Aim
The present case report describes the importance of understanding of biomechanical and clinical considerations in application of Forsus appliance in correction of class II skeletal malocclusion.
Background
Angle's class II malocclusion is one of the most prevailing that may be either skeletal or dental presenting with different clinical manifestations. There are number of appliances to treat such a malocclusion in a growing child. Fixed functional appliances are indicated for class II corrections in patients who report late with minimal residual growth left.
Case description
A case of class II skeletal and dental malocclusion treated with preadjusted edgewise appliance supplemented with Forsus Fatigue Resistant Device (FRD) (3M Unitek Corp, California, USA) is reported.
Conclusion
Forsus device is an effective alternative in treating moderate skeletal class II malocclusion. The Forsus FRD (3M Unitek Corp, California, USA) can be used instead of class II elastics in mild cases and in place of Herbst appliance in severe cases.
Alteration of force vector by modifying the archwire as shown in this case report while applying Forsus and incorporation of 10 degree labial root torque in lower archwire will minimize the effects on dentition.
Engaging modules or tubing on to the pushrod and leaving 1 to 2 mm clearance between distal end of the upper tube and L-pin as shown in this case report will significantly improve the patient compliance.
Clinical significance
Much emphasis should be given to biomechanical considerations which were discussed in this article while treating patients with Forsus to prevent the unwanted effects.
Clinical considerations and certain modifications advised in this case report should be utilized while treating class II skeletal malocclusions with Forsus appliance to eliminate the patient cooperation factor and make treatment time estimates much more accurate.
How to cite this article
Adusumilli SP, Sudhakar P, Mummidi B, Varma DPK, Arora S, Radhika A, Maheshwari A. Biomechanical and Clinical Considerations in correcting Skeletal Class II Malocclusion with ForsusTM. J Contemp Dent Pract 2012; 13(6):918-924.
Aim:To assess the prevalence of dental caries and dental fluorosis among 13-to 15-year-old school children in Panyam, Andhra Pradesh, India.
Materials and methods:The cross-sectional study was conducted among 202 school children and were examined for dental fluorosis and dental caries.Results: This study shows that male students have a decrease in DMFT (Decayed, missing, filled, teeth) index and increase in Dean's index when compared with females. Among students with 13 to 15 years of age, 13-year-old student has increase in DMFT score when compared with other age groups and 14-year-old students has increase in Dean's score when compared with other age group students.
Conclusion:The prevalence of dental caries decreased with the increase of fluorosis among the students examined.Clinical significance: Patients with dental fluorosis show a decreased prevalence of dental caries.
If the skeletal discrepancy is mild and esthetic concerns are minimal, dental compensation by orthodontic treatment alone might be recommended. The cephalometric analysis and prediction tracings provide further information for deciding whether a patient can be treated by orthodontics alone, or by orthodontics and an orthognathic surgical procedure. A change in axial inclination of the teeth can camouflage the skeletal relationship adequately. However, one should be cautious in a growing patient, because he or she might outgrow the dental correction so that ultimately skeletal surgery would be indicated.
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