Orthodontic Traction and Decompression Method in Treating Impacted Permanent Mandibular First Molars : Case Reports

Abstract

Impacted teeth occur at higher frequencies in permanent than primary dentition. The most frequently affected teeth are the maxillary and mandibular third molars, whereas it is quite uncommon for the mandibular first molar to be impacted.Treatment methods for impacted teeth include continuous examination for independent eruption, surgical exposure, subluxation after surgical exposure, orthodontic traction, and surgical repositioning. If all of these treatments fail, tooth extraction may be considered.In the first case study, an 8-year-old boy was treated with surgical exposure, after which he was fitted with an obturator. His mandibular first molar then erupted successfully. In the second case, we treated a 12 year-old boy using orthodontic traction.This study describes children with tooth eruption disorders of the mandibular first molar in mixed dentition, and reports acceptable results regarding treatment of the impacted teeth.

Cantilever-Type Traction Appliance for Mandibular First Permanent Molars with Eruption Disturbances

“…Removable intermaxillary traction appliance is easy for clinicians to manufacture and for children to keep good oral hygiene. But the disadvantage of this appliance is that it demands high level of patients' compliance [18]. In the case of a traction appliance using a miniplate, it has the benefits of obtaining skeletal anchorage, but can cause discomfort due to inflammation around the miniplate.…”