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A comparison of neurosensory alteration and recovery pattern among different types of orthognathic surgeries using the current perception threshold

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Authors
Park, Ji Woon; Choung, Pill-Hoon; Kho, Hong Seop; Kim, Young Ku; Chung, Jin Woo
Issue Date
2011-01
Publisher
Elsevier
Citation
Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2011;111:24-33
Abstract
Objective. The objective of this study was to compare postsurgical neurosensory alteration and recovery patterns among different nerve fiber types and orthognathic surgeries by measuring current perception thresholds (CPT). Study design. CPTs of 186 patients who underwent various orthognathic surgeries (Le Fort I or II, bilateral sagittal split [BSSRO] or intraoral vertico-sagittal [IVSRO] ramus osteotomy with or without genioplasty) were measured at 2000, 250, and 5 Hz, assessing 3 different nerve fiber types before surgery and at 3, 6, and 12 months after surgery. Results. CPTs were highest at 3 months postsurgery and gradually returned to presurgical levels until 12 months postsurgery in most cases. CPT at 2000 Hz showed the largest amount of increase. Le Fort I and IVSRO caused less neurosensory alteration compared with Le Fort II and BSSRO, respectively. Conclusion. Our data provide nerve recovery patterns following various orthognathic surgeries that may be applied to evaluating the patient's severity and recovery of nerve damage.
ISSN
1079-2104
Language
English
URI
https://hdl.handle.net/10371/74164
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College of Dentistry/School of Dentistry (치과대학/치의학대학원)Dept. of Dentistry (치의학과)Journal Papers (저널논문_치의학과)
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