Crown and root resorption of a maxillary permanent first molar by an impacted second premolar: a case report. Int J Paediatr Dent 1995; 5 : 259–262. Article Google Scholar ...

Tooth agenesis was associated with less severe horizontal impaction (P = 0.041) in the mandibular second premolar. ... (P = 0.030) and horizontal impaction of the maxillary second premolar ...

Second premolar (second bicuspid) - Eruption time at 10 to 12 years; ... The development of permanent maxillary canines results in the medial shifts of the roots of permanent incisor teeth.