CN202288510U - Organic polymer denture substituting form bottom bed - Google Patents
Organic polymer denture substituting form bottom bed Download PDFInfo
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- CN202288510U CN202288510U CN2011202802812U CN201120280281U CN202288510U CN 202288510 U CN202288510 U CN 202288510U CN 2011202802812 U CN2011202802812 U CN 2011202802812U CN 201120280281 U CN201120280281 U CN 201120280281U CN 202288510 U CN202288510 U CN 202288510U
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Abstract
The utility model discloses an organic polymer denture substituting form bottom bed which comprises a substrate and a base made of organic polymers; the external edge of the substrate is formed in a way that a curve extends outwards by 4-6mm, the internal edge of the substrate is formed in a way that a curve contracts inwards by 10-12mm, the units of x and y are both mm, the bottom edge of the substrate is formed by extending downwards by 4-6mm along the x-axis direction, and planting nails are arranged between the two curves; first positioning slots are arranged on the outer sides of the planting nails, positioning grooves are arranged on the inner sides of the planting nails, and second positioning slots are arranged on the inner sides of the positioning grooves; and planting nail inserting holes, first positioning lugs, second positioning lugs and a positioning ring are arranged on the base. According to the utility model, a datum line is made by utilizing an equation, so as to determine the contour of the organic polymer denture substituting from bottom bed, and proved by tests, the requirement of making of a fixed substituting form can be met, thereby improving or optimizing the outline design of the substituting form base, and simultaneously simplifying the making procedure; and the organic polymer denture substituting form bottom bed can be made in a split way, thereby being stronger in operability and practicability.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, relates in particular to a kind of organic polymer artificial tooth die base frame that in the stomatology field, uses.
Background technology
The die technology is one of key technology during fixed denture is made, the quality that the stability of organic polymer artificial tooth die base frame and elaboration directly have influence on fixed denture.Traditional die making needs through cast trimming, plant nail, go up the Gypsum Fibrosum base, cut apart operation such as die, and plaster model needs immersion repeatedly, because there is imbibition in Gypsum Fibrosum, causes the analogue formation distortion easily, influences the quality of fixed denture.In the manufacturing process of fixed denture, die will carry out getting of repeated multiple times and wear.What adopt is anhydrite because base is general, and insufficient strength is got repeatedly and caused the die wearing and tearing in the process of wearing easily, analogue formation is deformed, the failure that finally possibly cause artificial tooth to make.
Traditional die manufacture method mainly contains kind of nail method and two kinds of dress box methods.Kind of nail method need be passed through cast trimming, punched, plants nail, last Gypsum Fibrosum base, cut apart operation such as die.The manufacturing process of dress box method has cast trimming, goes up the Gypsum Fibrosum base, cuts apart die etc.The traditional fabrication operation is numerous and jumbled, spended time is long, and technician's technical merit is bigger to the die quality influence, and the organic polymer artificial tooth die base frame of completion is difficult to obtain stabilized quality and realizes mass production.
Because die is to the importance of fixed denture quality and many defectives of traditional manufacturing technique, at present a lot of producers all study and improve the die technology.The meaning represented wherein relatively being arranged and apply to technology that artificial tooth makes has the prefabricated Gypsum Fibrosum base frame of Giroform Models technology and Japanese enterprises of Austrian Amann Girrbach company technological.
Giroform Models die technology has successfully applied to plastics in the making of die base, and has researched and developed professional production equipment and the sophisticated manufacturing technology of a cover.This technology has improved the levels of precision and the stability of die greatly, wearing and tearing of Gypsum Fibrosum base and model deformation problem in getting repeatedly of die worn, also can not occur.Profile is attractive in appearance than the conventional gypsum base, but should technology also have following deficiency: (1) processing technique is complicated, and operator need carry out professional training; (2) professional equipment is more expensive, needs ten thousand yuan of about 6-8; (3) need to use special plastic base that producer provides in the manufacturing process and plant nail, every cover base and to plant the about 6-8 of nail first, cost of manufacture is higher; (4) can not make in advance, can not shorten the artificial tooth fabrication cycle.In addition; This technology mainly is to design to the silicone rubber impression that the doctor gets; Silicone rubber impression is more general in the western developed country utilization; And use at home is also not extensive, and most of doctor gives the plaster model that is still that skilled worker factory provides, and therefore should technology use at home receive certain restriction.
Japanese enterprises developed one apply mechanically the prefabricated base frame of silicone rubber former technology, this technology can be produced complete Gypsum Fibrosum base frame earlier by artificial tooth manufacturer before the doctor places an order, can shorten the artificial tooth process-cycle.Owing to be to make in advance, can reject the base frame that some non-conformity of qualities close requirement, guaranteed the quality of artificial tooth organic polymer artificial tooth die base frame.But should technology also have complex process, quality receives anthropic factor to influence bigger problem.Its material remains Gypsum Fibrosum, and intensity is limited, gets at die to sustain damage easily in the process of wearing and influence quality.
