CN204709042U

CN204709042U - A kind of removable denture

Info

Publication number: CN204709042U
Application number: CN201520107671.8U
Authority: CN
Inventors: 吴益峰; 汪军
Original assignee: Shandong Hu Ge Oral Cavity Material Ltd Co
Current assignee: Shandong Hu Ge Oral Cavity Material Ltd Co
Priority date: 2015-02-15
Filing date: 2015-02-15
Publication date: 2015-10-21
Anticipated expiration: 2025-02-15

Abstract

The utility model discloses a kind of removable denture, comprise artificial tooth part and base, it is characterized in that: described base is provided with first surface and the second curved surface, first surface and the second curved surface boundary line are gum edge line, described artificial tooth part is arranged on the first surface of base, described artificial tooth part comprises neck portion, dentin and dentium nitor, described neck portion is arranged on the first surface of base, dentinal permeability is in the upside in neck portion, dentium nitor is wrapped in neck portion and Dentinal outside, this utility model decoration structure features simple design, operation uses simple, time saving and energy saving, cost-saving, environmental protection and contribute to increased quality, and substantially can meet all clinical designing requirements to artificial tooth form.

Description

A kind of removable denture

Technical field

This utility model relates to a kind of artificial tooth, particularly a kind of removable denture.

Background technology

As everyone knows, the making of artificial tooth is a traditional repaired by hand technology, it not only needs Dental Technician to have more rich dental clinic Professional knowledge, more need to possess more professional technical ability hand-manipulated, especially denture processing, although its operating equipment is simple, operating procedure is complicated and consuming time longer, thus very easily produce the problems such as occlusion distortion, the technician only possessing suitable operating experience could complete independently all operations process.

Utility model content

Technical assignment of the present utility model provides a kind of removable denture for above prior art deficiency.

This utility model solves the technical scheme that its technical problem adopts: a kind of removable denture, comprise artificial tooth part and base, it is characterized in that: described base is provided with first surface and the second curved surface, first surface and the second curved surface boundary line are gum edge line, and described artificial tooth part is arranged on the first surface of base.

Described artificial tooth part comprises neck portion, dentin and dentium nitor, and described neck portion is arranged on the first surface of base, and dentinal permeability is in the upside in neck portion, and dentium nitor is wrapped in neck portion and Dentinal outside.

Described base is made up of PMMA resin.

This utility model decoration structure features simple design, operation uses simple, time saving and energy saving, cost-saving, environmental protection and contribute to increased quality, and substantially can meet all clinical designing requirements to artificial tooth form.

Accompanying drawing explanation

Accompanying drawing 1 is this utility model structural representation.

Accompanying drawing 2 is this utility model B-B cross-sectional view.

Detailed description of the invention

With reference to Figure of description, this utility model is described in detail below.

As shown in the figure, a kind of removable denture, comprises artificial tooth part 2 and base 1, it is characterized in that: described base 1 is provided with first surface 4 and the second curved surface 5, first surface 4 and the second curved surface 5 boundary line are gum edge line 3, and described artificial tooth part 2 is arranged on the first surface 4 of base 1.

Described artificial tooth part 2 comprises neck portion 23, dentin 22 and dentium nitor 21, and described neck portion 23 is arranged on the first surface 4 of base 1, and dentin 22 is formed in the upside in neck portion 23, and dentium nitor 21 is wrapped in the outside of neck portion 23 and dentin 22.

Described base 1 is made up of PMMA resin.

A manufacture method for removable denture, described removable denture comprises base part and is formed in the artificial tooth part on base part, and concrete steps are:

One, the pre-adult of base is made, the pre-adult of described base processes the die cavity of similar tooth arrangement shape, at the bottom of die cavity processing first surface and the second curved surface, described first surface is the separating surface of base part and artificial tooth part, the boundary line of first surface and the second curved surface is gum edge line, specific as follows:

1. first make one meet artificial tooth base resin technical standard require, and the pre-adult of PMMA base of whole artificial tooth can be contained, its manufacture method is: the metal forming mould making the pre-adult of 40mm thick PMMA base, the commercially available artificial tooth base resin powder (main component polymethyl methacrylate) and commercially available artificial tooth base resin liquid (main component methyl methacrylate) that make the pre-adult of base are concocted in polypropylene plastics pocket according to the ratio of weight ratio 2:1, through the reactions of 10 minutes to dough, be filled into according to the profile of the pre-adult of base in the mold cavity making the pre-adult of base, cold press is first used to cold pressing preforming, the pressure setting of cold press is 2 MPas, temperature of colding pressing is 15 DEG C, preforming time of colding pressing is 2 minutes, then use two sections of temperature hot-forming with compression molding hot press, first paragraph hot pressing temperature is set as 70 DEG C-85 DEG C, pressure setting is 5 MPas, pre-molding 10 minutes, resetting second segment hot pressing temperature is 110 DEG C-135 DEG C, pressure setting is 5 MPas, hot-forming 10 minutes, naturally cool to room temperature, produce the pre-adult of the thick base of 40mm.

