<prompt> First set of milk teeth appear at what age3 months6 months9 months12 months  <response>: Ans. is b i.e., 6 months Temporary teeth milk, deciduous teeth start erupting at 6 months age.Eruption of temporary teethPrimary dentitionToothAge in range monthsAverage age monthsLower CI6-87Upper CI7-98Uppler LI7-98Lower LI10-12111 molar12-1413Canine17-1817?5II molar20-3025 Eruption of permanent teethSecondary dentition Age in range yearAverage age yearFirst molar6-76?5Central incisor7-87Lateral incisor8-98First PM9-1110Second PM10-1211Canine11-1211?5Second molar12-1413Third molar17-2517 