Primary stability and osseointegration comparing a novel tapered design tissue-level implant with a parallel design tissue-level implant. An experimental in vivo study

IF 4.8 1区医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE

Clinical Oral Implants Research Pub Date : 2024-05-31 DOI:10.1111/clr.14301

Thomas Gill, Sebastian Kühl, Simon Rawlinson, Benjamin Pippenger, Benjamin Bellon, Shakeel Shahdad

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引用次数: 0

Abstract

Objectives

The aim of the present study was to compare a novel tapered, double-threaded self-tapping tissue-Level design implant (TLC) to a well-established parallel walled tissue-level (TL) implant in terms of primary and secondary stability over time.

Materials and Methods

Test TLC (n = 10/per timepoint) and control TL (n = 10/per timepoint) implants were placed in the mandible of minipigs and left for submerged healing for 3, 6, and 12 weeks. Maximum insertion torque and implant stability quotient (ISQ) were measured for each implant at placement. Osseointegration and cortical bone maintenance were histologically evaluated by measuring total bone-to-implant contact (BIC) and first bone-to-implant contact (fBIC).

Results

A significantly higher maximum insertion torque was measured for the test implant TLC compared to the control TL implant (57.83 ± 24.73 Ncm and 22.62 ± 23.16 Ncm, respectively; p < .001). The mean ISQ values were comparable between the two implant types (75.00 ± 6.70 for TL compared to 75.40 ± 3.20 for TLC, p = .988). BIC was comparable between both implant types at each of the evaluated time points. The fBIC was found to be significantly more coronal at 12 weeks for the TLC implant compared to the TL implant (0.31 ± 0.83 mm for TLC compared to −0.22 ± 0.85 for TL, p = .027).

Conclusion

The novel tapered tissue level design implant showed improved primary stability and an overall improved crestal bone height maintenance compared to the parallel walled design at 12 weeks.

Abstract Image

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新型锥形设计组织级种植体与平行设计组织级种植体的初期稳定性和骨结合性比较。体内实验研究。

研究目的本研究的目的是比较新型锥形双螺旋自攻组织水平设计种植体（TLC）与成熟的平行壁组织水平种植体（TL）在初次和二次稳定性方面的差异：将试验TLC种植体（n = 10/每个时间点）和对照TL种植体（n = 10/每个时间点）植入小猪的下颌骨，分别放置3、6和12周进行浸没愈合。测量每个种植体植入时的最大插入扭矩和种植体稳定性商数（ISQ）。通过测量骨与种植体的总接触（BIC）和骨与种植体的首次接触（fBIC），对骨结合和皮质骨维护进行组织学评估：结果：与对照组 TL 种植体相比，测试种植体 TLC 的最大插入扭矩明显更高（分别为 57.83 ± 24.73 Ncm 和 22.62 ± 23.16 Ncm；p 结论：新型锥形组织水平设计种植体是一种新型的种植体：与平行壁设计的种植体相比，新型锥形组织水平设计的种植体在 12 周后显示出更高的初期稳定性和更佳的骨嵴高度维持性。

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来源期刊

Clinical Oral Implants Research 医学-工程：生物医学

CiteScore

7.70

自引率

11.60%

发文量

149

审稿时长

3 months

期刊介绍： Clinical Oral Implants Research conveys scientific progress in the field of implant dentistry and its related areas to clinicians, teachers and researchers concerned with the application of this information for the benefit of patients in need of oral implants. The journal addresses itself to clinicians, general practitioners, periodontists, oral and maxillofacial surgeons and prosthodontists, as well as to teachers, academicians and scholars involved in the education of professionals and in the scientific promotion of the field of implant dentistry.