Question

Difference between primary and secondary gingivitis

Answer 1

A:Primary teeth are Milk teeth, which appearin the mouth at 6-7 months and shed by 11 years. These are 20 in number. Permanent teeth appear at 6-7 years and the lastpermanent tooth (Wisdom tooth) appears at the age of 17-23 years. Most permanent teetherupt at the place of milk teeth except few.