3D printing resin periodontal splint template to quickly complete the shaping method and application of photosensitive composite materials
A composite material and 3D printing technology, applied in dental splints, dentistry, filling teeth, etc., can solve problems such as compressing gums
Active Publication Date: 2020-08-14
XI AN JIAOTONG UNIV
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Problems solved by technology
[0005] In order to overcome the deficiencies of the above-mentioned prior art, the purpose of the present invention is to provide a template for 3D printing resin periodontal splints to quickly complete the shaping method and application of photosensitive composite materials, so as to solve the problem of resin shaping in the process of clinical loosening and fixing teeth. Copy the shape of the tooth surface, uniform thickness, smooth surface, one-time molding, fast speed, and avoid the characteristics of resin oppression on the gums and outward expansion space
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[0049] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0050] ① 3D printed lingual periodontal splint template assisted 33-43 loose tooth fixation as an example (unilateral guide plate on the lingual side of the mandible):
[0051] 1) Clinical case collection: reexamination 1 week after supragingival cleaning and subgingival curettage, after gingival inflammation was eliminated, the teeth were still loose to degree I~II (31, 32 teeth were loose to degree II, 41 and 42 teeth were loose to degree I) . A, labial view; B, lingual view; C, CBCT showed that the alveolar bone of teeth 33-43 resorbed to the middle 1 / 2 to apical 1 / 3 of the root (the red arrow shows the enamel cementum junction to the alveolar crest top distance). (Such as figure 1 shown)
[0052] 2) Software design: A, Mimics Research 19.0 software to process CBCT data of patients; B, extraction of mandibular bone information; C, interception of mandi...
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The invention relates to a plastifying method for a photosensitive composite material quickly by a template of a 3D printed resin periodontal splint and an application thereof. The method comprises the following steps: importing CBCT data of a patient in a dcm format to Mimics Research 19.0 software, intercepting a tooth position needed to design according to a clinical demand, and copying the shapes of a lip cheek and a tongue palate side tooth face, wherein the gap demand of the splint template and the tongue palate side tooth face is as follows: the width is 0.6 mm, and copying the shapes of a lip cheek and a tongue palate side tooth face; the splint template design demand is as follows: designing a root area and a far middle face sealing area, and designing an adjacent tooth auxiliaryretention position; storing the final design in a format of st1 and inputting the design to a 3D printer to be printed. The method has the characteristics of copying the tooth face shape fully and being uniform in thickness, smooth in surface, primary to form and high in speed, and preventing resin from compressing gum and abducted gap.
Description
technical field [0001] The invention relates to the technical field of three-dimensional (Three Dimensional, 3D) printing resin periodontal splints, in particular to a method and application for quickly completing the shaping of photosensitive composite materials using templates for 3D printing resin periodontal splints. Background technique [0002] Periodontitis is one of the most common human diseases. When the periodontal tissue is damaged and pathological changes occur, the teeth become loose and shifted, and the patient feels unable to chew. Unable to perform functions and pull out, seriously affecting the quality of life of patients. [0003] When the alveolar bone absorption of the affected tooth is greater than or equal to 1 / 2 of the root length, the tooth will often become loose due to the imbalance of the crown-root ratio. In clinical periodontal basic treatment, the loose tooth is fixed with a periodontal splint. Connected together and fixed on the healthy adjac...
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IPC IPC(8): A61C5/00B33Y10/00B33Y50/00B33Y70/00B33Y80/00
CPCA61C5/007B33Y10/00B33Y50/00B33Y70/00B33Y80/00
Inventor 朱春晖李昂虎小毅裴丹丹孙俊毅司薇杭苟建重
Owner XI AN JIAOTONG UNIV