedly provided with a support main body support rod, and the support main body support rod is used for fixedly connecting two base support rods;
the inside fixed mounting of base support branch other end has the telescopic link, and telescopic link other end fixed mounting has the telescopic link motor, and telescopic link motor other end fixed connection is inboard at main casing body lower extreme.
Preferably, the removable partial denture repair device further comprises: a test device, the test device comprising:
the pressure sensor is detachably arranged on the upper surface of the sleeve crown and used for detecting the pressure born by the sleeve crown at the position of the pressure sensor;
the controller is electrically connected with the pressure sensor and the alarm;
the controller controls the alarm to work based on the pressure sensor, and the method comprises the following steps:
the method comprises the following steps: the controller calculates the occlusal force of the sleeve crown according to the pressure of the sleeve crown detected by the pressure sensor:
Figure BDA0002840355760000051
wherein P is the occlusal force borne by the collet, F is the pressure borne by the collet detected by the pressure sensor, G is the gravity of the collet, A1The area of the top end of the outer crown being the socket crown, A2The area of the top end of the inner crown of the collet crown;
step two: the controller calculates the actual comprehensive pressure born by the inner crown of the coping according to the pressure born by the coping detected by the pressure sensor, the rigidity of the outer crown of the coping and the rigidity of the inner crown of the coping:
Figure BDA0002840355760000052
wherein, F0The comprehensive pressure born by the inner crown of the coping, P is the occlusal force born by the coping, F is the pressure born by the coping detected by the pressure sensor, and sigma1Rated stiffness, σ, of the material of the outer crown being the collet crown2Rated stiffness of the material of the coping being a collet crown, A1The area of the top end of the outer crown being the socket crown, A2The area of the top end of the inner crown of the telescopic crown, beta is the rated load of the material of the inner crown of the telescopic crown, alpha is the taper between the outer crown of the telescopic crown and the inner crown of the telescopic crown, and cos is cosine;
step three: the controller compares the actual comprehensive pressure born by the inner crown of the telescopic crown with the theoretical maximum value of the comprehensive pressure born by the inner crown of the telescopic crown, and when the difference value between the theoretical maximum value of the comprehensive pressure born by the inner crown of the telescopic crown and the actual comprehensive pressure born by the inner crown of the telescopic crown is smaller than a preset value, the controller controls the alarm to give an alarm.
Preferably, the manufacturing steps of the removable partial denture repair device are as follows:
step 1: preparing and grinding, repairing and preparing the abutment of the residual tooth;
step 2: copying the tooth and the soft and hard tissue shape of the oral cavity of a patient to obtain a dental impression, filling gypsum into the dental impression of the patient to obtain a gypsum model, manufacturing an inner crown of a coping, and finally obtaining a set model of the dental impression of the patient, the gypsum model and the inner crown model of the coping, namely a set mold;
and step 3: trying on the inner crown of the sleeve crown by the patient, determining the jaw relation, and taking the set model completed in the step 2;
and 4, step 4: making an outer crown portion of the coping and positioning the outer crown portion of the coping on the model;
and 5: observing the set model, designing false teeth, and copying a fire-resistant model;
step 6: making a wax pattern of a denture frame on a refractory model, wherein the denture frame comprises: the support comprises a first base support connecting part, a sleeve crown, a support main body and a second base support connecting part;
and 7: casting, grinding and polishing the false tooth bracket wax pattern, and positioning in a set mold; welding the denture support and the outer crown part of the sleeve crown together by a laser welding machine;
and 8: tooth arrangement, and manufacturing a front jaw base support and a rear jaw base support;
and step 9: boxing;
step 10: polishing completes the fabrication of the removable partial denture repair device.
Compared with the prior art, the invention provides a removable partial denture repair device, which has the following beneficial effects:
1. solves the problem of exposing the metal snap ring, and makes the removable denture look more beautiful.
2. The size of the retention force is adjusted according to the root condition of the abutment by using the taper (between 2 and 6 degrees) of the socket crown in the socket crown.
