萎缩性下颌骨延迟扩张（DEAM）：一例报告。
Delayed expansion of atrophic mandible (deam): a case report.
作者信息
Scarano A, Murmura G, Vantaggiato G, Lauritano D, Silvestre-Rangil J, DI Cerbo A, Lorusso F
机构信息
Department of Medical, Oral and Biotechnological Sciences and CeSi-Met, University of Chieti-Pescara, Italy.
Private Practice, Lecce, Italy.
出版信息
Oral Implantol (Rome). 2017 Sep 27;10(2):190-196. doi: 10.11138/orl/2017.10.2.190. eCollection 2017 Apr-Jun.
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.
摘要
目的
本病例报告展示了在单颗牙缺失情况下，通过超声手术延迟扩张下颌骨的临床结果。
材料与方法
对下颌后牙区冠状面残余牙槽嵴厚度在2.3至4.1毫米之间的患者进行治疗。第一阶段，使用超声手术装置进行四次线性皮质切开术；未进行骨扩张。4周后，在第二阶段，通过使用手术刀、薄凿子和螺纹骨凿相结合的方法，在不影响皮质血管化的情况下实现了充分的骨扩张，并在使用皮质牛生物材料填充间隙后植入一枚种植体。
结果
术后过程顺利，最终牙槽嵴宽度为6.17±0.26毫米。
结论
本病例报告表明，通过超声手术采用延迟劈开牙槽嵴技术并结合生物材料进行下颌牙槽嵴扩张，在临床上可实现良好的水平骨增量，颊侧骨板无骨折且种植成功率高。
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