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锥形和平行壁种植体稳定性变化的评估：一项人体临床试验。

Evaluation of stability changes in tapered and parallel wall implants: a human clinical trial.

作者信息

Rokn Ar, Ghahroudi Aar Rasouli, Mesgarzadeh A, Miremadi Aa, Yaghoobi S

机构信息

Associate Professor, Department of Periodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran.

出版信息

J Dent (Tehran). 2011 Fall;8(4):186-200. Epub 2011 Dec 20.

PMID:22509458
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3320754/
Abstract

OBJECTIVE

To determine the pattern of stability changes as a reflection of early healing around single-stage roughened-surface implants in humans utilizing resonance frequency analysis (RFA).

MATERIALS AND METHODS

Hundred twenty-five patients who demanded dental implants were treated with two different implant (Nobel Biocare Replace™ and Strumman™ ITI) systems. Bone type was classified into four groups. RFA was used for direct measurement of implant stability on the day of implant placement and consecutively at 14, 30 and 60 days after placement. The data were analyzed with Student t test and regression analysis.

RESULTS

Three-hundred four roughened surface implants placed in the maxilla and mandible were evaluated. In Replace™ implants the lowest mean stability measurement was at 30 days for all bone types and the stability did not change significantly in any of the bone types (p>0.05). ITI™ implants demonstrated the lowest stability at 60 days for type 1 and 30 days and baseline for type 2, 3 and 4 bones. In addition, there was significant differences in implant stability between bone types 1 and 4 (P<0.001), 2 and 3 (p<0.05), and bone types 3 and 4 (P=0.07) at all aforementioned times in ITI™ implants. In Replace™ implants, regarding the implant diameter, contrary to ITI implants, no significant stability changes were detected (p>0.05). No significant difference was observed regarding gender, age and lengths in both systems.

CONCLUSION

In comparison to ITI™ implants, Replace™ implants revealed no significant difference in the pattern of stability changes among different bone types.

摘要

目的

利用共振频率分析（RFA）确定单阶段粗糙表面种植体周围早期愈合情况所反映的稳定性变化模式。

材料与方法

125例需要种植牙的患者接受了两种不同种植体系统（诺贝尔生物科技Replace™和士卓曼™ITI）的治疗。骨类型分为四组。在种植体植入当天以及植入后14天、30天和60天连续使用RFA直接测量种植体稳定性。数据采用学生t检验和回归分析进行分析。

结果

对上颌和下颌植入的304颗粗糙表面种植体进行了评估。在Replace™种植体中，所有骨类型的最低平均稳定性测量值均在30天时出现，且任何骨类型的稳定性均无显著变化（p>0.05）。ITI™种植体在1型骨中60天时稳定性最低，在2、3和4型骨中30天时及基线时稳定性最低。此外，在上述所有时间点，ITI™种植体的1型和4型骨、2型和3型骨以及3型和4型骨之间的种植体稳定性存在显著差异（P<0.001、p<0.05、P=0.07）。在Replace™种植体中，与ITI种植体相反，就种植体直径而言，未检测到显著的稳定性变化（p>0.05）。在两个系统中，性别、年龄和长度方面均未观察到显著差异。

结论

与ITI™种植体相比，Replace™种植体在不同骨类型之间的稳定性变化模式上没有显著差异。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2d12/3320754/0027ebc79cf5/jod-8-186f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2d12/3320754/dc300b941db7/jod-8-186f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2d12/3320754/dfbed531bb22/jod-8-186f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2d12/3320754/2d65d7aa4afa/jod-8-186f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2d12/3320754/6d53bf3a19fe/jod-8-186f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2d12/3320754/e9148600b65d/jod-8-186f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2d12/3320754/a4f1b7104eb1/jod-8-186f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2d12/3320754/0027ebc79cf5/jod-8-186f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2d12/3320754/dc300b941db7/jod-8-186f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2d12/3320754/dfbed531bb22/jod-8-186f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2d12/3320754/2d65d7aa4afa/jod-8-186f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2d12/3320754/6d53bf3a19fe/jod-8-186f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2d12/3320754/e9148600b65d/jod-8-186f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2d12/3320754/a4f1b7104eb1/jod-8-186f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2d12/3320754/0027ebc79cf5/jod-8-186f7.jpg

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