The role of supra-alveolar crest fibers in diastema closure following rapid maxillary expansion
Belfer, William A.
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The intention of this study was to determine the role that supra-alveolar crest fibers play in spontaneous closure of the midline diastema during maxillary expansion therapy. Eighteen pre-adolescent children participated in this study and of these nine underwent surgical transsection of supra-alveolar crest fibers between the maxillary central incisors. Angular and linear measurements were taken from cephalometric radiographs and plaster casts at the pre-activation, stabilization, and post-retention periods of expansion therapy. These measurements were considered to be variables which might be related to diastema closure. It was found that surgical transsection of supraalveolar crest fibers made no significant effect, if any, on diastema closure. Furthermore, there was no correlation between diastema closure and any one of the angular and linear variables.
PLEASE NOTE: This work is protected by copyright. Downloading is restricted to the BU community: please click Download and log in with a valid BU account to access. If you are the author of this work and would like to make it publicly available, please contact firstname.lastname@example.org.Thesis (M.Sc.D.)--Boston University, School of Dentistry, 1974. Orthodontics.Bibliography included.
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