3. The sleeve crown serves as a periodontal splint for the loose abutment, prevents the abutment from being stressed and delays the service time of the abutment.
4. The retaining mode of the sleeve crown solves the problem that the removable denture is stressed to swing, and reduces the torsion force applied to the abutment.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
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 the present invention;
FIG. 2 is a schematic view of the internal structure of the crown of the present invention;
FIG. 3 is a schematic view of the main structure of the stent of the present invention;
fig. 4 is a schematic structural view of the prosthetic appliance structure repairing and cleaning device of the invention.
In the figure: 1. a front jaw base; 2. a first base support connecting part; 3. a socket crown; 4. an internal groove in the sleeve crown; 5. a stent body; 6. a rear jaw base support; 7. a through hole; 8. a first crown body; 9. a second crown body; 10. a second base support connecting part; 11. a clamping block; 12. a spring push rod; 13. a spring; 14. a prosthetic tooth structure repair cleaning device; 1401. a device main housing; 1402. a base support rod; 1403. a stent body strut; 1404. a worm; 1405. a driven gear; 1406. a connecting rod; 1407. a brush head; 1408. a telescopic rod motor; 1409. a worm motor; 1410. a spring lever; 1411. a telescopic rod; 1412. a driven gear strut; 1413. a support head; 1414. fastening a bolt; 1415. and (4) connecting the blocks.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Example 1
Referring to fig. 1, the present invention provides a technical solution:
a removable partial denture restoration device comprising: the support comprises a front jaw base support 1, a first base support connecting part 2, a sleeve crown 3, a support main body 5, a rear jaw base support 6 and a second base support connecting part 10;
the front end of the bracket main body 5 is fixedly connected with a first base support connecting part 2, and the first base support connecting part 2 is used for being installed on a front jaw base support 1;
two sides of the bracket main body 5 are respectively and fixedly connected with a second base support connecting part 10, and the second base support connecting part 10 is used for being installed on the rear jaw base support 6;
a plurality of sleeve crowns 3 are arranged on the two sides of the support main body 5 and positioned between the first base support connecting part 2 and the second base support connecting part 10;
the front jaw base support 1 and the rear jaw base support 6 can be made of wax-type materials; first base support connecting portion 2, sleeve hat 3, support main part 5, second base support connecting portion 10 structure as an organic whole wholly constitute the support, can adopt the metal material to make.
The beneficial effects of the above technical scheme are: the problem that the metal snap ring is exposed is solved, the removable partial denture repairing device is more attractive to use, and meanwhile, the structure of the removable partial denture repairing device is more in line with the oral structure of a patient, so that the device is more comfortable and convenient to wear.
Example 2
Referring to fig. 3, based on embodiment 1, the present invention provides a technical solution:
a partial denture prosthesis device for removable, wherein, a first hollow part is arranged at the two sides of a bracket main body 5 near a sleeve crown 3;
the bracket main body 5 is provided with a second hollow part close to the first base support connecting part 2;
a removable partial denture repair device according to claim 1, wherein said bracket body 5 is upwardly projecting from the rear, said bracket body 5 being shaped to conform to the internal jaw relation of the patient's mouth.
In the removable partial denture repair device, the holder body 5 and the socket crown 3 are welded together by a laser welding machine.
The beneficial effects of the above technical scheme are: the frame body 5 fixes the structural stability of the removable partial denture repair device, and the hollowed-out portion of the frame body 5 reduces the weight of the removable partial denture repair device, so that the structure is simpler and lighter.
Example 3
Referring to fig. 1, on the basis of embodiment 1 or 2, the present invention provides a technical solution:
a is used for the removable partial denture prosthetic devices, the said first base support connecting portion 2, the surface of the second base support connecting portion 10 has several through holes 7 evenly;
the beneficial effects of the above technical scheme are: the connection through the first base support connecting part 2 enables the partial denture repair device for removing to be stable in structure, the service life of the structure is prolonged, the through holes 7 reduce the weight and the consumable of the first base support connecting part, and meanwhile, the mechanism is more stable.
