CN203988442U - Tooth, reparation and stressed implanting body of artificial tooth are planted in a kind of suitable exodontia at once at once - Google Patents

Abstract

This utility model provides a kind of suitable exodontia at once at once to plant tooth, repair and stressed implanting body of artificial tooth, adopt one-part form structure, base station and implantation body are as a whole, base station top is base station bar, both sides, base station bar top are provided with precession bayonet socket, base station bottom is foundation pile, the lower end of foundation pile links together by implantation body's platform and implantation body, implantation body is up big and down small micro-tang shape, implantation body is divided into cervical region, the portions such as implantation body's body and implantation body's root, wherein implantation body's body and root have deep thread, the root of implantation body is provided with a longitudinal cutting groove root is divided into two lobes, one side of cutting groove also cuts into an oblique gap, the tail that cuts of a similar tapping screw of one side formation of cutting groove is slotted, the outer reason in surface is that micron and this implantation body of nanoscale matsurface are rational in infrastructure, easy to make, implantation body's primary stability is good, anti-torsion, anti-rock, can fully meet the plantation at once of exodontia at once, repair and stressed demand, be particularly suitable for carrying out when artificial tooth plants at once and select.

Description

Tooth, reparation and stressed implanting body of artificial tooth are planted in a kind of suitable exodontia at once at once

Technical field

This utility model relates to a kind of implanting body of artificial tooth, and particularly tooth, reparation and stressed implanting body of artificial tooth are planted in a kind of suitable exodontia at once at once, belong to type medical instrument for dental use technical field.

Background technology

Dentistry plantation in recent years transfers repairing the plantation treatment of taking as the leading factor to from simple implant surgery, plant successful standard and be not only simple synosteosis requirement, but will reach the function of tooth and aesthetic effect after plantation and all will make the requirements at the higher level of patient satisfaction.If the hard soft tissue condition of labial teeth is undesirable, can directly affect face, also can impact people's daily social activity.The conventional tooth of planting, need exodontia to plant again for latter two three months, plant and just can repair for latter three months, and rear three the crescent influential point of bone atrophy 3mm that have tooth pulled out, width atrophy 40%, turns over lobe when plantation atrophy 1.5mm again, and soft tissue also can corresponding atrophy, therefore exodontia to three months absence of tooth of planting tooth can have a strong impact on social image, and the atrophy of alveolar bone and soft tissue also can affect the function of the rear tooth of plantation.At once planting technology refers to and adopts Wicresoft's exodontia technology to have tooth pulled out, do not turn over the kind tooth technology that lobe is planted at once and at once repair, adopt planting technology at once can prevent frontal resorption, implantation body is implanted in exodontia nest has 2mm with alveolus wall gap, as long as there is the blood clotting certainly just can normal healing, and atrophy does not occur alveolar bone and soft tissue, can realize good aesthetic effect.

At once planting technology can Shorten the Treatment Process, reduce further consultation number of times, reduce operation wound, reduce alveolar atrophy, and economical convenient, also there is good aesthetic effect, but planting technology at once in one's early years belongs to a clinical technology difficult problem of being disputed in the world responsive, China carries out not extensively, I am also accidental chance once in 1992, fall by bike tooth and just carried out for the first time the plantation trial at once of exodontia at once, but this patient's Dental Implant is still continuing use in 20 years later, gingival papilla atrophy is not obvious, conform to aesthetic requirement, patient feels quite pleased, later in 95 years, within 97 years, I have carried out again and have not at once turned over lobe kind tooth, the implantation body that three of front incisors and front incisor are two, 15 years till now in the past, frontal resorption is not obvious, conform to aesthetic requirement, patient feels quite pleased.Providing along with medical technique level in recent years, international planting technology is at once ripe day by day, and at home, the success of plantation recovery technique at once that north doctor director Di Ping carries out for 2003 also obtains the new technique new therapy first prize, greatly promote the expansion of the planting technology at once of China.Plantation service at once has all been carried out at each plantation center, the whole nation one after another, but is not but applicable to the implantation body of plantation at once, all uses the implantation body of two-period form to substitute at present, generally all selects the most expensive of import.It is high that in two-period form implantation body, the base station of thinner Anterior Implant body and implant neck centre bore connect required precision, and processing is the most difficult, the predilection site that Ye Shi implantation body fractures, and the position of implantation body's cratering bone absorption.And the reparation at once of plantation is at once one step completed, need not divide the formula of hiding to shift by base station again, the conclusion of " the three-dimensional finite element comparison that tooth implant and surrounding bone structural stress distribute " of national natural science fund subsidy project (numbering 61204125) Guangzhou Chinese Academy of Sciences Advanced Technology Laboratories and Zhongshan University's School of Stomatology joint study shows: straight base station and non-submersible implantation body Interface Bone stress minimum, for optimum combination, screw thread is not obvious on the impact of implantation body, so we select implantation body and the integrated one-part form of base station implantation body, the implant neck junction that two-period form labial teeth is thinner, it is the most difficult to process, required precision is high, fracture often and the predilection site of crater sample bone resorption, some doctors are often thought and are caused by non-embedded type by misleading, in fact or antibacterial infects and causes.

