Clinical efficacy of two vertical soft tissue augmentation techniques for peri-implant crestal bone level stability: A randomized clinical trial

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

Clinical Implant Dentistry and Related Research Pub Date : 2024-08-11 DOI:10.1111/cid.13365

Algirdas Puisys DDS, PhD, Egle Vindasiute-Narbute DDS, PhD, Dainius Razukevicius DDS, PhD, Samuel Akhondi DDS, German O. Gallucci DMD, PhD, Ignacio Pedrinaci DDS, MSc, PhD

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引用次数: 0

Abstract

Objectives

This study aimed to compare the efficacy of two techniques—acellular dermal matrix (ADM) grafting and tenting technique (TT)—for soft tissue height (STH) augmentation simultaneous to implant placement to minimize peri-implant crestal bone level (CBL) changes.

Methods

Forty patients with a healed single mandibular posterior edentulous site with a thin soft tissue phenotype were enrolled. Twenty patients received simultaneously to implant placement ADM grafting, while the others received submerged healing abutment (TT). Clinical peri-implant soft tissue height and radiographic CBL changes were measured at restoration delivery and 1-year follow-up.

Results

Both techniques effectively increased soft tissue thickness, resulting in a final average STH of 3.4 ± 0.5 mm after augmentation. On average, soft tissue increased by 1.6 ± 0.5 mm in group ADM and by 1.8 ± 0.4 mm in group TT after augmentation. In Group ADM, mesial CBL decreased from 0.4 ± 0.3 mm to 0.1 ± 0.2 mm, and distal CBL decreased from 0.5 ± 0.3 mm to 0.2 ± 0.3 mm over 1 year. In Group TT, mesial CBL remained stable at 0.3 ± 0.2 mm, while distal CBL reduced slightly from 0.5 ± 0.5 mm to 0.3 ± 0.2 mm. Both groups showed minimal changes in CBL, indicating great stability (p_mesial = 0.003, p_distal = 0.004). TT was particularly effective in preventing mesial bone loss (p_mesial = 0.019). The mesial CBL changes significantly differed between groups (p = 0.019), and not significantly at distal sites (p = 0.944). Neither treatment exhibited significant bone remodeling below the implant shoulder.

Conclusion

This study suggests that both techniques were successful in STH augmentation, and they may effectively reduce peri-implant crestal bone level changes, with TT being slightly superior. TT was more prone to post-surgical complications. This RCT was not registered before participant recruitment and randomization.

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两种垂直软组织增量技术对稳定种植体周围牙槽骨水平的临床疗效：随机临床试验。

研究目的本研究旨在比较两种技术--细胞外基质（ADM）移植和帐篷技术（TT）--在植入种植体的同时增加软组织高度（STH）以减少种植体周围骨嵴水平（CBL）变化的效果：方法：40 位下颌后方缺牙部位愈合且软组织表型较薄的患者入选。20名患者在种植体植入的同时接受了ADM移植，其他患者则接受了浸没式愈合基台（TT）。在修复体交付和 1 年随访时测量临床种植体周围软组织高度和 CBL 影像学变化：结果：两种技术都有效地增加了软组织厚度，增高后的最终平均STH为3.4 ± 0.5 mm。增量后，ADM 组软组织平均增加了 1.6 ± 0.5 毫米，TT 组平均增加了 1.8 ± 0.4 毫米。在 ADM 组中，CBL 中线在 1 年内从 0.4 ± 0.3 mm 下降到 0.1 ± 0.2 mm，CBL 远端从 0.5 ± 0.3 mm 下降到 0.2 ± 0.3 mm。在 TT 组中，中轴 CBL 保持稳定，为 0.3 ± 0.2 毫米，而远轴 CBL 略有下降，从 0.5 ± 0.5 毫米降至 0.3 ± 0.2 毫米。两组的 CBL 变化都很小，这表明其稳定性很好（pmesial = 0.003，pdistal = 0.004）。TT 在防止中轴骨质流失方面尤为有效（pmesial = 0.019）。各组间 CBL 的中线变化有明显差异（p = 0.019），远端则无明显差异（p = 0.944）。两种治疗方法都没有显示出种植体肩部以下有明显的骨重塑：本研究表明，这两种技术在 STH 增量中都是成功的，它们可以有效地减少种植体周围的骨水平变化，其中 TT 稍胜一筹。TT更容易出现术后并发症。该研究在参与者招募和随机分配前未进行注册。

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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.