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Kim, Lim, and Chung: Comparative Study on the Teeth Mobility between Modified Widman Flap and Undisplaced Flap
Original Article

The Journal of the Korean Academy of Periodontology 1997; 27(1): 179-189.

Published online: 25 August 2014

DOI: https://doi.org/10.5051/jkape.1997.27.1.179

Comparative Study on the Teeth Mobility between Modified Widman Flap and Undisplaced Flap

Sun-Kyung Kim, Sung-Bin Lim, Chin-Hyung Chung

Department of Periodontology School of Dentistry Dankook University, Korea.

Copyright © 1997 Korean Academy of Periodontology

Abstract

Teeth mobility is an important part of a periodontal examination, because it represents a function of the persisting height of the alveolar bone and the width of the periodontal ligament. The purpose of this study was to evaluate clinical difference in teeth mobility after treatment with the modified Widman flap and the undisplaced flap in humans. Twenty males with moderate periodontal disease were selected. The severity of periodontal disease was evaluated with sulcular bleeding index, pocket depth and attachment level and tooth mobility was measured with Periotest(Siemens Co., Germany) at the initial examination, 1, 2, 4, 6, 8 and 12 weeks following the modified Widman flap and the undisplaced flap operation using the split-mouth technique. The relation of mobility to clinical parameters was statistically analyzed by multiple regression and the change of teeth mobility according to healing process by independent t-test using SPSS program.
The results were as follows:
1. There was a strong relationship between the Periotest value(PTV) and attachment level.
2. The change of teeth mobility in both flap procedures was increased significantly at 1 week post-op. and was decreased to preoperative level at 4 weeks post-op. in modified Widman flap and at 6 weeks post-op. in undisplaced flap.
3. The change of teeth mobility in premolar teeth group in undisplaced flap compared to modified Widman flap was generally increased but these changes were not statistically significant. The changes of teeth mobility in molar teeth group in undisplaced flap was increased significantly at 2 weeks post-op.
4. The change of teeth mobility following undisplaced flap was increased significantly compared to that of modified Widman flap at 2 weeks post-op.

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