Horizontal alteration of anterior alveolar ridge after immediate implant placement: A retrospective cone beam computed tomography analysis.

IF 2.7 3区医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE

Journal of Advanced Prosthodontics Pub Date : 2021-04-01 Epub Date: 2021-04-27 DOI:10.4047/jap.2021.13.2.117

Young Keun Hyun, Chung Yun Lee, Subramanian Keerthana, Selvaponpriya Ramasamy, So-Yeon Song, Ji Suk Shim, Jae Jun Ryu

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引用次数: 2

Abstract

Purpose: The aim of this study was to evaluate the labio-lingual alterations of the alveolar bone where the implant was placed immediately after tooth extraction.

Materials and methods: Implants were placed immediately after tooth extraction on anterior alveolar ridges in the maxilla and mandible. The pin-guide system was used to help determine the location and path of implants during the surgical process. The horizontal distance from implants to the outer border of alveolar bone was measured at the rim and middle of the implants in the cone beam computed tomography images. The alteration of alveolar bone was evaluated comparing the horizontal distances measured immediately after surgery and 3 months after surgery.

Results: The results show that more resorption occurred towards the labial bone than the lingual bone in the maxilla. A similar amount of labial and lingual bone resorption was observed in the mandible.

Conclusion: Considering the horizontal alteration of alveolar bone, labio-lingual positioning of the implant towards the lingual bone in the maxilla and at the center of the alveolar ridge in the mandible is recommended when it is placed immediately after tooth extraction.

Abstract Image

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即刻种植后前牙槽嵴水平改变:回顾性锥束计算机断层分析。

目的:本研究的目的是评估在拔牙后立即放置种植体的牙槽骨的唇舌改变。材料和方法:种植体在拔牙后立即放置于上、下颌骨前牙槽嵴上。在手术过程中，针导系统用于帮助确定植入物的位置和路径。在锥形束ct图像中测量种植体边缘和中间距离种植体到牙槽骨外缘的水平距离。比较术后即刻和术后3个月测量的水平距离来评估牙槽骨的改变。结果:上颌唇骨骨吸收明显高于舌骨骨吸收。在下颌骨观察到相似数量的唇和舌骨吸收。结论:考虑到牙槽骨的水平改变，拔除牙后立即放置种植体时，推荐将种植体置于上颌骨舌骨和下颌骨牙槽嵴中心位置。

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

Journal of Advanced Prosthodontics DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

4.70

自引率

3.80%

发文量

期刊介绍： This journal aims to convey scientific and clinical progress in the field of prosthodontics and its related areas to many dental communities concerned with esthetic and functional restorations, occlusion, implants, prostheses, and biomaterials related to prosthodontics. This journal publishes • Original research data of high scientific merit in the field of diagnosis, function, esthetics and stomatognathic physiology related to prosthodontic rehabilitation, physiology and mechanics of occlusion, mechanical and biologic aspects of prosthodontic materials including dental implants. • Review articles by experts on controversies and new developments in prosthodontics. • Case reports if they provide or document new fundamental knowledge.