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Babu KS, Kumar AN, Kommi PB, et al. Evaluating the Correlation between Anteroposterior and Mediolateral Compensatory Curves and their Influence on Dentoskeletal Morphology-An In vitro CBCT Study. J Clin Diagn Res. 2017;11(8):ZC49-ZC52doi: 10.7860/JCDR/2017/28670.10400.
Babu, K. S., Kumar, A. N., Kommi, P. B., Krishnan, P. H., Kumar, M. S., Sabapathy, R. S., & Kumar, V. V. (2017). Evaluating the Correlation between Anteroposterior and Mediolateral Compensatory Curves and their Influence on Dentoskeletal Morphology-An In vitro CBCT Study. Journal of clinical and diagnostic research : JCDR, 11(8), ZC49-ZC52. https://doi.org/10.7860/JCDR/2017/28670.10400
Babu, K Suresh, et al. "Evaluating the Correlation between Anteroposterior and Mediolateral Compensatory Curves and their Influence on Dentoskeletal Morphology-An In vitro CBCT Study." Journal of clinical and diagnostic research : JCDR vol. 11,8 (2017): ZC49-ZC52. doi: https://doi.org/10.7860/JCDR/2017/28670.10400
Babu KS, Kumar AN, Kommi PB, Krishnan PH, Kumar MS, Sabapathy RS, Kumar VV. Evaluating the Correlation between Anteroposterior and Mediolateral Compensatory Curves and their Influence on Dentoskeletal Morphology-An In vitro CBCT Study. J Clin Diagn Res. 2017 Aug;11(8):ZC49-ZC52. doi: 10.7860/JCDR/2017/28670.10400. Epub 2017 Aug 01. PMID: 28969273; PMCID: PMC5620920.
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J Clin Diagn Res. 2017 Aug;11(8):ZC49-ZC52. doi: 10.7860/JCDR/2017/28670.10400. Epub 2017 Aug 01.

Evaluating the Correlation between Anteroposterior and Mediolateral Compensatory Curves and their Influence on Dentoskeletal Morphology-An In vitro CBCT Study.

Journal of clinical and diagnostic research : JCDR

K Suresh Babu, A Nanda Kumar, Pradeep Babu Kommi, P Hari Krishnan, M Senthil Kumar, R Senkutvan Sabapathy, V Vijay Kumar

Affiliations

  1. Senior Resident, Department of Orthodontics, Pondicherry Institute of Medical Sciences, Puducherry, India.
  2. Professor, Department of Orthodontics, Meenakashi Ammal Dental College, Chennai, Tamil Nadu, India.
  3. Reader, Department of Orthodontics, Indira Gandhi Institute of Dental Science, Puducherry, India.
  4. Private Practitioner, Chennai, Tamil Nadu, India.
  5. Head, Department of Orthodontics, Indira Gandhi Institute of Dental Science, Chennai, Tamil Nadu, India.
  6. Senior Lecturer, Department of Orthodontics, Indira Gandhi Institute of Dental Science, Puducherry, India.

PMID: 28969273 PMCID: PMC5620920 DOI: 10.7860/JCDR/2017/28670.10400

Abstract

INTRODUCTION: To date, many orthodontist corrects malocclusion based on patients aesthetic concern and fails to correct the compensatory curves. This scenario is due to less insight on understanding relationship of compensatory curves and its correlation in treatment prognosis.

AIM: The purpose of this study was to evaluate the correlation between the curve of Spee, curve of Monson and curve of Wilson, their influence on dentoskeletal morphology and their contribution to occlusal stability.

MATERIALS AND METHODS: This study included 104 non-orthodontic models. The study casts were subdivided into two groups, Group-I consist 52 non- orthodontic models with Class-I molar relationship and Group-II consist of 52 non- orthodontic models with Class-II molar relationship. Curve of Spee was measured with digital vernier caliper, curve of Monson estimated using specially made sphere (7″inch, 8″ inch and 9″inch) and curve of Wilson was evaluated using Cone Beam Computed Technology (CBCT).

RESULTS: Mean value for curve of Spee obtained for Group I and Group II is 1.844 mm and 3.188 mm. For curve of Monson, the mean value obtained for Group I and Group-II is 7.65 inches and 7.40 inches. The mean degree obtained for the curve of Wilson for Group I and Group-II is 12.05 and 16.49. The result showed positive correlation between curve of Spee and curve of Wilson and no correlation between curve of Monson and curve of Wilson and no correlation between curve of Spee and curve of Monson. The Pearson correlation coefficient analysis from the study confirmed these results.

CONCLUSION: The results showed positive correlation between curve of spee and curve of Wilson. The data found in this study can be applied clinically for Class I and Class II malocclusion patients on diagnosis and treatment planning.

Keywords: 3D study model; Monson sphere; Wilson curve

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