聚氨酯泡沫片对自攻螺纹和圆顶端植入物插入扭矩、移除扭矩值和共振频率分析（RFA）的体外评估

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2020-11-25 DOI:10.1177/0262489320971796

M. Tumedei, A. Piattelli, A. Falco, F. de Angelis, F. Lorusso, M. Di Carmine, G. Iezzi

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引用次数: 8

摘要

牙种植体的初始稳定性和微运动缺失是牙种植体骨整合的关键因素。本体外研究的目的是模拟不同聚氨酯密度下的骨反应——自攻螺纹和圆形种植体几何形状的影响。按照校准的钻孔方案，在D1、D2、D3和D4聚氨酯块密度中总共放置了40个植入物。计算了插入、移除扭矩和共振频率分析（RFA）的平均值。所有实验条件显示插入扭矩值>30Ncm。在D1聚氨酯中存在显著更高的插入扭矩、移除和RFA。D3和D4也有类似的证据。本研究的有效性表明，使用自攻螺纹和圆形顶点植入物具有宝贵的临床优势，例如在上颌骨后部骨密度降低的情况下

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An in vitro evaluation on polyurethane foam sheets of the insertion torque, removal torque values, and resonance frequency analysis (RFA) of a self-tapping threads and round apex implant

The dental implant primary stability and micromovement absence represent critical factor for dental implant osseointegration. The aim of the present in vitro investigation was to simulate the bone response on different polyurethane densities the effect of self-tapping threads and round apex implant geometry. A total of 40 implants were positioned in D1, D2, D3 and D4 polyurethane block densities following a calibrated drilling protocol. The Insertion, removal Torque and resonance frequency analysis (RFA) means were calculated. All experimental conditions showed insertion torque values >30 Ncm. A significant higher insertion torque, removal and RFA was present in D1 polyurethane. Similar evidences were evidenced for D3 and D4. The effectiveness of the present study suggested a valuable clinical advantage for self-tapping threads and round apex implant using, such as in case of reduced bone density in the posterior maxilla

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.