In general, the organic polymer artificial tooth die base frame technology that domestic majority artificial tooth manufacturing enterprise uses is similar, and main the existence: (1) Production Time is long, and operation is many, complex process; (2) plaster model is yielding, and precision is poor; (3) pedestal intensity and adaptation are not enough, the die poor stability; (4) quality is unstable, receives defectives such as operator's level affects is relatively poor.In a word, the die base of current application can not fundamentally solve problems such as expensive, the low precision, not enough, the actual operability of stability that exist in the existing organic polymer artificial tooth die base frame making are not strong.
The utility model content
To the above-mentioned deficiency that exists in the prior art; This utility model provides a kind of employing high-molecular organic material to make; Through improveing its physical property; Plant in advance the nail technology and simplify processing technology, thus obtain low cost, high accuracy, good stability, strong operability organic polymer artificial tooth die base frame.
In order to solve the problems of the technologies described above, this utility model has adopted following technical scheme: the organic polymer artificial tooth die base frame that this utility model provides comprises substrate of being processed by organic polymer and the base of being processed by organic polymer;
Said substrate is a horseshoe-shaped structure, and the outer side edges of substrate is by equation one: the curve that
draws above the x axle outwards expansion 4～6mm forms; The inner side edge of substrate is by equation two: the curve that
draws above the x axle inwardly shrinks 10～12mm and forms; X in equation one and the equation two and the unit of Y are mm; The base of substrate is extended 4～6mm by the negative direction of the axial Y axle of x and is formed; Be evenly equipped with n the nail of planting between the curve in curve in equation one above the x axle and the equation two above the x axle perpendicular to substrate surface; On the upper surface of substrate and near outer side edges, be provided with k first locating slot; On the upper surface of substrate and position, be provided with positioning groove apart from inner side edge 5～6mm; Be provided with j second locating slot at the upper surface of substrate and near inner side edge;
The exterior contour of said base is identical with the external hub size of substrate; Be provided with on the one side of base with substrate on plant the individual nail jack of planting of the corresponding n of nail; Be provided with substrate on the corresponding k of first locating slot first locating convex block; Be provided with substrate on the corresponding j of second locating slot second locating convex block, be provided with substrate on the corresponding locating ring of positioning groove.
Further, the upper surface of said substrate is provided with plants the nail installing hole, and an end of planting nail is fixedly mounted on plants in the nail installing hole, and when substrate was fastened on the base, the other end of planting nail inserted planting in the nail jack of base.
Compared with prior art, the organic polymer artificial tooth die base frame of this utility model has following advantage:
(1) this utility model adopted curve (as datum line) that equation
draws above the x axle outwards expansion confirm the outer side edges of substrate; The curve (as datum line) that employing
is drawn above the x axle inwardly shrinks the inner side edge of confirming substrate; Thereby confirm the external form of organic polymer artificial tooth die base frame; Can satisfy the fixedly needs of die making through test; Not only improve or optimize the configuration design of die base; To realize the beautiful impression of artificial tooth outward appearance die; Simplify manufacturing process simultaneously; Uncertain factor is to the influence of die base quality in the control manufacturing process, but and substrate and base split production, operability and practicality are stronger.
(2) adopt high-molecular organic material to make substrate and base,, fundamentally improve the die base quality that die is accomplished through improving the physical property of manufacturing materials.
(3) adopt and to plant nail technology and the high-molecular organic material compound body of function admirable and complete automatization's processing technique in advance, can guarantee constant product quality, reduce the doing over again of artificial tooth, repair rate, thereby reduce the production cost of artificial tooth processing industry.
(4) this high-molecular organic material price comparison suitable, can save production cost; Processing and forming has the application prospect of mass production easily.
(5) substrate of this utility model and base can separately be made, and reduce the field fabrication time, shorten the customized type artificial tooth production cycle.
Description of drawings
Fig. 1 is the structural representation of substrate;
Fig. 2 is the structural representation of base;
Fig. 3 is the structural representation of substrate in coordinate system.
In the accompanying drawing: the 1-substrate; The 2-base; The 3-curve; 4-plants nail; 5-first locating slot; The 6-positioning groove; 7-second locating slot; 8-plants the nail jack; 9-first projection; 10-second projection; The 11-locating ring; The 12-curve.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment this utility model is done to describe in further detail.
