Progressive Orthodontic Seminars | Orthodontic Continuing ...

Mesial inclination of upper molars in class II cases can cause difficulty in obtaining a solid class I fit of the bicuspids and cuspids in front of the molar. By using a “tipD” weld, the crown of the first molar is pushed back (root forward) to a more upright position, enabling a better fit of the 3-4-5 with the lower. ................
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