Effect of Le Fort I osteotomy on maxillary tooth-type-related pulpal blood-flow characteristics

被引：16
|
作者：
Emshoff, R [1 ]
Kranewitter, R [1 ]
Norer, B [1 ]
机构：
[1] Univ Innsbruck, Dept Oral & Maxillofacial Surg, A-6020 Innsbruck, Austria
来源：
ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY AND ENDODONTOLOGY | 2000年 / 89卷 / 01期
关键词：
D O I：
10.1016/S1079-2104(00)80021-9
中图分类号：
R78 [口腔科学];
学科分类号：
1003 ;
摘要：
Objective. Laser Doppler flowmetry is a noninvasive method of assessing pulpal blood-flow (PBF) to document pulpal vitality. Maxillary osteotomies have been associated with segment-related decreases in local PBF. The aim of this study was to assess the effect of a Le Fort I osteotomy on tooth-type-related PBF values. Patients and Methods. Maxillary incisors, canines, and premolars were investigated bilaterally by laser Doppler flowmetry in 14 volunteers to assess local PBF values before and after surgery. Perfusion units were taken in 3 sessions: on the day before surgery (time since osteotomy [TSO] 0) and at 4 days (TSO I) and 56 days (TSO II) after osteotomy. Results. Analysis of TSO-related PBF measurements revealed a significant difference between TSO 0 and TSO II for the first premolar and between TSO 0 and TSO I and II for the overall tooth-type-related values. Conclusions. The main findings of this study indicated Le Fort I osteotomy to be associated with a short-term and long-term decrease in maxillary PBF values.
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页码：88 / 90
页数：3
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