NON – SELF CORRECTING ANOMALIES :-
SKELETAL
1. Skeletal Class III
2. Skeletal class II
MIDLINE DIASTEMA * after 11 years or C eruption
a] Hgh frenal attachment
Blanch test — to detect high frenum attachement
Frenectomy
Wait for eruption of remaining teeth
Ortho
b] unerupted mesiodense
Rx
o Occlusal radiograph
o If before C eruption — extraction of mesiodens might close the gap as C
erupts completely
o If after C eruption — extraction of mesiodens + fixed ortho