Fig. 1 is the structural representation of substrate, and Fig. 2 is the structural representation of base, and Fig. 3 is the structural representation of substrate in coordinate system, and is as shown in the figure.Organic polymer artificial tooth die base frame comprises substrate of being processed by organic polymer 1 and the base of being processed by organic polymer 2.Substrate 1 is a horseshoe-shaped structure, and the outer side edges of substrate 1 is by equation one: the curve 3 that
draws above the x axle outwards expansion 4～6mm forms.The inner side edge of substrate 1 is by equation two: the curve 12 that
draws above the x axle inwardly shrinks 10～12mm and forms; X in equation one and the equation two and the unit of Y are mm.The base of substrate 1 is extended 4～6mm by the negative direction of the axial Y axle of x and is formed.Be evenly equipped with between the curve 12 in curve 3 in equation one above the x axle and the equation two above the x axle n perpendicular to substrate 1 surface plant nail 4, in the present embodiment, the quantity that n is among the figure can require confirm according to reality.On the upper surface of substrate 1 and near outer side edges, be provided with k first locating slot 5, in the present embodiment, the quantity of k can require to confirm according to reality among the figure.On the upper surface of substrate 1 and position, be provided with positioning groove 6 apart from inner side edge 5～6mm; Be provided with j second locating slot 7 at the upper surface of substrate 1 and near inner side edge, in the present embodiment, the quantity of j can require to confirm according to reality among the figure.The exterior contour of base 2 is identical with the external hub size of substrate 1; Be provided with on the one side of base 2 with substrate 1 on plant nail 4 corresponding n and plant and follow closely jack 8; Be provided with substrate 1 on k corresponding first locating convex block 9 of first locating slot 5; Be provided with substrate 1 on j corresponding second locating convex block 10 of second locating slot 7, be provided with substrate 1 on the corresponding locating ring 11 of positioning groove 6.
The upper surface of substrate 1 is provided with plants the nail installing hole, plants a nail end of 4 and is fixedly mounted on and plants in the nail installing hole, is fastened on 2 last times of base at substrate 1, and the other end of planting nail 4 inserts planting in the nail jack 8 of base 2.
In factory, produce complete organic polymer base frame in advance with high-molecular organic material through automated procedures.The high-molecular organic material kind is many, good mechanical property, and utilization is extensively.In this utility model, adopt ABS plastic to make the die base, PC makes substrate.
ABS resin is acrylonitrile, butadiene and cinnamic terpolymer, owing to have very excellent comprehensive physical and mechanical property, favorable chemical resistance, easy processing and forming, price is cheap again, has become the extremely wide a kind of engineering material of purposes.ABS plastic has good comprehensive physical and mechanical property, and heat-resisting, corrosion resistant, oil resistant, wear-resisting, dimensionally stable, processing characteristics are good, and it has the advantage that three kinds of monomers are given.Wherein acrylonitrile is given material favorable rigidity, hardness, oil resistant corrosion resistant, good coloring and plating property; Butadiene is given the good toughness of material, tolerance to cold; Styrene is given material stiffness, hardness, glossiness and good processing flowability.Change the ratio of three components, can regulate material property.
Mechanical property: ABS plastic has multiple grade specification, and wherein the ABS of medium impact intensity grade has ultimate tensile strength value and best creep resistance.ABS has impact flexibility preferably, and notch sensitivity is less than other many plastics.At a lower temperature, still keep good impact strength.As a kind of unformed plastics, ABS has good creep resistance, not only owing to acrylic plastics, polypropylene, PVC-U etc., also is superior to copolymerized methanal in this respect.Under the intensification condition, this advantage is more obvious.
In ABS resin, rubber grain is decentralized photo, is scattered in the SAN resin continuous phase.When being hit, crosslinked rubber grain bears and absorbs this energy, and stress is disperseed, thereby stops the breach development, improves impart tear with this.The purpose of graft copolymerization is to improve rubber grain surface and resin compatibility and bonding force mutually.
ABS resin can become blend with the various kinds of resin compounding, like PC/ABS, ABS/PVC, PA/ABS, PBT/ABS etc., produces new capability and new application.
Based on above advantage, select ABS resin as main submount material.Strong, the easy suction of material corrosion property in the past that improves through to submount material is out of shape, is difficult for machine kind nail, can't produce shortcomings such as supporting finished product by the mass streamline.
PC is colourless or little yellow thermoplastic engineering plastic of a kind of unformed, odorless, nontoxic, highly transparent, has excellent physical and mechanical properties, and especially resistance to impact is excellent, and hot strength, bending strength, compressive strength are high; Creep properties is little, dimensionally stable; Have good thermostability and lower temperature resistance, in wider temperature range, have stable mechanical property, dimensional stability, electrical property and anti-flammability can be at 60-120 ℃ of following life-time service; No sharp melting point is molten condition at 220-230 ℃; Because the strand rigidity is big, resin melt viscosity is big; Water absorption rate is little, and shrinkage factor is little, and dimensional accuracy is high, and dimensional stability is good, and the thin film breathability is little; Belong to self-extinguishing; Stable to light, but ultraviolet resistance not, good weatherability; Oil resistant, acidproof, not anti-highly basic, oxidizing acid and amine, ketone are dissolved in chlorinated hydrocarbons and aromatic solvent, in water, are prone to cause hydrolysis and cracking for a long time, and shortcoming is poor because of fatigue resistance, is easy to generate stress cracking, and solvent resistance is poor, and wearability is not good enough.