Crop cultivation speciality committee of Chinese Medical Association in JIUYUE, 2012 is organized the seminar of " at once planting or extension implant " in Xi'an, conference has invited the 3rd the tooth-planting Professional Committee member of the standing committee to make a speech, also invite especially Italy at once to plant the expert doctor Degidi speech of attending the meeting, sum up and at once plant 6 key factors of tooth in meeting: 1. do not turn over lobe; 2. plantation is stable; 3. 3D location; 4. platform shifts; 5. base station is disposable in place; 6. at once stressed.At once plant accumulated experience in conjunction with me, I think also lacked the heaviest a bit, anti-fine motion fixed and repaired, particularly single tooth plantation, when reparation, speed car pin is to turn clockwise, and one runs into implantation body or corona, and implantation body is at once loosening to counter-clockwise direction.One section of single tooth plantation maybe can grind reason that implants failure rate is high at this, stable when kind, loosening when reparation.Old-fashioned one-part form implantation body primary stability is poor, applies at home 20 years, and utilization rate is still very low.

" biomechanics Research on micron-nano-titanium surface " conclusion according to another Science and Technology Department of Jilin Province Bethune's special fund (numbering 200905175) Jilin University's stomatological hospital and Zhengzhou University's stomatological hospital joint study shows, the electrochemical surface that has micron-nanometer level concurrently can obviously improve one kind, bone plants the healing rate of body interface, and this bears a heavy burden and early loading provides theoretical foundation at once for clinical development.

Utility model content

In order to meet the needs of multiple key points of Dental Implant technology at once, this utility model provides a kind of suitable exodontia at once at once to plant tooth, reparation and stressed implanting body of artificial tooth, this implantation body adopts special structure, after plantation, primary stability is good, anti-torsion, anti-rock, the structure of apparent height simulation natural bone, is conducive to new osteogenesis and mineralising and is conducive to normal healing.

Concrete technical scheme of the present utility model is as follows:

Tooth is planted in a kind of suitable exodontia at once at once, repair and stressed implanting body of artificial tooth, adopt one-part form structure, be that base station and implantation body are as a whole, base station top is base station bar, be responsible for being connected with corona, base station bar is up-small and down-big taper, both sides, base station bar top are provided with precession bayonet socket, base station bottom is foundation pile, foundation pile is up big and down small taper, the lower end of foundation pile links together by implantation body's platform and implantation body, implantation body is up big and down small micro-tang shape, implantation body divides cervical region, implantation body's body and implantation body's root, wherein implantation body's body and root have deep thread, the root of implantation body is provided with a longitudinal cutting groove root is divided into two lobes, one side of cutting groove also cuts into an oblique gap, the tail that cuts of a similar tapping screw of one side formation of cutting groove is slotted.

Described base station bar tapering is 3 °, and length is 6mm, and the connection of base station and corona can adopt the bonding of pegging graft to fix or screw is fixed, and in the time that needs make to be screwed, base station bar arranges corresponding screwed hole on its top.

The tapering of described foundation pile is 2 °, and the length of foundation pile is 3mm, and diameter is that minimum place is φ 3mm.

The tapering of described implantation body is 3 °, and diameter is φ 3.5～4.5mm, and length is 20～25mm.

The long 1mm of described implant neck, can be smooth polishing type, can be also the microgroove type that has fine thread.

The screw thread of described implantation body body and root is trapezoidal thread, and thread depth is 0.35mm.

Groove depth 4～the 6mm of described cutting groove, groove width 0.2mm.

Described implanting body of artificial tooth employing purity is that more than 99.5% pure titanium is made.

