CASE REPORT
Hemisection of an Ankylosed Lower Second Deciduous Molar for Orthodontic Closure of a Congenitally Missing Second-Premolar Space
In a patient with a missing lower second premolar, the distal half of an ankylosed second deciduous molar is removed to enable mesial drift of the first permanent molar. The mesial half of the tooth is later extracted to allow further mesialization of the first molar using Class II elastics.
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