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CBCT Evaluation Of Bicortical Thickness Of The Mid Palate For Micro-Osteo Perforation In Patients Undergoing Treatment With Miniscrew Assisted Rapid Palatal Expansion.

    Authors

    • Akshay Mohan
    • S.Harish Babu
    • Arvind. S
    • Ashwin Mathew George

    .

,

Document Type : Research Article

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Abstract

Objective: To evaluate the anatomical variations in bicortical thickness of the mid palatine region in order to calibrate the maximum depth of micro osteoperforation permissible at various sites along the midpalate.
Design: This was a retrospective cone-beam computed tomography study
Setting: The study was conducted in Department of Orthodontics and Dentofacial Orthopedics
Methods: CBCT images of 60 subjects between the age of 14-28 years were taken up for evaluation from the records of the dental hospital. The sixty scans were from 37 males and 23 females. The CBCT images of subjects were evaluated by two investigators to assess the bicortical thickness of bone in the midpalatal region using fixed reference points and planes. Mean and standard deviation of bicortical thickness at various fixed landmarks were calculated. One-way ANOVA was done to check for variation of bicortical thickness among various sites in males and females. Intra operator reliability was checked by the paired T- test and Kappa statistics were used to evaluate inter-operator reliability between the observations by two observers (A.M, H.B).
Results: A mean value of 8.93+/-1.67mm, 6.37+/-1.56mm, 4.42+/-1.40mm, 3.11+/-1.21mm, 2.47+/-0.95mm, 2.07+/-0.93mm was obtained for reference points A, B, C, D, E and F respectively in males. It was observed that a mean value of 7.93+/-1.56mm, 5.48+/-1.39mm, 3.66+/-1.01mm, 2.81+/-1.06mm, 2.35+/-1.08mm, 2.09+/-1.18 mm was obtained for points A, B, C, D, Eand Frespectively in females. Statistically significant difference was observed between the six points (ANOVA test; p value- 0.00). The Intra operator reliability was assessed using a paired T-test and was estimated to be 0.93 and the inter-operator reliability by Kappa statistics was 0.321.
Conclusion: The bicortical thickness of the mid palate varies showing more thickness anteriorly and progressively getting thinner posteriorly. The anterior segment showed more variations in the thickness compared to the posteriors. Micro osteoperforation of palate can be done upto a depth of 8.93 mm in males and 7.93mm in females and a minimum depth of 3.11 mm in males and 3.66mm in females is possible in the anterior half of the palate. 

Keywords

  • Cone-Beam Computerized Tomography
  • Maxillary Expansion
  • orthodontics
  • Palate
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European Journal of Molecular & Clinical Medicine
Volume 7, Issue 10
December 2020
Page 198-209
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  • Article View: 307
  • PDF Download: 512

APA

Mohan, A., Babu, S., S, A., & George, A. M. (2020). CBCT Evaluation Of Bicortical Thickness Of The Mid Palate For Micro-Osteo Perforation In Patients Undergoing Treatment With Miniscrew Assisted Rapid Palatal Expansion.. European Journal of Molecular & Clinical Medicine, 7(10), 198-209.

MLA

Akshay Mohan; S.Harish Babu; Arvind. S; Ashwin Mathew George. "CBCT Evaluation Of Bicortical Thickness Of The Mid Palate For Micro-Osteo Perforation In Patients Undergoing Treatment With Miniscrew Assisted Rapid Palatal Expansion.". European Journal of Molecular & Clinical Medicine, 7, 10, 2020, 198-209.

HARVARD

Mohan, A., Babu, S., S, A., George, A. M. (2020). 'CBCT Evaluation Of Bicortical Thickness Of The Mid Palate For Micro-Osteo Perforation In Patients Undergoing Treatment With Miniscrew Assisted Rapid Palatal Expansion.', European Journal of Molecular & Clinical Medicine, 7(10), pp. 198-209.

VANCOUVER

Mohan, A., Babu, S., S, A., George, A. M. CBCT Evaluation Of Bicortical Thickness Of The Mid Palate For Micro-Osteo Perforation In Patients Undergoing Treatment With Miniscrew Assisted Rapid Palatal Expansion.. European Journal of Molecular & Clinical Medicine, 2020; 7(10): 198-209.

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