同时引导骨再生后的早期再入手术会损害种植体周围组织的尺寸吗?

IF 6.8 1区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE
Sung Jin Yoo, Jin-Young Park, Young Woo Song, Ui-Won Jung, Daniel S. Thoma, Ronald E. Jung
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引用次数: 0

摘要

目的探讨同时引导骨再生(GBR)和种植体置入术后早期再入骨手术是否会对骨再生和骨整合的结果产生负面影响。材料与方法对6只杂种犬无牙下颌骨进行手术修复。骨水平种植体与GBR一起放置,然后进行浸没愈合。根据GBR术后2个月(早期组)和4个月(晚期组)的再入时间和基牙愈合连接时间随机分为两组。所有动物在GBR后5个月安乐死进行组织学分析。结果晚期组1例植入物因纤维蛋白嵌顿而失败。两组新生骨面积(1.98 mm2[四分位数间距,1.53-2.98]和0.88 mm2[0.09-1.79])差异无统计学意义;分别为早、晚组;p = 0.063);早期组与晚期组骨与种植体接触率分别为53.80%[40.88-63.10]和54.15% [45.21-66.02];p > 0.999);增强组织的宽度和高度(p < 0.05);种植体周围粘膜尺寸包括厚度、高度和体积(p < 0.05)。结论早期二期手术的骨再生、骨整合和粘膜尺寸与晚期基牙连接相似。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Does Early Re-Entry Surgery Following Simultaneous Guided Bone Regeneration Compromise the Dimension of Peri-Implant Tissues?

Does Early Re-Entry Surgery Following Simultaneous Guided Bone Regeneration Compromise the Dimension of Peri-Implant Tissues?

Aim

To investigate whether early re-entry surgery following simultaneous guided bone regeneration (GBR) and implant placement has a negative impact on the outcome of bone regeneration and osseointegration.

Materials and Methods

In the edentulous mandible of six mongrel dogs, buccal peri-implant dehiscence defects were surgically created. Bone-level implants were placed with GBR, followed by submerged healing. Two experimental groups were randomly assigned according to the timing of re-entry and healing abutment connection at 2 months (early group) and 4 months (late group) following GBR. All animals were euthanised 5 months after GBR for histological analysis.

Results

One implant in the late group failed as a result of fibrin incarceration. There was no statistically significant difference between the two groups regarding new bone area (1.98 mm2 [interquartile range, 1.53–2.98] and 0.88 mm2 [0.09–1.79]; early vs. late group, respectively; p = 0.063); bone-to-implant contact (53.80% [40.88–63.10] and 54.15% [45.21–66.02], early vs. late groups, respectively; p > 0.999); width and height of the augmented tissue (p > 0.05); and peri-implant mucosal dimensions including thickness, height and volume (p > 0.05).

Conclusion

Early second-stage surgery results in similar bone regeneration, osseointegration and mucosal dimensions as late abutment connection.

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来源期刊
Journal of Clinical Periodontology
Journal of Clinical Periodontology 医学-牙科与口腔外科
CiteScore
13.30
自引率
10.40%
发文量
175
审稿时长
3-8 weeks
期刊介绍: Journal of Clinical Periodontology was founded by the British, Dutch, French, German, Scandinavian, and Swiss Societies of Periodontology. The aim of the Journal of Clinical Periodontology is to provide the platform for exchange of scientific and clinical progress in the field of Periodontology and allied disciplines, and to do so at the highest possible level. The Journal also aims to facilitate the application of new scientific knowledge to the daily practice of the concerned disciplines and addresses both practicing clinicians and academics. The Journal is the official publication of the European Federation of Periodontology but wishes to retain its international scope. The Journal publishes original contributions of high scientific merit in the fields of periodontology and implant dentistry. Its scope encompasses the physiology and pathology of the periodontium, the tissue integration of dental implants, the biology and the modulation of periodontal and alveolar bone healing and regeneration, diagnosis, epidemiology, prevention and therapy of periodontal disease, the clinical aspects of tooth replacement with dental implants, and the comprehensive rehabilitation of the periodontal patient. Review articles by experts on new developments in basic and applied periodontal science and associated dental disciplines, advances in periodontal or implant techniques and procedures, and case reports which illustrate important new information are also welcome.
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