Comparison of dimensional changes and ridge contour around ovate pontics inserted immediately after extraction with and without buccal bone plate with different grafting procedures.

IF 3.4 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE
Sung Ryul Kim, Seung Jun Song, Jared Urban, Wenchou Wu, Nurit Bittner, Dennis P Tarnow
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引用次数: 0

Abstract

Purpose: The aim of this prospective clinical cohort study is to evaluate how the use of ovate pontic alongside alveolar ridge preservation (ARP) contributes to soft tissue preservation when placed immediately post-extraction into a socket with or without intact buccal bone plate in the esthetic zone.

Materials and methods: Twenty-three patients with a non-restorable tooth in the maxillary esthetic zone bound by natural adjacent teeth were recruited for the study. At the time of extraction, patients were assigned to three groups, Group A (type I socket with ARP), B (type II socket with ARP), and C (type II socket with ARP and membrane). Following flapless extraction, an ovate pontic with ARP was placed. Impressions were taken before extraction, and at 3- and 6-month follow-up visits. Master casts were created to measure dimensional alterations. Descriptive statistical analysis compared changes in linear and volumetric measurements over the follow-up period.

Results: After 6 months, Group A showed mean dimensional changes of -1.28 ± 0.75 mm in width, -1.19 ± 0.61 mm in height, and -30.51 ± 17.55 mm3 in volume. Group B had changes of -1.07 ± 0.48 mm in width, -1.12 ± 0.51 mm in height, and -23.36 ± 7.74 mm3 in volume. Group C experienced changes of -1.43 ± 0.41 mm in width, -0.98 ± 0.32 mm in height, and -31.27 ± 9.59 mm3 in volume.

Conclusions: Utilization of an ovate pontic provisional restoration in conjunction with ARP minimizes post-extraction ridge alteration and maintains natural morphology, providing a stable prosthetic foundation for fixed restorations, regardless of bone plate presence.

不同植骨方式带与不带颊骨板即刻植入的卵形桥体拔牙后的尺寸变化及嵴轮廓的比较。
目的:这项前瞻性临床队列研究的目的是评估在拔牙后立即将卵形桥与牙槽嵴保存(ARP)放置在有或没有完整颊骨板的牙槽内时,如何有助于软组织保存。材料与方法:选取23例上颌美观区与天然邻牙结合的非修复牙为研究对象。拔牙时将患者分为三组,A组(带ARP的I型套管)、B组(带ARP的II型套管)和C组(带ARP和膜的II型套管)。在无瓣摘除后,放置一个带有ARP的卵形桥。在拔牙前和3个月和6个月随访时进行印模。主铸件是用来测量尺寸变化的。描述性统计分析比较了随访期间线性测量和体积测量的变化。结果:6个月后,A组的平均尺寸变化为宽度-1.28±0.75 mm,高度-1.19±0.61 mm,体积-30.51±17.55 mm3。B组宽度变化-1.07±0.48 mm,高度变化-1.12±0.51 mm,体积变化-23.36±7.74 mm3。C组宽度变化-1.43±0.41 mm,高度变化-0.98±0.32 mm,体积变化-31.27±9.59 mm3。结论:使用卵形桥临时修复结合ARP可以最大限度地减少拔牙后嵴的改变并保持自然形态,为固定修复提供稳定的假体基础,而不考虑骨板的存在。
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
CiteScore
7.90
自引率
15.00%
发文量
171
审稿时长
6-12 weeks
期刊介绍: The Journal of Prosthodontics promotes the advanced study and practice of prosthodontics, implant, esthetic, and reconstructive dentistry. It is the official journal of the American College of Prosthodontists, the American Dental Association-recognized voice of the Specialty of Prosthodontics. The journal publishes evidence-based original scientific articles presenting information that is relevant and useful to prosthodontists. Additionally, it publishes reports of innovative techniques, new instructional methodologies, and instructive clinical reports with an interdisciplinary flair. The journal is particularly focused on promoting the study and use of cutting-edge technology and positioning prosthodontists as the early-adopters of new technology in the dental community.
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