To answer your question, on the average the permanent teeth start erupting between the ages of 5 and 7. However, there are large difference in eruption sequence such as the gender and race of a child. For example, in general, teeth erupt earlier in girls than boys.

Permanent (Adult) Teeth Erupt Sequence
Teeth #s Upper (Tooth numbers indicated) Age of Eruption 8 &  9 Central Incisors 7 - 8 years 7 & 10 Lateral Incisors 8 - 9 years 6 & 11 Canines (Cuspids) 11 - 12 years 5 & 12 First Premolars (Bicuspids) 10 - 11 years 4 & 13 Second Premolars (Bicuspids) 10 - 12 years 3 & 14 First Molars 6 - 7 years 2 & 15 Second Molars 12 - 13 years 1 & 16 Third Molars 17 - 21 years
Teeth #s Lower (Tooth numbers indicated) Age of Eruption 24 & 25 Central Incisors 6 - 7 years 23 & 26 Lateral Incisors 7 - 8 years 22 & 27 Canines (Cuspids)  9 - 10 years 21 & 28 First Premolars (Bicuspids) 10 - 12 years 20 & 29 Second Premolars (Bicuspids) 11 - 12 years 19 & 30 First Molars 6 - 7 years 18 & 31 Second Molars 11 - 13 years 17 & 32 Third Molars 17 - 21 years

For more information on this and related topics please visit our BabyTeeth 101: Dental Education area, contact us, or visit your pediatric dentist.