Hooo-Hooo Hooo-Hooo Volume 12 Issue 03 - Page 15

4 years Two sets (4 teeth) of permanent incisors are visible and in wear. Once again, notice the obvious difference in size between the permanent and milk teeth. 4 ½ years The first two sets of permanent incisors are obvious and in wear, while the third set is just erupting and visible – often one side first. 2018 NOVEMBER 15