CN202665725U

CN202665725U - Complete denture impression tray

Info

Publication number: CN202665725U
Application number: CN 201220371038
Authority: CN
Inventors: 张国强
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-07-30
Filing date: 2012-07-30
Publication date: 2013-01-16
Anticipated expiration: 2022-07-30

Abstract

The utility model discloses a complete denture impression tray and belongs to the moulding-die instruments of the department of dentistry. Bar-type leaking holes are respectively formed at two sides of a U-shaped material groove of a upper jaw tray body and a lower jaw tray body in an opposite mode. A bolt which is connected with a nut and an installing hole at one end of a handrail is formed at the backside of the lower end of the U-shaped material groove. Arc-shaped openings are oppositely formed on the center point of the outer wall upper edge and on the center parts on the middle portion upper edges of two sides respectively. The complete denture impression tray with the above design determines the relationship of a straight jaw and a middle jaw. The bolt is connected with the handrail, the upper jaw tray body and the lower jaw tray body make impressions and test the closing mouth of the jaw inside mouth and has no obstacles. An arc-shaped opening is formed on the upper edge of the outer wall and is convenient for the buffering of muscle function trimming when the impressions are made. The complete denture impression tray has good effect proved by more than twenty cases of patients with actual verifications, has high accuracy, especially has obvious effect on year-on-year basis when the alveolar resorption is serious. Therefore the impression-making, the jaw relationships and the occlusal adjustments are all accomplished in a human body biological functional state.

Description

The complete denture impression pallet

Technical field

This utility model relates to dentistry molding apparatus, specifically a kind of complete denture impression pallet.

Background technology

Medical complete denture impression pallet can be divided into plastic die pallet and plaquette pallet on material.Handle and the tray body of plastic die pallet are one-body molded; The handle of metal complete denture impression pallet and tray body also are integrated.Therefore, in order to increase the intensity of artificial tooth impression tray joint portion, riveting molding between handle and tray body.

Impression tray is divided into maxillary denture impression tray and mandibular denture impression tray from 26S Proteasome Structure and Function.The maxillary denture impression tray comprises handle 1a through the semicircle maxillary support disc body 3a of rivet 2 binding one, and the handle 1a other end forms is convenient to clean the hanging hole 4 of hanging.Central the giving prominence to of semicircle maxillary support disc body 3a is formed with the hard palate holder 5 that props up patient's hard palate, forms the recessed hopper of filling in the elasticity impression compound 8 of U-shaped between the domatic inwall 6 of hard palate holder 5 peripheries and the outer wall 7.Hopper 8 bottom surfaces of handle 1a one end and semicircle maxillary support disc body 3a connect to one through rivet 2.

The mandibular denture impression tray comprises handle 1b through the U-shaped Lower jaw support disk body 9a of rivet 2 binding one, and the handle 1b other end forms is convenient to clean the hanging hole 4 of hanging.Form the recessed hopper of filling in the elasticity impression compound 8 of U-shaped between the outer wall 7 of the inwall 6 of U-shaped Lower jaw support disk body 9a and periphery.Hopper 8 bottom surfaces of handle 1b one end and U-shaped Lower jaw support disk body 9a connect to one through rivet 2.

Impression making and definite jaw relation is very important link in the denture processing process, and incorrect jaw relation is the main cause of repairing failure.Traditional method is to use waxiness base and jaw dike, and is uneven in temperature because of the waxiness base, meet high-temperature softening deformation, and is subject to the biting force impact and misplaces.

Chinese patent 201101588 discloses a kind of " disposable high-efficiency dental impression tray ", it is by tray handle and tray body is integrated is formed by connecting, tray body is by outer wall, inwall and middle bow far away consist of, tray handle is connected in the nearly middle part, the outside of outer wall, outer wall is connected to enclose by bow in far away with the end of inwall builds the symmetrical denture shape arc trough of formation one positive and negative, this trough is connected and composed by spacer web, be evenly equipped with the columned interior projection of a row in outer wall and the inboard of the relative trough of inwall, the outer nail that is evenly equipped with the string spherical shape at outer wall and inwall back to the outside of trough is dashed forward.Dental impression tray of the present utility model is easy to use, and occluding relation is accurate, save time, saving of labor, material saving, and disposable use, safe and sanitary can fundamentally be stopped the cross infection between the patient.

Summary of the invention

This utility model is exactly when solving that impression making and definite jaw concern in the prior art, the factors such as the ambient temperature that is subject to operate and patient should not cooperate and incorrect problem, and provide a kind of be applicable to die cream as original stamp and jaw dike determine the jaw relation the complete denture impression pallet.

