DECIDUOUS OCCLUSIONS :- PRIMARY 2ND MOLARS

FLUSH TERMINAL PLANE (SCA)
 Most Commonly seen occlusion*
 Straight line occlusion
EDGE TO EDGE OR END ON
Crowded , Improper jaw growth

CLASS I OCCLUSION
Mesiobuccal cusp of maxillary 1st M in the mandibular mesiobuccal groove
Usually a flush terminal will end up in class 1 itself
Self – correcting anomaly

MESIAL STEP OCCLUSION
 Ideal Occlusion
CLASS III – When space is utilized
CLASS I – If space not utilized

DISTAL STEP OCCLUSION
CLASS I – If space is utilized
CLASS II- if space is not utilized

 MIXED DENTITION :-
o Started #6 eruption of mandibular 1st Molars
o Finishes #3 eruption of maxillary C or #5 eruption of mandibular 2nd PM