Mandibular molar mesialization

We read the study "Apical root resorption due to mandibular first molar mesialization: a split-mouth study" by Winkler et al1 in the April 2017 issue of the AJO-DO. Mandibular molar mesialization is a difficult process because of the cortical nature of mandibular bone and the wide buccolingual roots of the mandibular molars.2 The split-mouth design mentioned by the authors was appropriate, since it nullifies various limiting factors such as the patient's overall periodontal health and the clinician's skill.

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