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Soft tissue thickness for placement of an orthodontic miniscrew using an ultrasonic device.

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Authors
Baek, Seung-Hak; Cha, Bong-Kuen; Lee, Yeon-Hee; Lee, Nam-Ki; Choi, Dong-Soon
Issue Date
2008-05
Publisher
Angle Orthodontist / E.H Angle Education and Research Foundation
Citation
Angle Orthodontist 2008;78:403-408
Keywords
Soft-tissue thicknessOrthodontic miniscrewAttached gingivaPalatal masticatory mucosaUltrasonic device
Abstract
Objectives: To evaluate area- and gender-related differences in the soft tissue thickness of potential areas for installing miniscrews in the buccal-attached gingiva and the palatal masticatory mucosa.

Materials and Methods: The sample consisted of 61 Korean young adults. An ultrasonic gingival-thickness meter was used to measure the soft-tissue thickness in the buccal-attached gingiva just adjacent to the mucogingival junction of the upper and lower arches and 4 mm and 8 mm below the gingival crest in the palatal masticatory mucosa. Independent t-test, paired t-test, and one-way analysis of variance were used for statistical analysis.

Results: Buccal-attached gingiva thickness in the upper arch was significantly greater in men than in women, but buccal-attached gingiva thickness in the lower arch and palatal masticatory mucosa thickness 4 and 8 mm below the gingival crest did not show gender differences. Significantly thicker soft tissue occurred in the anterior areas in the upper arch and in the posterior areas in the lower arch. In the palatal masticatory mucosa, significantly thicker soft tissue was found 4 mm below the gingival crest in the anterior areas and 8 mm below the gingival crest in the posterior areas. The areas between the canines and the premolars showed higher values than other areas 4 mm below the gingival crest. However, the soft-tissue thickness 8 mm below the gingival crest showed a progressive increase from the anterior to the posterior areas.

Conclusion: Measurements of the soft-tissue thickness using an ultrasonic device could help practitioners select the proper orthodontic miniscrew in daily clinical practice.
ISSN
0003-3219
Language
English
URI
http://hdl.handle.net/10371/68831
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College of Dentistry/School of Dentistry (치과대학/치의학대학원)Dept. of Dentistry (치의학과)Journal Papers (저널논문_치의학과)
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