Comparative Evaluation Of Treatment Duration And Changes Using Corticotomy Assisted Self Ligating Technique And Conventional Mbt Technique
Journal Title: INTERNATIONAL JOURNAL OF CURRENT RESEARCH - Year 2017, Vol 9, Issue 5
Abstract
Background and Objectives: Corticotomy assisted orthodontics is a tissue engineering procedure which causes rapid tooth movement at a ratio of 3-4 times greater than conventional orthodontic movement. Self-ligating techniques shortens treatment time due to reduced friction between the brackets and archwire. The use of closed coil springs to deliver constant retraction force also encourages faster space closure. A combination of corticotomy with Self Ligating Technique along with NiTi Closed Coil springs would further reduce treatment duration. The objective of this study was to assess and compare the treatment time taken and treatment changes in one Group of patients treated with Corticotomy and Self Ligating Brackets and with another Group of patients treated with conventional orthodontics. Both the groups followed the MBT (Mclaughlin Bennet Trevesi) prescription. Material and Method: Five patients each in Group A were treated with corticotomy assisted SLT (Self Ligating Technique) with retraction force from NiTi closed coil springs and five patients of Group B were treated with conventional MBT technique. The patients of both the groups were indicated for first four premolars extraction therapy with Angles Class I molar relationship. For the patients of Group A, a full thickness flap was elevated on the buccal and lingual aspect of the upper and lower arches. Vertical and horizontal cuts were made on the cortical bones with 701 surgical bur with diameter of 2mm upto a depth were medullary bone appeared (indicated by appearance of bleeding spot). Bone grafts were placed on the bone surface, flaps were sutured back in position. The initial aligning wires were placed immediately after surgery and the patients were recalled every 2 weeks whereas the patients treated with conventional orthodontics technique (Group B) were recalled every 6 weeks interval. The time taken for both the groups to complete the treatment was noted and the treatment results (Skeletal, Dental and soft tissue changes) in both the goups were assessed using pre and post treatment cephalograms with the Steiners analysis and the treatment efficiency was compared. Result: Data was coded and entered in an MS Excel format and analysed using appropriate statistical software. The quantitative data was measured using mean, standard deviation and independent t-test. The average number of days for treatment completion for Group A was 310.8000 and for Group B patients was 497.4000 which was statistically significant (p value was 0.013 < 0.05) thus the treatment for the patients of Group A was 62% faster than the patients of group B. When the treatment changes of both the groups were compared, we could conclude that the change in skeletal, dental and soft tissue profile after treatment for the patients of Group A was more than patients of group B, although such a mild difference was statistically insignificant for all the parameters. Interpretation and Conclusion: These results concludes that 1. The treatment time taken for Group A patients was 62% faster than the Group B patients. 2. The treatment results, the skeletal, dental and soft tissue parameters did not show any statiscally significant difference indicating that both the methods had similar treatment results. 3. Group A showed more consistent treatment change skeletally and Group B patients showed more consistent treatment change dentally along with improvement in the soft tissue profile.
Authors and Affiliations
Dr. Rosaline Tina Paul, Dr. Ligil, A. R . , Biswas, P. P. .
Keywords
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