PEDO TEETH
 Smallest — mandibular L1
 First erupting — mandibular C1
 Largest tooth — mandibular 2nd M

PERMANENT TEETH
 Smallest — mandibular CI
 Largest — maxillary 1st M
 First erupting — mandibular CI

SPACES
 In primary teeth — physiologic space
 It is self correcting anomaly
 Midline Diastema
 Maxillary 1.7mm — mesial to C
 Mandibular 1.5mm — distal to C
 They are known as Primate space or Anthropoid space or Simmian space.

SELF CORRECTING ANOMALIES
o Anterior deep bite — 6 months age anomaly
o (SCA) — Self correcting as posterior teeth erupts
o (self – correcting anomaly)