Example 4
On the basis of the embodiment 1, 2 or 3, please refer to fig. 2, the present invention provides a technical solution:
the partial denture repair device for removable comprises a collet crown 3, an inner crown and an outer crown, wherein the taper of the inner crown and the taper of the outer crown of the collet crown 3 are 2-6 degrees
Said collet crown 3 comprises:
an outer crown of the socket crown 3, an inner crown of the socket crown 3, a first crown body 8, a second crown body 9 and a connecting structure;
the first crown body 8 is arranged inside the outer crown of the sleeve crown 3 and is attached to the inner surface of the outer crown of the sleeve crown 3, the second crown body 9 is arranged inside the first crown body 8 and is attached to the inner surface of the first crown body 8, and the inner crown of the sleeve crown 3 is arranged inside the second crown body 9 and is attached to the inner surface of the second crown body 9;
the inner surface of the first crown body 8 is provided with a frosted surface, and the inner surface of the second crown body 9 is provided with a crown body adhesive;
the connection structure of the collet crown 3 comprises:
the clamping block 11, the spring push rod 12, the spring 13 and the sleeve crown inner groove 4;
an inner sleeve crown groove 4 is formed in the connecting part of the upper end of the first crown body 8 and the sleeve crown 3, clamping blocks 11 are movably arranged on two sides of an inner crown of the sleeve crown 3 respectively, the clamping blocks 11 penetrate through the first crown body 8, the second crown body 9 and the inner crown of the sleeve crown 3, a spring push rod 12 is fixedly connected inside the clamping blocks 11, the spring push rod 12 is fixedly connected with an outer crown of the sleeve crown 3, and a spring 13 is arranged between the clamping blocks 11 and the spring push rod 12;
silver blocks are placed inside the sleeve crown inner groove 4.
The beneficial effects of the above technical scheme are: the contact area between the second crown body 9 and the inner crown 3 is increased through the first crown body 8, so that the inner crown 3 is firmer after being installed, the structural stability is increased, and the service life of the device is prolonged; abutment tooth gets into interior hat 3 promotion and presss from both sides tight piece 11, and then makes the compression of spring 13, plays the clamping action to abutment tooth, has promoted the stability that the device was worn, and the silver piece has been put to interior hat inside groove 4 inside simultaneously, when interior hat 3 upwards extrudees, can make the silver piece be full of interior hat inside groove 4 of sleeve, prevents that interior hat 3 and sleeve hat 3 inside production clearance from causing long-time use device after, the not hard up condition of interior hat 3 appears, and the silver piece can play the effect of disinfecting to 3 inner structure of sleeve hat simultaneously.
Example 5
On the basis of any one of embodiments 1 to 4, referring to fig. 4, the present invention provides a technical solution:
a removable partial denture restoration device, further comprising: a prosthetic tooth structure repair cleaning device 14;
the prosthetic tooth structure restoration cleaning device 14 includes: device main housing 1401, base support bar 1402, support body bar 1403, worm 1404, driven gear 1405, connecting rod 1406, brush head 1407, telescopic rod motor 1408, worm motor 1409, spring rod 1410, telescopic rod 1411, driven gear bar 1412, support head 1413, fastening bolt 1414, connecting block 1415;
the lower extreme fixedly connected with device main casing 1401 in support head 1413 both sides, lower part both sides fixed mounting has in main casing 1401: two sets of transmission components, the transmission components include: a worm motor 1409, a driven gear 1405, a driven gear strut 1412; a fixing component is connected between the two groups of transmission components; the fixing assembly includes: connection block 1415, connection rod 1406, brush head 1407, spring rod 1410;
