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KMID : 0602720070110030004
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Implantology
2007 Volume.11 No. 3 p.4 ~ p.21
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Alveolar Ridge Splitting Procedure and Implant Placement
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Ahn Ji-Yeon
Kim Young-Kyun
Yun Pil-Young
Hwang Jung-Won
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Abstract
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When basal bone quantity is adequate for initial stability of implants and there is not vertical bone loss, we can consider ridge splitting instead of horizontal augmentation or guided bone regeneration(GBR) with autogenous bone. It has several advantages, for example, simultaneous installation, little post-surgical trauma, more esthetic results. The purpose of this study is to discuss clinical usefulness of ridge splitting procedure by observation and analysis of course of 26 implants installed to 16 patients by ridge splitting in Seoul National University Bundang Hospital from October, 2003 to February, 2006. The mean age of patients is 49.4, from 21 to 73, and the number of men and women is each 9 and 7. Alveolar crestal splitting was operated with No. 15 blade and Oschenbein chisel under local anesthesia or monitored anesthesia care(MAC), and implants were installed simultaneously in most cases. The diameters of implants are from 3.3 to 5mm, the lengths are from 10 to 15mm. The operator applied autogenous bone or artificial grafting materials to peripheral gap, and optionally covered with membrane. The mean periods of observation after operation and final prosthetics are 18.0 and 8.1 months. In results, all cases survived, the survival rate was 100%. Average 0.9mm crestal resorption was observed at final point of time by periapical view of each patients, and complications related to the procedure were cortical fracture, ecchymosis, etc.
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KEYWORD
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ridge splitting procedure, implant
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