The beneficial effect of implanting body of artificial tooth of the present utility model is:

This implantation body is rational in infrastructure, easy to make.Owing to being provided with implantation body's platform in its foundation pile lower end, can prevent that the threaded portion that antibacterial enters implantation body from pathology cuff from causing infection, and thinner foundation pile can give gingiva effectively wide organize width.Implantation body's root has cutting groove and oblique gap, make implantation body in the time screwing in, there is the effect of self tapping, screw in when bottom under certain pressure-acting, implantation body's root also can automatic expansion, therefore implantation body's primary stability is good, anti-torsion, anti-rock, even if plantation is at once repaired and the stressed phenomenon that fine motion also can not occur at once, additional fixed and repaired.Implant surface is through processing in addition, and the structure of altitude simulation natural bone, is conducive to new osteogenesis and mineralising, is conducive to normal healing.Owing to possessing above-mentioned plurality of advantages, this implantation body can fully meet at once that exodontia is planted at once, reparation and stressed demand, is particularly suitable for carrying out when artificial tooth plants at once and selects.

Brief description of the drawings

Fig. 1 is the structural representation of this utility model implanting body of artificial tooth;

Fig. 2 is that the A of Fig. 1 is to view;

Fig. 3 is the structural representation that there is this utility model implanting body of artificial tooth of screwed hole on top;

Installation diagram when Fig. 4 is the use of this utility model implanting body of artificial tooth cooperation corona;

Fig. 5 is the schematic diagram that this utility model is arranged to two-period form structure;

Fig. 6 is the using state figure of this utility model implanting body of artificial tooth.

In figure: 1-base station, 1.1-precession bayonet socket, 1.2-base station bar, 1.3-foundation pile, 1.4-screwed hole, 2-implantation body, 2.1 implantation body's platforms, 2.2-implant neck, 2.3-implantation body body, 2.4-implantation body root, 2.5-cutting groove, 2.6 oblique gap, 3-corona, 4-screw.

Detailed description of the invention

Below in conjunction with accompanying drawing, this utility model is described further.

As Figure 1-3, implanting body of artificial tooth of the present utility model adopts one-part form structure, and base station 1 and implantation body 2 are as a whole, and base station 1 top is base station bar 1.2, be responsible for being connected with corona 3, base station bar 1.2 is up-small and down-big taper, and tapering is 3 °, and length is 6mm, the connection of base station 1 and corona 3 can adopt the bonding of pegging graft to fix or screw 4 is fixed, in the time that needs use screw 4 fixing, base station bar 1.2 can arrange on its top corresponding screwed hole 1.4, as shown in Figure 3.Base station bar 1.2 both sides, top are provided with precession bayonet socket 1.1, while being beneficial to plant, implantation body are screwed in to alveolar bone.Base station 1 bottom is foundation pile 1.3, and foundation pile 1.3 is up big and down small taper, and tapering is 2 °, and the length of foundation pile 1.3 is 3mm, and the minimum place of described foundation pile 1.3 diameter is φ 3mm.The lower end of foundation pile 1.3 links together with implantation body 2 by implantation body's platform 2.1, while connecting corona 3, corona 3 needs cover to be connected to implantation body's platform 2.1 places, because implantation body's platform 2.1 stretches into below gingiva in the time planting, can prevent that titanium from luring black tooth gum and being conducive to the moulding of temporary dental crown.The position through gingiva at foundation pile 1.3 in addition, titanium and gingival soft tissue can not be real combination, can form on so-called " cuff ", antibacterial can enter in cuff, so establish implantation body's platform 2.1 at implantation body's 2 upper limbs, can prevent that the threaded portion that antibacterial directly enters implantation body from causing infection, simultaneously because foundation pile 1.3 diameters are less, its area through gingiva is less, can increase the thickness of soft tissue, and aesthetic effect is played to important effect.Implantation body 2 is up big and down small micro-tang shape, and tapering is 3 °, and diameter is φ 3.5～4.5mm, and length is 20～25mm.Implantation body 2 is respectively implant neck 2.2 from top to bottom, implantation body's body 2.3 and implantation body's root 2.4.Implant neck 2.2 is about 1mm, can be smooth polishing type, can be also the microgroove type that has fine thread.Implantation body's body 2.3 and root 2.4 do not have obvious boundary, on body 2.3 and root 2.4, have dark trapezoidal thread, and thread depth is 0.35mm.The root 2.4 of implantation body is provided with a longitudinal cutting groove 2.5 and root is divided into two lobes, the groove depth 4～6mm of cutting groove 2.5, groove width 0.2mm.One side of cutting groove 2.5 also cuts into an oblique gap 2.6, and the tail that cuts of a similar tapping screw of one side formation of cutting groove 2.5 is slotted, and the root 2.4 of implantation body has two large functions of self tapping and expansion thus.In the time that implantation body is implanted to the predetermined degree of depth, twist into again 0.2～0.5mm with the moment of torsion of 35～45Ncm, the cutting groove 2.5 of implantation body's root 2.4 can be considered face to be worth doing and the 0.2～0.6mm that expands by endogenous cause of ill incision bone, certainly also see sclerotin situation and determine, III osteoid allows to twist into implantation body with 45Ncm moment of torsion, and implantation body's root 2.4 is expanded to 0.6mm to increase torsional rotation force and comprcssive strength.After 10 minutes, then reverse in the other direction with 50Ncm moment of torsion, turn round motionlessly, adopt as seen implantation body's primary stability of this structure good, anti-torsion, anti-rock is effective.

