在美学区域单颗种植体植入1年后，牙槽嵴保留或不保留牙槽嵴，牙槽嵴的变化：一项随机对照试验的放射学和轮廓测量结果的二次分析。

IF 3.7 2区医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE

Clinical Implant Dentistry and Related Research Pub Date : 2023-12-17 DOI:10.1111/cid.13297

Franz Josef Strauss, Shunsuke Fukuba, Nadja Naenni, Ronald Jung, Brend Jonker, Eppo Wolvius, Justin Pijpe

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引用次数: 0

摘要

目的评估早期种植体植入1年后有无牙槽嵴保存（ARP）（使用两种不同的ARP技术）的放射学和轮廓测量结果：75名上颌前牙单颗牙失败的患者被随机分配到三组（1:1:1）：(a) 使用含有10%胶原蛋白的去矿化牛骨矿物质（DBBM-C）并由胶原基质（CM）覆盖的ARP，(b) 使用腭植骨（PG）覆盖DBBM-C的ARP，(c) 无辅助牙槽嵴愈合（对照组）。拔牙八周后，所有患者都进行了早期种植。拔牙 8 周后（ARP/无辅助愈合），在种植体植入前和植入后 1 年进行锥形束计算机断层扫描（CBCT）和取模。结果：在装载后 1 年可复查的 70 名患者中，有 55 个数据集可进行评估（ARP-CM 19 个；ARP-PG 17 个；对照组 19 个）。种植体植入时需要额外引导骨再生（GBR）的比例分别为 31.6%（ARP-CM）、29.4%（ARP-PG）和 68.4%（非辅助愈合）。调整后的模型显示，颊骨残余高度和种植体植入时的额外 GBR 显著影响了种植体植入 1 年后的牙槽骨变化幅度（p 结论：ARP-CM 和 ARP-PG 对种植体植入 1 年后的牙槽骨变化有显著影响：使用 ARP 早期植入种植体可以通过最大限度地减少影像学和轮廓测量的改变来减轻加载后 1 年的牙槽嵴变化。然而，无论是否进行 ARP，早期种植体植入同时进行 GBR 都能获得更好的影像学和轮廓测量结果。

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Alveolar ridge changes 1-year after early implant placement, with or without alveolar ridge preservation at single-implant sites in the aesthetic region: A secondary analysis of radiographic and profilometric outcomes from a randomized controlled trial

Objectives

To assess both the radiographic and profilometric outcomes of early implant placement with or without alveolar ridge preservation (ARP) (using two different ARP techniques) after 1 year of loading.

Materials and Methods

Seventy-five patients with a failing single tooth in the anterior maxilla were randomly allocated to three groups (1:1:1): (a) ARP using demineralized bovine bone mineral containing 10% collagen (DBBM-C) covered by a collagen matrix (CM), (b) ARP using DBBM-C covered with a palatal graft (PG), and (c) unassisted socket healing (control). Eight weeks after tooth extraction, early implant placement was performed in all patients. Cone-beam computed tomography (CBCT) and impressions were taken 8 weeks after tooth extraction (ARP/unassisted healing) prior to implant placement and 1-year post-loading. Radiographic and profilometric outcomes were evaluated.

Results

Out of the 70 patients available for re-examination at 1-year post-loading, 55 datasets could be assessed (ARP-CM 19; ARP-PG 17; Control 19). The need for additional guided bone regeneration (GBR) at implant placement amounted to 31.6% (ARP-CM), 29.4% (ARP-PG), and 68.4% (unassisted healing). Adjusted models revealed that residual buccal bone height and additional GBR at implant placement significantly influenced the magnitude of the alveolar changes at 1 year (p < 0.05). In patients with ARP (group ARP-CM or ARP-PG) without additional GBR, the presence of bone convexity amounted to 36.0% (9/25) at 1-year post-loading. For patients that received ARP and additional GBR at implant placement, the frequency of bone convexity increased to 72.7% (8/11) (p = 0.042). Regarding profilometric measurements, a tendency toward agreement with radiographic outcomes was observed.

Conclusions

Early implant placement with ARP can attenuate alveolar ridge changes at 1-year post loading by minimizing both radiographic and profilometric alterations. However, early implant placement with simultaneous GBR consistently yields superior radiographic and profilometric outcomes, regardless of whether ARP is performed.

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来源期刊

Clinical Implant Dentistry and Related Research 医学-牙科与口腔外科

CiteScore

6.00

自引率

13.90%

发文量

103

审稿时长

4-8 weeks

期刊介绍： The goal of Clinical Implant Dentistry and Related Research is to advance the scientific and technical aspects relating to dental implants and related scientific subjects. Dissemination of new and evolving information related to dental implants and the related science is the primary goal of our journal. The range of topics covered by the journals will include but be not limited to: New scientific developments relating to bone Implant surfaces and their relationship to the surrounding tissues Computer aided implant designs Computer aided prosthetic designs Immediate implant loading Immediate implant placement Materials relating to bone induction and conduction New surgical methods relating to implant placement New materials and methods relating to implant restorations Methods for determining implant stability A primary focus of the journal is publication of evidenced based articles evaluating to new dental implants, techniques and multicenter studies evaluating these treatments. In addition basic science research relating to wound healing and osseointegration will be an important focus for the journal.