Old nomenclature | I1 | I2 | I3 | C | PM1 | PM2 | PM3 | PM4 | M1 | M2 | M3 |
---|
Modified Triadan | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 |
- The modified Triadan numbering system consists of 3 numbers. The first number relates to the quadrant of the mouth in which the tooth lies; Upper Right: 1; Upper Left: 2; Lower Left: 3; Lower Right: 4.
- If a deciduous tooth is referred to, then a different number is used: Upper Right: 5; Upper Left: 6; Lower Left: 7; Lower Right: 8. The second and third numbers refer to the location in rostrocaudal orientation.