This utility model is realized according to following technical scheme.

A kind of complete denture impression pallet comprises the semicircle maxillary support disc body that handle and one end connect, and forms the recessed hopper of U-shaped between the peripheral domatic inwall of hard palate holder that maxillary support disc body central authorities are outstanding and the outer wall; The U-shaped Lower jaw support disk body that handle and one end connect, form the recessed hopper of U-shaped between Lower jaw support disk body inwall and the outer wall, and in the U-shaped hopper both sides of maxillary support disc body and Lower jaw support disk body respectively correspondence be formed with the bar shaped small opening, the soffit of U-shaped hopper is formed with the double-screw bolt that is connected with handle one end installing hole through nut; On the outer wall along on mid point and two middle side parts along mid point respectively correspondence be formed with the arc gap.

This utility model that designs like this, the bar shaped small opening that utilizes the U-shaped hopper to form adopts die cream to make the jaw dike, and definite centric jaw relation; Unload lower handle through double-screw bolt, be convenient to the maxillary support disc body and the Lower jaw support disk body is put into mouth, produce die and the examination jaw is remained silent, and without impact and accessible; Along forming the arc gap, be beneficial to when producing die on the outer wall, conveniently do buffering during border molding.This utility model sample is respond well through clinical 20 many cases patient actual verification, and accuracy rate is high, and effect is obvious on year-on-year basis when particularly serious for frontal resorption.

Description of drawings

Fig. 1 is the perspective view at the maxillary support disc back side in the prior art;

Fig. 2 is the perspective view of lower jaw tray back in the prior art;

Fig. 3 is the decomposition texture sketch map at the maxillary support disc of the present invention back side;

Fig. 4 is the decomposition texture sketch map of lower jaw tray back of the present invention.

Among the figure: 1a.1b.1c.1d handle 2. rivets

3a.3b. maxillary support disc body 4. hanging holes

5. hard palate holder 6. inwalls

7. outer wall 8. hoppers

9a.9b. Lower jaw support disk body 10. small openings

11a.11b.11c. gap 12. nuts

13. installing hole 14. double-screw bolts

15. bending section.

The specific embodiment

Below in conjunction with drawings and Examples this utility model is described in detail.

A kind of complete denture impression pallet comprises the semicircle maxillary support disc body 3b that handle 1c and one end connect, and forms the recessed hopper 8 of U-shaped between the hard palate holder 5 peripheral domatic inwalls 6 that maxillary support disc body 3b central authorities are outstanding and the outer wall 7; The U-shaped Lower jaw support disk body 9b that handle 1d and one end connect, form the recessed hopper 8 of U-shaped between Lower jaw support disk body 9b inwall 6 and the outer wall 7, and in U-shaped hopper 8 both sides of maxillary support disc body 3b and Lower jaw support disk body 9b respectively correspondence be formed with bar shaped small opening 10, the soffit of U-shaped hopper 8 is formed with the double-screw bolt 14 that is connected with handle one end installing hole 13 through nut 12; On the outer wall 7 along on mid point and two middle side parts along mid point respectively correspondence be formed with

arc gap

11a, 11b, 11c.It is the style of preformation individual tray.

After handle 1c, 1d unloaded, maxillary support disc body 3b and Lower jaw support disk body 9b put into mouth and produce die and try jaw when remaining silent, without impact and accessible; Mounting handle 1c, 1d and fixing after, be convenient in mouth, take out maxillary support disc body 3b and Lower jaw support disk body 9b and perfusion Gypsum Fibrosum.

Arc gap

11a, 11b, 11c be corresponding upper and lower lip, cheek, lingual frenum respectively, when producing die, conveniently does buffering during border molding.

Described complete denture impression pallet, its corresponding bar shaped small opening 10 two ends semicirculars in shape that form, small opening long 1.5-2 cm, wide 0.4-0.6 cm, small opening 10 major axis are consistent with hopper 8 formation directions.

Described complete denture impression pallet, the soffit of the U-shaped hopper 8 of its maxillary support disc body 3b are formed with the single double-screw bolt 14 that is connected with handle one end installing hole 13 through nut 12.

Described complete denture impression pallet, the soffit of the U-shaped hopper 8 of its Lower jaw support disk body 9b are formed with two double-screw bolts 14 that are connected with handle one end installing hole 13 through nut 12.

Be to increase the intensity of U-shaped Lower jaw support disk body 9b, handle 1d one end is Y-shaped, and forms 2 double-screw bolts 14 and be combined with Lower jaw support disk body 9b; And maxillary support disc body 3b is connected by 1 double-screw bolt 14 with handle 1c one end and gets final product.

