RPE vs SPE
RPE: 1mm/day
SPE: 1mm/week
Most common missing teeth
Mandibular 2nd premolars
Maxillary lateral incisors
Tooth eruption
6 Man molar 6 Max molar 6 Man central 7 Max central 7 Man Lateral 8 Max Lateral 10 Max 1st premolar 10 Man 1st premolar 10 Man canine 11 Max 2nd premolar 11 Man 2nd premolar 11 Maxcanine 12 Man 2nd molar 12 Max 2nd molar 20
Ectopic eruption most common in
Max 1st molars
Max canines
Lateral incisiors
Sequence of treatment
Stage 1: disease control (no difinitive occlusal) Re-evaluate Stage 2: Establish occlusion Stabilize Stage 3: Perio and restorative Stage 4: Maintenance
Surgically treating long face
Superior positioning of maxilla
Surgicaly treating short face
Shortening the ramus
Recovery times of PDL and gingiva
PDL 3-4 months
Gingival Collagen: 4-6 months
GIngival Elastic: up to 1 year
Posterior crossbite class
Class I