Dissertation/Thesis Abstract

The Effects of Corticotomies on Mineral Apposition Rate and Bone Density During Orthodontic Tooth Movement
by Nguyen, Ann T., M.S., The Texas A&M University System Health Science Center, 2008, 68; 1457515
Abstract (Summary)

The effects of corticotomy on bone mineral apposition rate (MAR) and BV/TV were investigated in 5 dogs during orthodontic tooth movement. One randomly selected mandibular quadrant had buccal and lingual corticotomies around the second premolar. Both maxillary quadrants had initial buccal corticotomies performed around the third premolar and one randomly selected quadrant had a second buccal corticotomy after 28 days. The teeth were moved into the extraction spaces over 8 week period with a continuous force of 200g. MAR and BV/TV were evaluated on undecalcified sections using Bioquant Osteo II system (Nashville, TN). There were no significant differences in MAR between the control and experimental sides in either the maxilla or the mandible. However, there was a trend of increased MAR after the corticotomies were performed. The maxilla showed a consistent, significant (p<.05) decrease of the BV/TV on the side with the second corticotomies. Differences in BV/TV associated with corticotomies were statistically significant in the mandibular alveolar process, but not in the mandibular buccal cortical bone.

Indexing (document details)
Advisor: Buschang, Peter H.
Commitee: Campbell, Phillip M., Opperman, Lynne A., Rossouw, Emile
School: The Texas A&M University System Health Science Center
Department: Orthodontics
School Location: United States -- Texas
Source: MAI 47/02M, Masters Abstracts International
Subjects: Dentistry
Keywords: Bone density, Corticotomies, Mineral apposition rate, Orthodontic tooth movement
Publication Number: 1457515
ISBN: 978-0-549-85595-8
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