Eruption of mandibular second premolar.
D001641:Bicuspid / Q000000981:diagnostic imaging / Q000502:physiology*; D006801:Humans; D011859:Radiography; D014078:Tooth Eruption; D014080:Tooth Exfoliation; D014083:Tooth Germ / Q000000981:diagnostic imaging; D014094:Tooth, Deciduous / Q000502:physiology