在没有移植物材料的情况下进行侧窦提升的情况下,通过牙科植入物插入和膜缝合稳定窦膜对窦内骨增益的影响。

Ilgin Ari, Çigdem Karaca, Nuray Er, Mert Ocak
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引用次数: 0

摘要

目的:本研究的目的是研究通过缝合窦膜和植入牙来稳定膜对侧窦提升术中窦内骨形成的影响。材料与方法:对30只新西兰大白鼠双侧上颌窦侧入路上颌窦提升术。上颌窦区域被分为对照组和试验组。对照组在窦膜抬高后放置钛螺钉,而试验组将窦膜缝合在侧壁上,并在牙槽嵴中心放置钛螺钉。在第4周和第8周处死动物。采集样本,并进行显微计算机断层扫描(micro-CT)分析。使用显微CT分析测量植入物的新形成骨体积、骨整合百分比、窦体积、残余骨高度和突出长度。结果:4周时,试验组的窦体积、新生骨体积和骨整合率均显著高于对照组(分别为p=0.01、p=0.04、p=0.02),而对照组的新生骨体积为17.1±3.08mm3,试验组在4周时为26.9±14.26mm3。新形成骨的体积在8周时从26.9±14.26 mm3显著减少到17±3.66 mm3(p=0.02)。在4周和8周时,残余骨高度没有发现显著差异(p=0.07)。对照组和试验组之间的植入物突出长度没有发现显着差异(p=0.018)。窦内的突出长度和新骨形成显示为阴性结论:将窦膜缝合在窦侧壁是短期内增加骨整合、骨体积和窦体积的有效方法。缓慢吸收的缝合材料可用于长期维持窦和骨的体积。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effects of Sinus Membrane Stabilization by Dental Implant Placement and Membrane Suturing on Endo-Sinus Bone Gain in Cases of Lateral Sinus Elevation Performed Without Graft Material.

Purpose: To investigate the effects of sinus membrane stabilization (via suturing) and dental implant placement on the endo-sinus bone formation in lateral sinus elevations performed without grafting.

Materials and methods: Maxillary sinus elevation surgery using the lateral approach was performed bilaterally on 30 New Zealand white rabbits. The maxillary sinus areas were divided into control and test groups. In the control group, a titanium screw was placed after sinus membrane elevation; in the test group, the sinus membrane was sutured to the lateral walls, and a titanium screw was placed in the center of the alveolar crest. The subjects were sacrificed at 4 and 8 weeks. Then samples were collected, and a microcomputed tomography (micro-CT) analysis was performed. In addition, the volume of newly formed bone, percentage of osseointegration, sinus volume, residual bone height, and implant protrusion length were measured using micro-CT analysis.

Results: The sinus volume, volume of newly formed bone, and percentage of osseointegration in the test group were significantly higher than in the control group at 4 weeks (P = .01, P = .04, P = .02, respectively). While the volume of newly formed bone was 17.1 ± 3.08 mm3 in the control group, it was 26.9 ± 14.26 mm3 in the test group at 4 weeks. The volume of newly formed bone significantly decreased from 26.9 ± 14.26 mm3 to 17 ± 3.66 mm3 at 8 weeks (P = .02). No significant difference in residual bone height was found at 4 and 8 weeks (P = .07). No significant difference in implant protrusion length was found between the control and test groups (P = .18). Protrusion length and new bone formation in the sinus showed a negative relationship (P = .01).

Conclusions: Suturing the sinus membrane to the lateral sinus wall is an effective approach for increasing osseointegration, bone volume, and sinus volume in the short term. A slow-absorbing suture material can be used to maintain sinus and bone volumes in the long term.

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