Antonio Rapani, Leonardo Tonegato, Paolo Savadori, Rebecca Martini, Riccardo Pasquali, Matteo Zotti, Vanessa Nicolin, Federico Berton, Claudio Stacchi
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Patients were divided into two groups: the test (15 patients), which underwent a ridge preservation procedure combining absorbable collagen sponge in the middle and apical third of the socket and collagenated xenogeneic bone substitute in the most coronal part (BARP), and the control (15 patients), which healed spontaneously. Soft tissue contour changes after 6 months were analyzed using digital impressions. Moreover, histomorphometric analysis of the regenerated tissue was performed in the test group.</p>\n </section>\n \n <section>\n \n <h3> Results</h3>\n \n <p>BARP significantly reduced post-extractive mucosal ridge modifications compared to the control group. Mean vertical shrinkage at the mid-buccal part of the edentulous site was 1.61 ± 0.61 mm (BARP) vs. 2.51 ± 0.64 mm (control; <i>t</i>-test, df = 28, <i>p</i> < 0.001), and mean horizontal reduction was 3.37 ± 0.63 mm (BARP) vs. 4.34 ± 0.48 mm (control; <i>t</i>-test, df = 28, <i>p</i> < 0.001). 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引用次数: 0
摘要
本研究旨在评估生物定向牙槽嵴保存(BARP)在最大限度减少拔牙后牙槽嵴改变方面的疗效,并与无辅助的牙槽嵴愈合进行比较。方法对30例需要单根上颌前磨牙拔牙的患者进行前瞻性对照观察研究。患者被分为两组:实验组(15例)和对照组(15例),实验组采用牙槽骨中部和根尖三分之一处的可吸收胶原海绵和最冠状部分的胶原异种骨替代物(BARP)相结合的牙槽嵴保存术;对照组(15例)自行愈合。6个月后用数字印模分析软组织轮廓变化。实验组对再生组织进行组织形态学分析。结果与对照组相比,BARP显著减少了拔牙后粘膜脊的改变。无牙区中颊部平均垂直收缩为1.61±0.61 mm (BARP) vs. 2.51±0.64 mm(对照组;t检验,df = 28, p < 0.001),平均水平降低为3.37±0.63 mm (BARP) vs. 4.34±0.48 mm(对照组;t检验,df = 28, p < 0.001)。再生组织的组织形态学分析显示:新生骨39.7%±9.1%,移植材料残留极小(5.0%±5.4%)。结论BARP技术有效地减少了拔牙后软组织轮廓的改变,支持骨的自然再生,为种植体修复提供了足够的骨尺寸。
Clinical and Histologic Outcomes of Biologically Oriented Alveolar Ridge Preservation: A Prospective Observational Study
Introduction
This study aimed to evaluate the efficacy of Biologically oriented Alveolar Ridge Preservation (BARP) in minimizing post-extraction ridge modifications compared with unassisted socket healing.
Methods
A prospective controlled observational study was conducted involving 30 patients requiring single-rooted upper premolar extractions. Patients were divided into two groups: the test (15 patients), which underwent a ridge preservation procedure combining absorbable collagen sponge in the middle and apical third of the socket and collagenated xenogeneic bone substitute in the most coronal part (BARP), and the control (15 patients), which healed spontaneously. Soft tissue contour changes after 6 months were analyzed using digital impressions. Moreover, histomorphometric analysis of the regenerated tissue was performed in the test group.
Results
BARP significantly reduced post-extractive mucosal ridge modifications compared to the control group. Mean vertical shrinkage at the mid-buccal part of the edentulous site was 1.61 ± 0.61 mm (BARP) vs. 2.51 ± 0.64 mm (control; t-test, df = 28, p < 0.001), and mean horizontal reduction was 3.37 ± 0.63 mm (BARP) vs. 4.34 ± 0.48 mm (control; t-test, df = 28, p < 0.001). Histomorphometric analysis of the regenerated tissue showed 39.7% ± 9.1% newly formed bone with minimal residual graft material (5.0% ± 5.4%).
Conclusion
BARP technique effectively minimizes post-extractive soft tissue contour modifications and supports natural bone regeneration, resulting in adequate bone dimensions for implant rehabilitation.
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.