the worm motor 1409 is installed in the device main shell 1401, the output end of the upper end of the worm motor 1409 is fixedly connected with a worm 1404, the worm 1404 is rotatably connected with the device main shell 1401, one side of the two adjacent worms 1404 is engaged with a driven gear 1405, and the driven gear 1405 is rotatably connected with two sides of a driven gear strut 1412;
the two driven gear supporting rods 1412 are fixedly connected with a connecting block 1415, the lower end of the connecting block 1415 is fixedly connected with a connecting rod 1406, the lower end of the connecting rod 1406 is fixedly connected with a spring rod 1410, and two ends of the spring rod 1410 are respectively provided with a brush head 1407;
support head 1413 both sides and be connected with two sets of coupling assembling, coupling assembling includes: a base support rod 1402, a telescopic rod motor 1408, a telescopic rod 1411 and a fastening bolt 1414;
the lower end of the inside of the supporting head 1413 is provided with a base supporting rod 1402 and connected through a fastening bolt 1414;
bristles of the brush head 1407 slidably contact the surface of the one type of removable partial denture repair device;
a support main body support bar 1403 is fixedly installed at one end, close to the support head 1413, of the base support bar 1402, and the support main body support bar 1403 is used for fixedly connecting the two base support bars 1402;
the inside fixed mounting of base support pole 1402 other end has telescopic link 1411, and telescopic link 1411 other end fixed mounting has telescopic link motor 1408, and telescopic link motor 1408 other end fixed connection is inboard at main casing 1401 lower extreme.
The denture structure repair cleaning device 14 has the working principle and the beneficial effects that: when the denture structure repairing and cleaning device 14 is used, a removable partial denture repairing device is placed on the denture structure repairing and cleaning device 14, the front jaw base 1 and the rear jaw base 6 are placed at the upper end of the base support rod 1402, the base support rod 1402 is adjusted through the expansion link 1412, so that the base support rod 1402 is matched with the front jaw base 1 and the rear jaw base 6, the base support rod 1402 is fastened by the fastening bolt 1414 to be stable, and the angle and the shape of the support main body support rod 1404 are adjusted to be matched with the support main body 5; after the removable partial denture repair device is used for a long time, the device is easy to deform, the shape of the device can be restored through the denture structure repair and cleaning device 14, the service life of the removable partial denture repair device is prolonged, and the wearing comfort of the removable partial denture repair device after the device is used for a long time is improved; meanwhile, when the partial denture repairing device capable of being picked off is installed on the denture structure repairing and cleaning device 14, the worm motor 1409 works to drive the worm 1404 to rotate, further drive the driven gear 1405 to rotate and move up and down on the worm 1404, the driven gear 1405 moves while driving the connecting rod 1406, the spring rod 1410 and the brush head 1407 to move, the front jaw base 1, the rear jaw base 6, the sleeve crown 3 and the bracket main body 5 which are installed on the denture structure repairing and cleaning device 14 are brushed, the external cleaning of the partial denture repairing device capable of being picked off is ensured, bacteria breeding or surface residual stains are prevented from affecting the partial denture repairing device capable of being picked off for a long time, the oral health of a denture of a patient is ensured, the attractiveness is improved, and the applicability of the device is improved.
