Delayed expansion of atrophic mandible (deam): a case report.

ORAL and Implantology Pub Date : 2017-09-27 eCollection Date: 2017-04-01 DOI:10.11138/orl/2017.10.2.190

A Scarano, G Murmura, G Vantaggiato, D Lauritano, J Silvestre-Rangil, A DI Cerbo, F Lorusso

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引用次数: 18

Abstract

Purpose: The present case report presents the clinical results of delayed expansion of mandibles by ultrasonic surgery in case of mono edentulous.

Materials and methods: The patients with a residual alveolar ridge thickness between 2,3 and 4,1 mm in the coronal area of posterior mandible was threated. In the first stage, four linear corticotomies were carried out by ultrasonic surgical device; bone expansion was not performed. After 4 weeks, in the second stage, adequate bone expansion, without compromising cortical vascularisation, by utilising a combination of scalpel, thin chisels and threaded osteotomes was achieved and one implant was placement, after filling the gaps with a cortico bovine biomaterial.

Results: The postoperative course was uneventful and final width ridge was 6,17±0,26mm.

Conclusions: The present case report showed that mandibular ridge expansion using a delayed split-crest technique by means of ultrasonic surgery and association with biomaterial clinically lead to a good horizontal bone gain with no fractures of the buccal plate and high implant success rate.

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萎缩性下颌骨延迟扩张1例。

目的:报告单牙无牙患者采用超声手术治疗下颌延迟扩张的临床效果。材料与方法:对后下颌冠状区残留牙槽嵴厚度在2,3 ~ 4,1 mm的患者进行威胁修复。第一阶段采用超声手术装置行4例线性皮质切开术;未进行骨扩张。4周后，在第二阶段，通过结合使用手术刀、薄凿和螺纹切骨器，在不影响皮质血管化的情况下实现充分的骨扩张，并在用皮质牛生物材料填充间隙后放置一个植入物。结果:术后过程平稳，最终脊宽为6.17±0.26 mm。结论:本病例报告显示，应用延迟裂嵴技术进行下颌嵴扩张，并结合临床生物材料，可获得良好的水平骨长势，无颊板骨折，种植成功率高。

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ORAL and Implantology Dentistry-Dentistry (all)

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