Quantitative assessment of buccal cortical bone thickness in South Indian population for miniscrew implant placement using computed tomography: An in vitro study

Sreesan, N S (2012) Quantitative assessment of buccal cortical bone thickness in South Indian population for miniscrew implant placement using computed tomography: An in vitro study. Masters thesis, Ragas Dental College and Hospital, Chennai.

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Abstract

The results of the study revealed that, buccal cortical bone is thinnest in the anterior maxilla and increases gradually towards the posterior maxilla. There is a gradual increase in thickness till the 2nd molar level beyond which the CBT decreases bilaterally. An interesting finding in the study was the decrease in CBT at the level of 4mm from the alveolar crest in the posterior maxilla on both right and left sides. This variation was different from the usual pattern seen in the anterior maxilla, where the CBT increases as the distance from alveolar bone to basal bone increased. Comparison between sexes revealed that, there was a male predominance with greater CBT than female population. The comparison between age groups revealed that the adult age group had a greater CBT than the adolescent age group. The clinical implications of the study are: • In the anterior maxilla, the thickest region is at 8 mm level vertically and between central incisors and lateral incisors anteroposteriorly. • In the posterior maxilla, the thickest region is at 8 mm level vertically and between 2nd bicuspid and 1st molar anteroposteriorly in both the sexes. • In the anterior maxilla, the thinnest region is at 2 mm level vertically and between the central incisors anteroposteriorly in both the sexes. • In the posterior maxilla, the thinnest region is at 4 mm level vertically and between 2nd molar and 3rd molar anteroposteriorly in both the sexes.

Item Type: Thesis (Masters)
Uncontrolled Keywords: Quantitative assessment ; buccal cortical bone thickness ; South Indian population ; miniscrew implant placement ; computed tomography ; in vitro study.
Subjects: DENTAL > Orthodontics and Dentofacial Orthopedics
Depositing User: Subramani R
Date Deposited: 09 Oct 2018 15:11
Last Modified: 09 Oct 2018 15:11
URI: http://repository-tnmgrmu.ac.in/id/eprint/9796

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