Example 6
In accordance with any one of embodiments 1-5, a removable partial denture repair device, further comprising:
a test device, the test device comprising:
the pressure sensor is detachably arranged on the upper surface of the sleeve crown 3 and is used for detecting the pressure born by the sleeve crown 3 at the position of the pressure sensor;
the controller is electrically connected with the pressure sensor and the alarm;
the controller controls the alarm to work based on the pressure sensor, and the method comprises the following steps:
the method comprises the following steps: the controller calculates the occlusal force to which the collet cap 3 is subjected according to the pressure to which the collet cap 3 is subjected, as detected by the pressure sensor:
Figure BDA0002840355760000131
wherein P is the occlusal force of the collet 3, F is the pressure of the collet 3 detected by the pressure sensor, G is the gravity of the collet 3, A1Is the area of the top end of the outer crown of the socket crown 3, A2The area of the top end of the inner crown of the collet crown 3;
step two: the controller calculates the actual comprehensive pressure born by the inner crown of the collet crown 3 according to the pressure born by the collet crown 3 detected by the pressure sensor, the rigidity of the outer crown of the collet crown 3 and the rigidity of the inner crown of the collet crown 3:
Figure BDA0002840355760000141
wherein, F0Is the combined pressure borne by the inner crown of the coping 3, P is the occlusal force borne by the coping 3, F is the pressure borne by the coping 3 detected by the pressure sensor, σ1Is the nominal stiffness, σ, of the material of the outer crown of the collet crown 32Is the nominal stiffness of the material of the inner crown of the collet crown 3, A1Is the area of the top end of the outer crown of the socket crown 3, A2The inner crown being a collet crown 3Beta is the rated load of the material of the inner crown of the coping 3, alpha is the taper between the outer crown of the coping 3 and the inner crown of the coping 3, cos is cosine;
step three: the controller compares the actual comprehensive pressure born by the inner crown of the telescopic crown 3 with the theoretical maximum value of the comprehensive pressure born by the inner crown of the telescopic crown 3, and when the difference value between the theoretical maximum value of the comprehensive pressure born by the inner crown of the telescopic crown 3 and the actual comprehensive pressure born by the inner crown of the telescopic crown 3 is smaller than a preset value, the controller controls the alarm to give an alarm.
The embodiment provides a testing device for detecting whether a denture repair device is qualified or not after the denture repair device is manufactured and before the denture repair device is delivered to a patient;
the pressure sensor is detachably arranged on the upper surface of the sleeve crown 3, the pressure sensor is arranged on the upper surface of the sleeve crown 3 only during testing, and the pressure sensor is not arranged when a patient uses the device at ordinary times, so that the use of the denture repairing device is prevented from being influenced.
The working principle and the beneficial effects are as follows: the controller calculates the occlusal force of the coping 3 according to the pressure of the coping 3 detected by the pressure sensor and the formula (1) (wherein the gravity of the coping 3, the top end area of the coping 3 and the top end area of the inner crown 3 are comprehensively considered), then the controller calculates the comprehensive pressure of the inner crown 3 according to the pressure of the coping 3 detected by the pressure sensor, the rigidity of the coping 3 and the rigidity of the inner crown 3 (wherein the comprehensive consideration is, the top end area of the coping 3, the top end area of the inner crown 3, the rated load of the material of the inner crown 3 and the conicity of the inner crown 3 and the coping 3), when the difference value between the maximum value of the comprehensive pressure borne by the theory and the comprehensive pressure borne by the actual work is larger than a preset value, the controller controls the alarm to give an alarm; the partial denture repairing device capable of being disassembled can be effectively prevented from being damaged due to the fact that the partial denture repairing device capable of being disassembled is manufactured for a patient due to processing errors or processing material problems, and then the patient is caused to bite due to the fact that the hardness of an occluded object is large or the rigidity of the inner crown 3 is reduced due to the processing material problems, so that the partial denture repairing device capable of being disassembled is damaged, the abutment of the patient is damaged, the service life of the partial denture repairing device capable of being disassembled is prolonged, and meanwhile the use safety of the device is improved.
Example 7
In accordance with any one of embodiments 1-6, a removable partial denture repair device, further comprising:
the manufacturing steps of the removable partial denture repair device are as follows:
step 1: preparing and grinding, repairing and preparing the abutment of the residual tooth;
step 2: copying the tooth and the soft and hard tissue shape of the oral cavity of a patient to obtain a dental impression, filling gypsum into the dental impression of the patient to obtain a gypsum model, manufacturing an inner crown of the coping 3, and finally obtaining a set model of the dental impression of the patient, the gypsum model and the inner crown model of the coping 3, namely a set mold;
and step 3: trying on the inner crown of the sleeve crown 3 by the patient, determining the jaw relation, and taking the set model completed in the step 2;
and 4, step 4: making an outer crown portion of the coping 3 and positioning the outer crown portion of the coping 3 on the model;
and 5: observing the set model, designing false teeth, and copying a fire-resistant model;
step 6: making a wax pattern of a denture frame on a refractory model, wherein the denture frame comprises: the first base support connecting part 2, the sleeve crown 3, the bracket main body 5 and the second base support connecting part 10;
and 7: casting, grinding and polishing the false tooth bracket wax pattern, and positioning in a set mold; welding the denture framework and the outer crown part of the sleeve crown 3 together by a laser welding machine;
and 8: arranging teeth, and manufacturing a front jaw base support 1 and a rear jaw base support 6;
and step 9: boxing;
step 10: polishing completes the fabrication of the removable partial denture repair device.
