Digital workflow in the design of individualized emergence profiles of implant restorations based on the contralateral tooth

IF 4.3 3区材料科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

ACS Applied Electronic Materials Pub Date : 2024-01-03 DOI:10.2186/jpr.jpr_d_23_00127

Huimin Zeng, Mi Zhou, Yichen Ge, Yangxue Yao, Xiaoxiao Cai

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引用次数: 0

Abstract

Purpose: To describe a novel digital design technique for creating an individualized emergence profile for implant restoration based on the contralateral tooth.

Methods: Cone beam computed tomography (CBCT) data were used to accurately obtain a three-dimensional (3D) model of the contralateral tooth, which was mirror-flipped to design the emergence profile. The emergence profile was further divided into critical and subcritical areas; the critical area precisely replicated the mirror-flipped 3D model, whereas the subcritical area featured a slight concavity on the buccal side, flatness on the lingual side, and slight convexity on the mesial and distal surfaces. Subsequently, a milling machine was used to fabricate healing abutments with individualized emergence profiles. The design of the definitive restoration completely duplicated the emergence profile of the individualized healing abutment and was fabricated using a milling machine.

Conclusions: This technical procedure presents an alternative novel method for designing the emergence profiles of implant restorations, with the potential to improve esthetics and functions as well as to maintain the long-term stability of peri-implant soft and hard tissues.

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根据对侧牙齿设计种植修复体个性化萌出轮廓的数字化工作流程

目的：描述一种新颖的数字化设计技术，该技术可根据对侧牙齿的情况为种植修复制作个性化的出龈轮廓：方法：利用锥形束计算机断层扫描（CBCT）数据准确获取对侧牙齿的三维（3D）模型，并将其镜像翻转以设计萌出轮廓。萌出轮廓进一步分为临界区和亚临界区；临界区精确复制镜像翻转的三维模型，而亚临界区的特点是颊侧轻微凹陷，舌侧平坦，中面和远面轻微凸起。随后，使用铣床制作了具有个性化外形的愈合基台。最终修复体的设计完全复制了个性化愈合基台的萌出轮廓，并且是用铣床制作的：该技术为种植修复体的外形设计提供了另一种新方法，具有改善美观和功能以及保持种植体周围软组织和硬组织长期稳定性的潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

ACS Applied Electronic Materials Multiple-

CiteScore

7.20

自引率

4.30%

发文量

567