Implanting body of artificial tooth employing purity of the present utility model is that more than 99.5% pure titanium is made.In the time of this implanting body of artificial tooth of preparation, in order to make implantation body's chemical form after implantation more stable, and can form sooner firmly synosteosis with alveolar bone, also must carry out certain surface treatment to it, concrete grammar is as follows:

1), the processing to implant surface: add after polyamide 650 mixed in equal amounts with epoxy resin E44, adding granularity is that the aluminium sesquioxide corundum of 20 μ m-150 μ m mixes dough sample, use again dental base acrylic resin liquid monomer methyl-prop diluted acid formicester, dilute and smash into suspension implantation body is inserted to turntable, suspension is sputtered to implant surface equably with ultrasound wave, allow sand grains be bonded at surface, immerse 0.25% the slow acid etching titanium of Fluohydric acid. liquid surface, form granular protruding pitted surface appearance, then it is clean to rob a surface clean with pressure steam.

2), add Microamounts of Hydrogen fluoric acid with the hydrogen peroxide of 10% concentration and sulphuric acid and make electrolyte, low baking temperature flower discharge anode treatment surface has the titanium implant of sand grains convex surface again, deepen nest hole, making it to form existing micron shape has again the matsurface of nanometer shape, and with thicker titanium oxide film.Titanium natural oxide film only has several nanometer thickness, and has the electrolyte anodic oxidation film thickness of hydrogen peroxide can reach 12-20 μ m micron thick, has sharp Yu to improve the Osseointegrated implants under gerontal patient's osteoporosis condition.

Be accustomed to planting with the implantation body of two-period form structure in order to look after part doctor, also this implantation body can be made to two-period form structure, be that implantation body and base station separate, as shown in Figure 5, now the foundation pile of base station will be extended to 5mm, tapering is 1.5 °, to design position, a hole in platform central authorities of implantation body accordingly, also be that 5mm is dark, tapering is 1.5 °, with the foundation pile of pegging graft.Base station urgent can being assembled into after on implantation body's platform of pegging graft is equivalent to one-part form structure described in the utility model.

Exodontia at once plantation involves a dental prosthetics risk problem, general doctor does not possess the Professional knowledge of beauty treatment, so require high to clinical technology, first to understand the expected value of patient to beauty treatment, according to patient's self-condition, select suitable operation, also need doctor patient communication, correct and affect aesthetic effect factor in time, could improve satisfaction.So using this implantation body to carry out while at once planting, first to check through CBCT (conical beam CT), and simulate plantation.The preoperative whether serious periodontitis that first checks, frontal resorption is how many, and soft tissue lacks how many, and adjacent teeth is crowded and tilt etc. to affect Dental Aesthetic problem.If existing problems preoperatively will be carried out antiinflammatory and periodontal treatment, hard soft tissue augmentation, implants bone meal and palate lobe and shifts, the work such as Maryland fixed bridge clinical repair.Be below concrete plantation embodiment.

Pull out and adopt case that φ 4 × 25mm of the present utility model implantation body plants at once as explanation, as shown in Figure 6 using central incisor.

1) if, have acute inflammation and abscess first to want antiinflammatory before exodontia, after controlling inflammation, just can carry out Wicresoft's exodontia, the part that controls inflammation can be injected and be celebrated large syphilis and metronidazole mixed liquor.

2), patient is carried out to conventional oromaxillo-facial region be CBCT and check, obtain image reconstruction and also apply corresponding software and simulate plantation, make transparent plantation guide plate.

3), Wicresoft exodontia do not destroy tooth socket periodontal membrane as far as possible, very wedges between root of the tooth and intrinsic alveolus very pine trouble tooth with Wicresoft.While extracting tooth, do not deviate from from lip side.

4), wear into plantation guide plate, under the guiding of plantation guide plate, creep into row boring plantation with pioneer.