The beneficial effects of the above technical scheme are: the structure of the removable partial denture repairing device more conforms to the shapes of teeth and oral soft and hard tissues of a patient, ensures the comfort of wearing of the patient, and simultaneously has the advantages of stabilizing the structure of the device, improving the stability of the device and prolonging the service life of the device.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. A removable partial denture restoration device, comprising: the support comprises a front jaw base support (1), a first base support connecting part (2), a sleeve crown (3), a support main body (5), a rear jaw base support (6) and a second base support connecting part (10);
the front end of the bracket main body (5) is fixedly connected with a first base support connecting part (2), and the first base support connecting part (2) is used for being installed on the front jaw base support (1);
two sides of the bracket main body (5) are respectively and fixedly connected with a second base support connecting part (10), and the second base support connecting part (10) is used for being installed on the rear jaw base support (6);
the support is characterized in that a plurality of sleeve crowns (3) are arranged on the two sides of the support main body (5) and located between the first base support connecting portion (2) and the second base support connecting portion (10).
2. A device for removable partial denture restoration according to claim 1, wherein first hollowed-out portions are provided on both sides of the bracket body (5) adjacent to the collet crown (3);
the bracket main body (5) is provided with a second hollow part close to the first base support connecting part (2).
3. A removable partial denture restoration device according to claim 1, wherein the rear portion of the bracket body (5) is upwardly projecting, the bracket body (5) being shaped to conform to the internal jaw relationship of the patient's mouth.
4. A device for removable partial denture repair according to claim 2, wherein said bracket body (5) and said collet crown (3) are welded together by a laser welding machine.
5. A partial denture prosthesis for removable according to claim 1, wherein said first and second base connection portions (2, 10) are provided with a plurality of through holes (7) uniformly over their surface.
6. A device for removable partial denture repair according to claim 1, wherein said coping (3) comprises an inner crown and an outer crown, the conicity of the inner and outer crown of said coping (3) being 2 ° -6 °.
7. A device for removable partial denture repair according to claim 1, characterized in that said collet crown (3) comprises:
the sleeve comprises an outer crown of a sleeve crown (3), an inner crown of the sleeve crown (3), a first crown body (8), a second crown body (9) and a connecting structure;
the first crown body (8) is arranged inside the outer crown of the sleeve crown (3) and is attached to the inner surface of the outer crown of the sleeve crown (3), the second crown body (9) is arranged inside the first crown body (8) and is attached to the inner surface of the first crown body (8), and the inner crown of the sleeve crown (3) is arranged inside the second crown body (9) and is attached to the inner surface of the second crown body (9);
the inner surface of the first crown body (8) is provided with a frosted surface, and the inner surface of the second crown body (9) is provided with a crown body adhesive;
the connection structure of the collet crown (3) comprises:
the clamping block (11), the spring push rod (12), the spring (13) and the sleeve crown inner groove (4);
the utility model discloses a sleeve crown, including first crown body (8), first crown body (8) upper end and sleeve crown (3) coupling part are provided with sleeve crown inside groove (4), and the interior crown both sides activity of sleeve crown (3) are provided with respectively presss from both sides tight piece (11), press from both sides tight piece (11) and run through the interior crown of first crown body (8), the second crown body (9), sleeve crown (3), press from both sides the inside fixedly connected with spring push rod (12) of tight piece (11), spring push rod (12) with the outer crown fixed connection of sleeve crown (3), press from both sides between tight piece (11) and spring push rod (12) and install spring (13).
