Before revision: Crown completed 1.5 mo 2.5 mo 9 mo 6 mo 11 mo Root completed 18 mo 2 yr 3.25 yr 2.5 yr 3 yr Mandibular (lower) teeth Initial calcification 14 wk I.U.
After revision: Crown completed 1.5 mo 2.5 mo 9 mo 6 mo 11 mo Root completed 1.5 yr 2 yr 3.25 yr 2.5 yr 3 yr Mandibular (lower) teeth Initial calcification 14 wk I.U.