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Sreenivasan, Prashanth
- Skeletal Maturity as Seen in the Transverse Sectional Slices of Mandible:A CBCT Study
Authors
1 Department of Orthodontics and Dentofacial Orthopedics, Bharath Institue of Higher Education and Research, Chennai, IN
Source
Indian Journal of Public Health Research & Development, Vol 10, No 12 (2019), Pagination: 358-363Abstract
Human growth is very complex in nature characterised by considerable variation in an individual’s rate of physiologic and skeletal maturity. Variability is the law of nature because of infinite number of genetic possibilities present. No individuals are ever exactly alike. The growth factor is a critical variable in orthodontic diagnosis and treatment planning. Predicting the out come of treatment results in a growing patient is often more difficult than in a non growing patient. Prior knowledge of the amount along with rate, timing and direction of maxilla–mandibular growth in any given patient would be extremely useful for forecasting treatment out come.
Skillfull evaluation of growth left in a patient makes a difference in such growth modulations. Having an intrinsic indicator could be a boon for the clinician. Hence the search for such an intrinsic indicator was initiated in this study.
Keywords
Mandubular Corpus Index, Cervical Vertibral Maturation Stage, CBCT, Skeletal Maturity of the Mandible.
- Class II Skeletal Jaw Discrepancy Correction with Herbst Appliance
Authors
1 Department of Orthodontics and Dentofacial Orthopedics, Sree Balaji Dental College and Hospital, BIHER, Chennai, IN
2 Department of Microbiology, Research Laboratory for Oral-Systemic Health, Sree Balaji Dental College and Hospital, BIHER, Chennai, IN
Source
Indian Journal of Public Health Research & Development, Vol 10, No 12 (2019), Pagination: 2399-2406Abstract
Introduction: This case report describes the treatment of a skeletal Class II malocclusion with an orthognathic maxilla and retrognathic mandible with severely proclined maxillary incisors, imbricated mandibular incisors, deep bite, convex profile and horizontal mandibular growth pattern treated with the Herbst appliance.
Method: Visual treatment objective was initially done to confirm the effectiveness of the use of a functional appliance. Treatment involved the use of a fixedfunctional appliance namely, Herbst appliance to advance the mandible forwards. The case was assessed at T1 and T2 of the initial orthopedic phase of treatment.
Results: At T2, the retrognathism of the mandible was adequately addressed and the facial convexity reduced dramatically. The molars attained a Class I relation and the facial soft tissue profile improved drastically with elimination of lower lip trap.
Conclusion: Functional retrusion of the mandible can be effectively treated in the pubertal period of growth spurt with the judicious use of a fixed functional bite jumping appliance such as the Herbst.