space relationship Flashcards
1
Q
whats the posterior limit of mandibular teeth
A
2-3mm distal to anterior border of ramus
2
Q
what are some factors that affect the mandibular space
A
rate of mesioocclusal migration of 6s,
resorption of anterior border of ramus
when eruption of second molars delayed, may be resolved by reoval of 8s
3
Q
what happens in non-apparent crowding
A
correction of proclination required space
2mm of M-D space required for eah mm of AP change
