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Comparing bite force in untreated and orthodontically treated non- extraction cases with MBT appliance and self
Sakshi Gupta1, Gurkeerat Singh1, Sridhar Kannan1
1Sudha Rustagi College of Dental Sciences and Research, Faridabad, India.
Journal of Oral Biology and Craniofacial Research
|December 8, 2021
Summary
Orthodontic treatment with either self-ligating or MBT appliances results in more balanced bite force distribution compared to untreated individuals. While self-ligating appliances showed a slight, statistically insignificant, advantage, both methods improved bite force balance.
Area of Science:
- Orthodontics
- Biomechanical Engineering
- Dental Research
Background:
- Assessing bite force and tooth load distribution is crucial for understanding occlusion and treatment outcomes.
- Traditional orthodontic appliances and newer self-ligating systems aim to optimize dental alignment and function.
- Comparing the biomechanical effects of different orthodontic appliances on bite force is essential for clinical decision-making.
Purpose of the Study:
- To compare bite force and individual tooth load distribution in patients treated with self-ligating appliances (Damon-Q®), MBT (McLaughlin, Bennett and Trevisi) appliance systems, and untreated controls.
- To evaluate the efficacy of different orthodontic appliance systems in achieving balanced occlusal forces.
Main Methods:
- A cross-sectional study involving sixty non-extraction cases divided into three equal groups: self-ligating appliance, MBT appliance, and untreated controls.
- Bite force and distribution were measured using the T-Scan® 9.0 device on both sides of the arch, assessing individual tooth loads.
- Statistical analysis included Paired t-Test, ANOVA, and Chi-square tests for inter- and intra-group comparisons.
Main Results:
- Both self-ligating and MBT appliance groups demonstrated balanced bite forces bilaterally.
- The self-ligating appliance group showed marginally better bite force balance compared to the MBT group, though this difference was not statistically significant.
- Individual tooth load distribution was analyzed to assess the biomechanical outcomes of each treatment modality.
Conclusions:
- Orthodontically treated individuals, regardless of appliance type (self-ligating or MBT), exhibit improved bite force distribution compared to untreated individuals.
- Both self-ligating and MBT appliance systems are effective in achieving balanced occlusal forces post-treatment.
- Further research may explore long-term stability and functional differences between appliance systems.
