Eruption disturbances of mandibular permanent incisors
Celso Tadao Watanabe / Jun-Ichi Watanabe / Yo Taguchi / Tadashi Noda

In this study, we analyzed 7 eruption disturbance cases of mandibular permanent incisors (5 males and 2 females), aged 5y9m to 10y4m. The etiology was divided into 3 categories: traumatic injuries (3 cases), odontomas (2 cases), supernumerary teeth (2 cases). The procedures such as removal of cause (4 cases), surgical exposure (5 cases) and traction (1 case) were done.