2, adopt the method design of computer-aided design and manufacture (CAD/CAM), and export with Computerized digital control system (CNC), the pre-adult of described base processes the die cavity of similar tooth arrangement shape, die cavity bottom design and process first surface and the second curved surface, described first surface 21 is the separating surface of base part and artificial tooth part, the boundary line of first surface and the second curved surface is gum edge line, when designing and process first surface and the second curved surface, gum edge line correspondence is designed to multiple full-length by the model difference according to removable denture, the full-length of the concrete model determination gum edge line of the removable denture selected according to patient, according to the difference at the age of patient, gum edge line correspondence is designed to multiple position, according to the actual age of patient, determine the position of corresponding gum edge line.

Two, in described die cavity, form artificial tooth part, and pre-for base adult is processed into base part, specific as follows:

1, the neck portion colour developing commercially available acrylic resin teeth of manufactured materials (main component polymethyl methacrylate) and commercially available dental base acrylic resin liquid (main component methyl methacrylate) are concocted in polypropylene plastics pocket according to the ratio of weight ratio 2:1, through the reactions of 10 minutes to dough, insert in die cavity, hot-forming with compression molding hot press, temperature is set as 110 DEG C-135 DEG C, pressure setting is 3-5 MPa, hot-press solidifying molding time is set as 10 minutes, naturally cool to room temperature after 10 minutes, develop the color pre-in bulk in formation neck portion; Adopt computer-aided design and manufacture method (CAD/CAM) to carry out the design of personalized neck portion form, and export with Computerized digital control system (CNC), the pre-in bulk that developed the color in neck portion is processed into the pre-adult in neck portion.

2. curing molding in die cavity inserted by the manufactured materials that developed the color by dentin, forms dentin and to develop the color pre-in bulk; Described dentin colour developing manufactured materials and neck portion develop the color manufactured materials composition and cure process identical; Computer-aided design and manufacture method (CAD/CAM) is adopted to carry out the design of personalized dentin form, and export with Computerized digital control system (CNC), the pre-in bulk that developed the color by dentin is processed into the pre-adult of dentin, and dentin preformation body is formed in the upside of the pre-adult in neck portion;

3, dentium nitor portion colour development material is inserted in die cavity, be wrapped in the outside of the pre-adult in neck portion and the pre-adult of dentin, curing molding, form the pre-adult of removable denture; Described dentium nitor portion colour development material and neck portion develop the color manufactured materials composition and cure process identical; Computer-aided design and manufacture method (CAD/CAM) is adopted to carry out personalized designs, and export with Computerized digital control system (CNC), form the pre-adult in dentium nitor portion and base part, the pre-adult in the described pre-adult in neck portion, the pre-adult of dentin and dentium nitor portion forms artificial tooth part, and described artificial tooth part and base part form removable denture.

The each layer color developing effect of above-mentioned artificial tooth all copies the making of resin tooth to require to design, the different tooth position colour developing hight coordinate accomplish that symmetrical same tooth position colour developing is completely the same, being engaged up and down, and the thickness of the neck portion of each tooth position, tooth our department, each layer in dentium nitor portion can precisely control, the overall color developing effect of artificial tooth can be met like this, personalized designs can be carried out to the local colour developing of partial denture again, meet the requirement of patient to stomatological aesthetics to greatest extent.

Three, post processing is carried out to removable denture, obtain finished product.

Cut off the design connecting rod (usually having 4-6 root) in CNC processing, because cutting tool is very thin, blank artificial tooth dipped beam is sliding, and micro-polishing just can reach clinical requirement.

Like this, complete once the complete denture that secondary form is personalized, meet patient physiological characteristic completely.

Claims

1. a removable denture, comprise artificial tooth part and base, it is characterized in that: described base is provided with first surface and the second curved surface, first surface and the second curved surface boundary line are gum edge line, described artificial tooth part is arranged on the first surface of base, and described artificial tooth part comprises neck portion, dentin and dentium nitor, and described neck portion is arranged on the first surface of base, dentinal permeability is in the upside in neck portion, and dentium nitor is wrapped in neck portion and Dentinal outside.

2. a kind of removable denture according to claim 1, is characterized in that: described base is made up of PMMA resin.