8. A removable partial denture restoration device according to claim 1, further comprising: a prosthetic tooth structure repair cleaning device (14);
the prosthetic tooth structure repair cleaning device (14) comprises: the device comprises a device main shell (1401), a base support rod (1402), a support main body support rod (1403), a worm (1404), a driven gear (1405), a connecting rod (1406), a brush head (1407), a telescopic rod motor (1408), a worm motor (1409), a spring rod (1410), a telescopic rod (1411), a driven gear support rod (1412), a support head (1413), a fastening bolt (1414) and a connecting block (1415);
support head (1413) both sides lower extreme fixedly connected with device main casing body (1401), lower part both sides fixed mounting has in main casing body (1401): two sets of transmission components, the transmission components include: a worm motor (1409), a driven gear (1405) and a driven gear strut (1412); a fixing component is connected between the two groups of transmission components; the fixing assembly includes: a connecting block (1415), a connecting rod (1406), a brush head (1407) and a spring rod (1410);
the worm motor (1409) is installed in the device main shell (1401), the output end of the upper end of the worm motor (1409) is fixedly connected with a worm (1404), the worm (1404) is rotatably connected with the device main shell (1401), one sides of the two worms (1404) close to each other are meshed with a driven gear (1405), and the driven gear (1405) is rotatably connected with two sides of a driven gear support rod (1412);
the two driven gear supporting rods (1412) are fixedly connected with a connecting block (1415), the lower end of the connecting block (1415) is fixedly connected with a connecting rod (1406), the lower end of the connecting rod (1406) is fixedly connected with a spring rod (1410), and two ends of the spring rod (1410) are respectively provided with a brush head (1407);
support head (1413) both sides and be connected with two sets of coupling assembling, coupling assembling includes: the device comprises a base support rod (1402), a telescopic rod motor (1408), a telescopic rod (1411) and a fastening bolt (1414);
the lower end of the inside of the supporting head (1413) is provided with a base supporting rod (1402) which is connected through a fastening bolt (1414);
bristles of the brush head (1407) slidably contact the surface of the removable partial denture repair device;
one end of the base support rod (1402) close to the support head (1413) is fixedly provided with a support main body support rod (1403), and the support main body support rod (1403) is used for fixedly connecting the two base support rods (1402);
the inside fixed mounting of base support branch (1402) other end has telescopic link (1411), and telescopic link (1411) other end fixed mounting has telescopic link motor (1408), and telescopic link motor (1408) other end fixed connection is inboard at main casing body (1401) lower extreme.
9. A removable partial denture restoration device according to claim 1, further comprising: a test device, the test device comprising:
the pressure sensor is detachably arranged on the upper surface of the sleeve crown (3) and used for detecting the pressure born by the sleeve crown (3) at the position of the pressure sensor;
the controller is electrically connected with the pressure sensor and the alarm;
the controller controls the alarm to work based on the pressure sensor, and the method comprises the following steps:
the method comprises the following steps: the controller calculates the occlusal force suffered by the sleeve crown (3) according to the pressure born by the sleeve crown (3) detected by the pressure sensor:
Figure FDA0002840355750000041
wherein P is the occlusal force borne by the collet cap (3), F is the pressure borne by the collet cap (3) detected by the pressure sensor, G is the gravity of the collet cap (3), A1Is the top end area of the outer crown of the socket crown (3), A2Is the area of the top end of the inner crown of the sleeve crown (3);
step two: the controller calculates the actual comprehensive pressure born by the inner crown of the sleeve crown (3) according to the pressure born by the sleeve crown (3) detected by the pressure sensor, the rigidity of the outer crown of the sleeve crown (3) and the rigidity of the inner crown of the sleeve crown (3):
Figure FDA0002840355750000042
wherein, F0Is the comprehensive pressure born by the inner crown of the collet (3), P is the occlusal force born by the collet (3), F is the pressure born by the collet (3) detected by the pressure sensor, sigma1Is the nominal stiffness, sigma, of the material of the outer crown of the collet crown (3)2Is the nominal stiffness of the material of the inner crown of the collet crown (3), A1Is the top end area of the outer crown of the socket crown (3), A2Is the area of the top end of the inner crown of the sleeve crown (3), beta is the rated load of the material of the inner crown of the sleeve crown (3), alpha is the taper of the outer crown of the sleeve crown (3) and the inner crown of the sleeve crown (3), and cos is cosine;
step three: the controller compares the actual comprehensive pressure born by the inner crown of the sleeve crown (3) with the theoretical maximum value of the comprehensive pressure born by the inner crown of the sleeve crown (3), and when the difference value between the theoretical maximum value of the comprehensive pressure born by the inner crown of the sleeve crown (3) and the actual comprehensive pressure born by the inner crown of the sleeve crown (3) is smaller than a preset value, the controller controls the alarm to give an alarm.
