Method for manufacturing complete denture with personalized polished surface by using old denture

A technology for complete dentures and polished surfaces, applied in the field of complete dentures, can solve the problems of mucosal irritation, laborious accuracy, poor fluidity of self-setting resin, etc. Avoiding the effect of mucous membrane irritation

Active Publication Date: 2021-09-17
FOURTH MILITARY MEDICAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] If the polished surface is made by tissue indicator, and the guide plate is made to replicate the polished surface, the whole process is done by hand, which is time-consuming, laborious and has poor accuracy
[0005] If the self-curing resin is placed on the polished surf...

Method used

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  • Method for manufacturing complete denture with personalized polished surface by using old denture
  • Method for manufacturing complete denture with personalized polished surface by using old denture
  • Method for manufacturing complete denture with personalized polished surface by using old denture

Examples

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Embodiment 1

[0035] Such as Figure 1-9 As shown, the present embodiment provides a method for utilizing old dentures to make complete dentures with personalized polished surfaces, including the following specific steps:

[0036] Prepare the old maxillary denture and old mandibular denture provided by the patient. The occlusion of the old maxillary denture and the old mandibular denture are relatively stable and the jaw position is correct, and the extension of the denture edge is basically in place; figure 1 and figure 2 As shown, among them, figure 1 The reference sign 1 in the figure refers to the polished surface form of the old maxillary denture, and the reference sign 2 refers to the dentition of the old maxillary denture. It can be seen that the polished surface form is artificially made, not a personalized form. The dentition Mild abrasion; where, figure 2 Reference numeral 3 in the figure refers to the polished surface of the old mandibular denture, reference numeral 4 refers...

Embodiment 2

[0046] This embodiment is a further improvement made on the basis of Embodiment 1. The specific differences between this embodiment and Embodiment 1 are:

[0047] What needs to be further clarified in this example is that before making the final impression, if the old maxillary denture and old mandibular denture have short edges, edge shaping is performed to extend the too short edge, such as the lingual flange in this example To avoid the lingual flange area of ​​the old mandibular denture being too short, thus destroying the retention effect of the patient's new complete denture.

[0048] The present invention is aimed at patients with poor alveolar ridge conditions and who have already made complete dentures through traditional methods. The ideal restoration effect may not be achieved, and the retention and stability may not meet the needs of patients. For this special situation, it can be By making the patient's personalized polished surface to increase the clamping force ...

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Abstract

The invention discloses a method for manufacturing a complete denture with a personalized polished surface by using an old denture. The method comprises the following specific steps of: preparing an old maxillary denture and an old mandibular denture of a patient; taking the old maxillary denture as an individual tray, and performing final impression preparation and polished surface shaping; taking the old mandibular denture as an individual tray, performing final impression preparation, and performing polished surface shaping at the same time; scanning the maxillary final impression and the mandibular final impression with the personalized polished surface to obtain an STL file; separating dentition from the STL file; cutting the separated upper dentition and lower dentition by using a resin block by using a CAD/CAM method; and resetting the cut dentition into an embedded female die cavity, and performing glue filling injection molding to finish manufacturing of the complete denture. The method disclosed by the invention is accurate and simple in manufacturing, the defect that the personalized polished surface is not fully formed due to direct forming of self-setting resin is overcome, the time of adjusting occlusion during tooth wearing is reduced, and the patient can rapidly adapt to a new complete denture.

Description

technical field [0001] The invention belongs to the technical field of denture production, and in particular relates to a method for producing a complete denture with a personalized polished surface by utilizing old dentures. Background technique [0002] Dentures made for people with missing teeth are called complete dentures. The stability of complete dentures is affected by the peripheral neuromuscular system in the oral cavity. Oral functions, such as pronunciation, chewing, swallowing, smiling, and laughing, are complex and individualized processes involving the muscles of the tongue, lips, cheeks, and floor of the mouth. For patients wearing complete dentures, neuromuscular control is the key to the stability of the denture. Fish first proposed the concept of the neutral zone of complete dentures in 1993, which was defined as the potential gap around the denture between the lips, cheeks, and tongue muscles. In theory, in the neutral zone, the strength of the cheek mu...

Claims

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Application Information

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IPC IPC(8): A61C13/08A61C13/087A61C9/00G06T17/00
CPCA61C13/08A61C13/087A61C13/0006A61C9/0006G06T17/00
Inventor 张燕李恺张玉梅宋文艾林
Owner FOURTH MILITARY MEDICAL UNIVERSITY
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