Handle 1c, the 1d other end form is convenient to clean the hanging hole 4 of hanging.

For ease of patient's operation, handle 1c and handle 1d also are formed with S shape bending section 15.

Described complete denture impression pallet, it adopts aluminium alloy to make, and material is light first, second is convenient to finishing.

Before the use, in advance double-screw bolt 14 is connected through the installing hole 13 of nut 12 with handle 1c one end respectively, and handle 1c and maxillary support disc body 3b are struck up partnership; Equally, the installing hole 13 of handle 1d one end is connected through the double-screw bolt 14 of nut 12 with the Lower jaw support disk body 9b back side, thereby handle 1d and Lower jaw support disk body 9b became one, and is for subsequent use.

The double-screw bolt 14 of this utility model sample is high 4mm only, avoids hindering the examination jaw to remain silent.

When this utility model uses,

1, at first choose suitable maxillary support disc body 3b and Lower jaw support disk body 9b, should be little unsuitable large, be put in debugging in patient's mouth, and check the down suction between alveolar bone in patient's mouth, whether enough large.

2, produce first die with red cream, do in passing border molding.When the red cream at place, maxillary support disc body drain hole is insufficient, can puts again and scald soft red cream, flatten with the metal gnatho-guide plate, preformation jaw dike sample, the front is slightly more sagging, and its whole thickness preferably is no more than 1/2nd of interarch distance.

3 unload respectively the nut 12 that lower handle 1c, 1d connect after, upper and lower tray body is put into patient's mouth, advise the patient to do to open and close mouthful and motion all around, looked into accessible (noting as far as possible few enough being advisable of red cream) in order to operation below adapting to.

4, will scald soft red cream again and be placed on Lower jaw support disk body small opening position, and carry out the preliminary establishment of jaw relation, and adopt posterior occlusion to add the method for swallowing, vertical dimension can not be decided high, would rather be a little less than actual distance 2 _-3 millimeters.

5, after the taking-up cooling, wear into observation whether deviation is arranged again, as have a question, the roasting soft edges of pallet that needs can be changed and the red cream of tissue surface (attention jaw dyke is divided and can not be heated) are worn in patient's mouth, advise its do-it-yourself border molding, as swallow and the action of break-in all around.

6, taking out upper and lower tray body cools off, dries up and transfer a small amount of boxing impression material, put into upper and lower tray body, put into again patient's mouth and advise its interlock concurrent " m " sound, do simultaneously swallowing act, too not large strength is after this moment, definite final jaw concerned rapidly, spin and take out behind handle 1c, the 1d, pour into respectively Gypsum Fibrosum, dry rear upper jaw frame spreads wax, labelling, examination row tooth.Thereby making impression making, jaw relationship and interlock adjustment all is to finish under the human-body biological functional status.

Claims

1. complete denture impression pallet, comprise the semicircle maxillary support disc body (3b) that handle (1c) and one end connect, form the recessed hopper (8) of U-shaped between the peripheral domatic inwall of hard palate holder (5) (6) that maxillary support disc body (3b) central authorities are outstanding and the outer wall (7); The U-shaped Lower jaw support disk body (9b) that handle (1d) and one end connect forms the recessed hopper (8) of U-shaped between Lower jaw support disk body (9b) inwall (6) and the outer wall (7), it is characterized in that:

A. U-shaped hopper (8) both sides of maxillary support disc body (3b) and Lower jaw support disk body (9b) respectively correspondence be formed with bar shaped small opening (10);

The soffit of b.U shape hopper (8) is formed with the double-screw bolt (14) that is connected with handle one end installing hole (13) through nut (12);

C. outer wall (7) upper along on mid point and two middle side parts along mid point respectively correspondence be formed with arc gap (11a, 11b, 11c).

2. described complete denture impression pallet according to claim 1, it is characterized in that: corresponding bar shaped small opening (10) the two ends semicircular in shape that forms, small opening (10) major axis is consistent with hopper (8) formation direction.

3. described complete denture impression pallet according to claim 1, it is characterized in that: the soffit of the U-shaped hopper (8) of maxillary support disc body (3b) is formed with the single double-screw bolt (14) that is connected with handle one end installing hole (13) through nut (12).

4. described complete denture impression pallet according to claim 1, it is characterized in that: the soffit of the U-shaped hopper (8) of Lower jaw support disk body (9b) is formed with two double-screw bolts (14) that are connected with handle one end installing hole (13) through nut (12).

5. described complete denture impression pallet according to claim 1, it is characterized in that: the complete denture impression pallet adopts aluminium alloy to make.