5) use, step by step to bore to expand aperture, when alveolar ridge thickness is not enough, available osteotome extruding, broadening implantation hole.By Implant after screw tap tapping for implantation hole, utilize the oblique gap self tapping of implantation body's root to screw in, afterburning with 45Ncm moment of torsion precession 0.2～0.5mm again while arriving designated depth, force the cutting groove of implantation body's root to be full of bone and consider and expand bivalve 0.2～0.6mm to be worth doing, thereby improve primary stability and the comprcssive strength that implantation body implants.

6), the lip side of implant neck and exodontia nest allows to leave the space of 1～2mm, implant neck is answered end 1-2mm under alveolar ridge crest, be greater than 1.5mm apart from adjacent teeth, lip side tooth socket can not lean on too closely by implant neck, allow its blood clot be full of normal healing, damaged artificial bone meal and the biomembrane placed of lip side seam that is greater than 3mm if having, Guided Bone Regeneration, prevents alveolar osteanabrosis.

7), sew up soft tissue and mould gingiva form, can adopt if necessary rotation gum lobe palate side connective tissue to close the measure such as wound or suspention gingiva, and suffer from conjunction with preoperative giving the labelling that tooth jaw pad is done, nipple during lip side is near, nipple in far away, center gum edge is worked as reference.

8), at once repair, choosing with homochromy self-solidifying dens supporter glue bond for chromoresin tooth.

9), repair time at photosensitive resin-bonded Maryland bridge-type metal alar plate for corona lingual fossa, anti-fine motion anti-torsion.Metal alar plate is processed matsurface with electric conductive oxidation, makes it to be easy to bonding.

10), not directly contact while adjusting jaw, normal healing changes formal artificial tooth and forever repairs after half a year, if sclerotin is better, Liang Zhi implantation body plants continuously, patient's requirement, can be after one week delivery, permanent reparation after two weeks, while going out to come back home as patient.

11), to plant successfully later key be oral hygiene, keeping oral hygiene key is to join the water-flushing device of brushing teeth to patient.

Claims (8)

1. tooth is planted in a suitable exodontia at once at once, repair and stressed implanting body of artificial tooth, adopt one-part form structure, be that base station (1) and implantation body (2) are as a whole, it is characterized in that: base station (1) top is base station bar (1.2), base station bar (1.2) is up-small and down-big taper, base station bar (1.2) both sides, top are provided with precession bayonet socket (1.1), base station (1) bottom is foundation pile (1.3), foundation pile (1.3) is up big and down small taper, the lower end of foundation pile (1.3) links together with implantation body (2) by implantation body's platform (2.1), implantation body (2) is up big and down small micro-tang shape, be respectively implant neck (2.2) from top to bottom, implantation body's body (2.3) and implantation body's root (2.4), wherein implantation body's body (2.3) and root (2.4) have deep thread, the root (2.4) of implantation body is provided with a longitudinal cutting groove (2.5) root is divided into two lobes, one side of cutting groove (2.5) also cuts into an oblique gap (2.6), the tail that cuts of a similar tapping screw of one side formation of cutting groove (2.5) is slotted.

2. implanting body of artificial tooth according to claim 1, it is characterized in that: described base station bar (1.2) tapering is 3 °, length is 6mm, when the connection of base station (1) and corona (3) adopts screw (4) fixing, base station bar (1.2) arranges corresponding screwed hole (1.4) on its top.

3. implanting body of artificial tooth according to claim 1, is characterized in that: the tapering of described foundation pile (1.3) is 2 °, and the length of foundation pile (1.3) is 3mm, and the minimum place of described foundation pile (1.3) diameter is φ 3mm.

4. implanting body of artificial tooth according to claim 1, is characterized in that: the tapering of described implantation body (2) is 3 °, and diameter is φ 3.5～4.5mm, and length is 20～25mm.

5. implanting body of artificial tooth according to claim 1, is characterized in that: the long 1mm of described implant neck (2.2) can be smooth polishing type, can be also the microgroove type that has fine thread.

6. implanting body of artificial tooth according to claim 1, is characterized in that: the screw thread of described implantation body body (2.3) and root (2.4) is trapezoidal thread, and thread depth is 0.35mm.

7. implanting body of artificial tooth according to claim 1, is characterized in that: the groove depth 4～6mm of described cutting groove (2.5), groove width 0.2mm, can be swelling.

8. implanting body of artificial tooth according to claim 1, is characterized in that: it is that more than 99.5% pure titanium is made that described implanting body of artificial tooth adopts purity, and surface is the micron order nano level matsurface of holding concurrently.