1. The adaptation and development of biological concepts in orthodontics. 2. Biology if orthodontic tooth movement: An overview. 3. The effects of mechanical loading on hard and soft tissues and cells. 4. Genetic influences on orthodontic tooth movement.

5. The role of inflammation in defining the type and pattern of tissue response in orthodontic tooth movement. 6. Biological aspects of bone growth and metabolism in orthodontics. 7. Markers of paradental tissue remodeling in the gingival crevicular fluid of orthodontic patients. 8. Effects of systemic diseases on orthodontic tooth movement.

9. The effect of drugs and diet on orthodontic tooth movement. 10. Biologically and clinically, what are optimal orthodontic forces and how are they applied in selective common malocclusions?. 11. The biological background of relapse of orthodontic tooth movement. 12. Mechanical and biological determinants of iatrogenic injuries in orthodontics.