患者參與的數字化設計在前牙美學修復中的應用
[Abstract]:Objective: to explore a digital design, prediction and fabrication method of anterior tooth aesthetic restoration, which can be participated by patients, and to provide a new idea for aesthetic restoration of anterior teeth. Methods: 32 patients who needed aesthetic restoration of anterior teeth were randomly divided into experimental group (n = 16) and control group (n = 16). In the experimental group, dentition and facial images were acquired and registered by intraoral scanning and 3D facial scanning. The restoration was designed in computer aided Design (computer-aided design,CAD) software, and the three-dimensional digital restoration effect was obtained. After adjusting the shape of the prosthesis according to the patient's opinion, the dental computer-aided fabrication (computer-aided manufacturing,CAM) equipment was used to make the anterior tooth prosthesis according to the designed prosthesis shape. The control group was repaired by routine method. The time of each unit of prosthesis was recorded when the two groups of patients were first worn. Doctors who were not involved in the experiment were asked to evaluate the quality of the prosthesis blindly, and the patients were asked to evaluate the overall appearance of the prosthesis and the whole facial appearance after the restoration. Results: the digital design and effect prediction process of aesthetic restoration of anterior teeth were successfully established, and the satisfactory anterior tooth prosthesis was made with digital technology. The acceptance rate of digital repair was 100 in the experimental group. The prostheses of the experimental group and the control group had no significant difference in shape accuracy edge tightness and surface smoothness after blind evaluation by doctors who did not participate in the experiment (P0.05). The patients in the experimental group had significantly higher satisfaction with the prosthesis and the overall facial appearance after the restoration than the control group (P0.05), and the adjusting time of each unit of the prosthesis in the experimental group was significantly shorter than that in the control group (P0.01). Conclusion: the digital design, prediction and fabrication of aesthetic restoration of anterior teeth involved by patients are feasible. This method can shorten the initial wear time of prosthesis and improve the satisfaction of patients with the effect of restoration.
【作者單位】: 北京大學口腔醫(yī)學院·口腔醫(yī)院修復科;口腔數字化醫(yī)療技術和材料國家工程實驗室;北京大學口腔醫(yī)學院·口腔醫(yī)院口腔醫(yī)學計算機應用中心 國家衛(wèi)生和計劃生育委員會口腔醫(yī)學計算機應用工程技術研究中心;
【基金】:國家高技術研究發(fā)展計劃(863計劃,2013AA040801) 新世紀優(yōu)秀人才支持計劃(NCET-11-0026) 北京大學口腔醫(yī)院新技術新療法項目資助~~
【分類號】:R783.3
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