不同植入部位密度下直径和长度对初次稳定性的影响聚氨酯嵌段的体外研究。

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

Clinical Implant Dentistry and Related Research Pub Date : 2023-11-05 DOI:10.1111/cid.13290

Johan Gottlow DDS, Lars Sennerby DDS, PhD

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引用次数: 0

摘要

背景：在不同骨密度下，种植体长度和直径对初级稳定性的影响尚不清楚。目的：在体外研究不同种植体密度下，长度和直径对种植体共振频率分析（RFA）、插入扭矩（IT）和位移（DP）测量的影响。材料和方法：四种不同直径的牙科植入物（PXS 3.5、4.0、4.5和5.0 mm）和三种不同长度（7、11和15 mm）（Neoss Ltd，Harrogate，UK）放置在三种不同密度的聚氨酯块（Sawbones Europe AB，Malmö，Sweden）中。通过RFA（ISQ）（Osstell，Osstell AB，Gothenburg，Sweden）和插入扭矩测量（ITmax，N 厘米）（iChiropo™, Bien Air Dental SA，瑞士比恩）。此外，这些块安装在钻机中，横向力为25 N cm施加到植入物上，并用放置在负载传感器相对侧的测微计测量DP（单位：μm）。采用线性和二次模型进行统计分析。结果：植入物长度、直径和块密度是RFA、ITmax和DP测量的重要独立预测因素。植入物的长度有很强的影响，而直径的影响通常很微妙，尤其是在最柔软的区块。结论：在整个测试植入物长度上密度均匀的聚氨酯块中，植入物长度对初始稳定性的影响大于植入物直径。

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Influence of diameter and length on primary stability in various implant site densities—An in vitro study in polyurethane blocks

Background

The influence of dental implant length and diameter on primary stability in various bone densities is not well understood.

Aim

To in vitro study the effect of length and diameter on resonance frequency analysis (RFA), insertion torque (IT) and displacement (DP) measurements of dental implants in different implant site densities.

Materials and methods

Dental implants of four different diameters (Ø 3.5, 4.0, 4.5 and 5.0 mm) and three different lengths (7, 11 and 15 mm) (Neoss Ltd, Harrogate, UK) were placed in polyurethane blocks of three different densities (Sawbones Europe AB, Malmö, Sweden). The primary stability was assessed by RFA (ISQ) (Osstell, Osstell AB, Gothenburg, Sweden) and insertion torque measurements (IT_max in N cm) (iChiropo™, Bien-Air Dental SA, Bienne, Switzerland). In addition, the blocks were mounted in a rig and a lateral force of 25 N cm was applied to the implants and the DP was measured in μm with a micrometer gauge placed on the opposite side of the load transducer. Statistical analyses using linear and quadratic models were applied.

Results

Implant length, diameter and block density were found to be significant independent predictors of RFA, IT_max, and DP measurements. Implant length had a strong effect, while the effect of diameter in general was subtle, particularly in the softest block.

Conclusions

Implant length affects primary stability more than implant diameter in polyurethane blocks of uniform density along the whole length of the tested implants.

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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.