10. A removable partial denture restoration device according to claim 1, wherein said device is produced by the steps of:
step 1: preparing and grinding, repairing and preparing the abutment of the residual tooth;
step 2: copying the tooth and the soft and hard tissue shape of the oral cavity of a patient to obtain a dental impression, filling plaster into the dental impression of the patient to obtain a plaster model, manufacturing an inner crown of the coping (3), and finally obtaining a set model of the dental impression of the patient, the plaster model and the inner crown model of the coping (3), namely a set mold;
and step 3: the patient tries to wear the inner crown of the sleeve crown (3) to determine the jaw relation;
and 4, step 4: manufacturing an outer crown part of the sleeve crown (3), taking the assembled die finished in the step 2, and positioning the outer crown part of the sleeve crown (3) on the assembled die;
and 5: observing the set model, designing false teeth, and copying a fire-resistant model;
step 6: making a wax pattern of a denture frame on a refractory model, wherein the denture frame comprises: the support comprises a first base support connecting part (2), a sleeve crown (3), a support main body (5) and a second base support connecting part (10);
and 7: casting, grinding and polishing the false tooth bracket wax pattern, and positioning in a set mold; welding the denture support and the outer crown part of the sleeve crown (3) together through a laser welding machine;
and 8: tooth arrangement, and manufacturing a front jaw base support (1) and a rear jaw base support (6);
and step 9: boxing;
step 10: polishing completes the fabrication of the removable partial denture repair device.
CN202011489605.3A 2020-12-16 Removable partial denture repairing device Active CN112603570B (en)

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CN202146367U (en) * 2011-01-25 2012-02-22 珠海维登国际义齿研发制造有限公司 Removable denture with metal support and bibasic hook
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CN209203579U (en) * 2018-09-21 2019-08-06 西安华冠齿科用品有限公司 Telescope crown
CN209301362U (en) * 2018-11-26 2019-08-27 杭州新致美义齿研发有限公司 A kind of double shielding type telescope denture
CN209695444U (en) * 2018-12-29 2019-11-29 四洲义齿(深圳)有限公司 A kind of telescope crown for preventing from loosening
CN211757109U (en) * 2020-02-17 2020-10-27 青岛超意义齿有限公司 Multi-functional cleaning equipment for artificial tooth
CN214484688U (en) * 2020-12-16 2021-10-26 北京联袂义齿技术有限公司 Be used for removable partial denture prosthetic devices

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201436994U (en) * 2008-12-26 2010-04-14 温伟彬 Attachment body of elastic question mark card
CN202146367U (en) * 2011-01-25 2012-02-22 珠海维登国际义齿研发制造有限公司 Removable denture with metal support and bibasic hook
CN203059943U (en) * 2012-02-07 2013-07-17 陆金泉 Retainer of connecting rod telescopic crown denture
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