Orthodontics

Concept	Detail
Hand-wrist bones	30
Gingival fiber reorganization	236 days
Tooth movement phases	Initial – Lag 's– Log (Burstone)
Lip thickness peak	18 years
RME skeletal:dental ratio (immediate)	4:1
Canine impaction	Most common: Palatal; Left side
Sector classification	Favorable: Sector 1 & 2
Canine eruption angle >31°	Decreased eruption chance
Premolar classification	Katz
Collum angle	Class II Div 2 malocclusion
Simons classification	Gnathostatic classification