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The tooth numbering continues by assigning teeth numbers descending to the lower left third molar (number 17) and follows the lower (mandibular) jaw up to the tooth farthest back on the bottom right side of the mouth (number 32).
Most of us know teeth based on names, such as molar, incisor, or wisdom tooth. At the dental clinic, human teeth are identified by their numbers. As shown in Fig. 1 above, the ADA teeth numbering system treats the 32 permanent teeth in a clockwise fashion as seen by your dentist. Teeth numbers 1 â 16 are on the upper jaw. Teeth numbers 17 â 32 are in the lower jaw. As an example, teeth numbers 1, 16, 17, and 32 are your wisdom teeth. Teeth numbers 14 and 15 are your upper left molars.