Impacted first mandibular molar: a rare enigma
The incidence of dental impaction is in the range of 5.6 to 18.8% of the population. Failure of the eruption of the first permanent molar is very rare; the prevalence is 0.01% of the population. Permanent molars are particularly important in providing adequate occlusal support as well as coordinating facial growth. Failure to erupt permanent …