The selection of substrate needed dimensional stability is good, good weatherability, corrosion-resistant, owing to need hand cut, wearability does not need too high.And the PC material does not need for a long time in water, just to meet these requirements.Can increase its ageing resistace of antioxidant enhancement.
The knowledge of utilization oral anatomy is confirmed the monnolithic case of die, forms a horse-hof shape die substrate shape, realizes the coupling with tooth mould upper dental arch form.Die base and substrate telescoping part produce enough mechanical bond intensity for realizing that base jut and substrate female kissing merge, and can realize following purpose:
(1) reduces that artificial tooth is done over again, repair rate: adopt the high-molecular organic material compound body of function admirable and complete automatization's processing technique, can guarantee constant product quality, reduce the doing over again of artificial tooth, repair rate, thereby reduce the production cost of artificial tooth processing industry.
(2) shorten the production time, enhance productivity: existing at least 120 minutes technology base frame operating times; Adopt and to do the mould time behind the native system and can foreshorten to 20 minutes; Simultaneously can save a large amount of manpowers, material, equipment and place resource, improve production efficiency, accelerate the turnover of fixed capital.
(3) reduce production costs, increase enterprise profit: each model of traditional handicraft is made about 10 yuan of mould cost, about 15 yuan of day present technique, and about 20 yuan of Austria's technology is made into after adopting native system to produce in batches and should be lower than like product, estimates to be controlled in the 5 yuan/cover.
Explanation is at last; Above embodiment is only unrestricted in order to the technical scheme of explanation this utility model; Although with reference to preferred embodiment this utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of this utility model; And not breaking away from the aim and the scope of this utility model technical scheme, it all should be encompassed in the middle of the claim scope of this utility model.
Claims (2)
1. an organic polymer artificial tooth die base frame is characterized in that: comprise substrate of being processed by organic polymer (1) and the base of being processed by organic polymer (2);
Said substrate (1) is a horseshoe-shaped structure, and the outer side edges of substrate (1) is by equation one: the curve (3) that
draws above the x axle is outwards expanded 4～6mm and formed; The inner side edge of substrate (1) is by equation two: the curve (12) that
draws above the x axle inwardly shrinks 10～12mm and forms; X in equation one and the equation two and the unit of Y are mm; The base of substrate (1) is extended 4～6mm by the negative direction of the axial Y axle of x and is formed; Be evenly equipped with n in curve in equation one above the x axle (3) and the equation two between the curve (12) of x axle top and plant nail (4) perpendicular to substrate (1) surface; On the upper surface of substrate (1) and near outer side edges, be provided with k first locating slot (5); On the upper surface of substrate (1) and position, be provided with positioning groove (6) apart from inner side edge 5～6mm; Be provided with j second locating slot (7) at the upper surface of substrate (1) and near inner side edge;
The exterior contour of said base (2) is identical with the external hub size of substrate (1); Be provided with on the one side of base (2) with substrate (1) on the corresponding n of nail (4) that plants plant nail jack (8); Be provided with substrate (1) on the corresponding k of first locating slot (5) first locating convex block (9); Be provided with substrate (1) on the corresponding j of second locating slot (7) second locating convex block (10), be provided with substrate (1) on the corresponding locating ring (11) of positioning groove (6).
2. organic polymer artificial tooth die base frame according to claim 1; It is characterized in that: the upper surface of said substrate (1) is provided with plants the nail installing hole; One end of planting nail (4) is fixedly mounted on plants in the nail installing hole; Be fastened on base (2) last time at substrate (1), the other end of planting nail (4) inserts planting in the nail jack (8) of base (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202802812U CN202288510U (en) | 2011-08-03 | 2011-08-03 | Organic polymer denture substituting form bottom bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202802812U CN202288510U (en) | 2011-08-03 | 2011-08-03 | Organic polymer denture substituting form bottom bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202288510U true CN202288510U (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202802812U Expired - Fee Related CN202288510U (en) | 2011-08-03 | 2011-08-03 | Organic polymer denture substituting form bottom bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202288510U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618772A (en) * | 2016-05-27 | 2017-05-10 | 舒葱 | Nail-free denture die base frame and its outer packing for packaging liner |
-
2011
- 2011-08-03 CN CN2011202802812U patent/CN202288510U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618772A (en) * | 2016-05-27 | 2017-05-10 | 舒葱 | Nail-free denture die base frame and its outer packing for packaging liner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20130803 |