Labels:black | darkness OCR: Permanent teeth. (a) The permanent arch; key identifies each tooth by corres- pondiog number, followed by approximate eruption data (b) Permanent teeth in occlusion, 1-UR third molar, 17 to 21 years 17-LL third molar, 17 to 21 years 2-UR second molar, 12 to 13 years 18-LL second molar, 11 to 13 years 3-UR frst molar, 8 to 7 years 19-LL First molar, & to 7 years ++UR second bicuspid, 10 to 12 years 20-LL second bicuspid, 11 to 12 years 5 -- UR first bicuspid, 10 to 11 years 21-LL first bicuspid, 10 to 12 years 6-UR cuspid, 11 to 12 yeara 22-LL cuspid, $ to 10 year, 7-UR lateral incisor, 8 to 9 years 23-LL lateral Lucisor, 7 to B yeers BUR central incisor, 7 to 8 years 24-LL central incisor, 6 to 7 years 9-UL central incisor, 7 to 8 year1 25-LR central incisor, E to 7 years 10-UL lateral incisor, 8 to 9 years 26-LR lateral incisor. 7 to B years 11-UL cuspid, 11 to 12 years 27-LR cuspid, 8 to 10 yearı 12-UL first bicuspid, 10 to 11 years 26-LR first bicuspid, 10 to 12 years 13-UL second bicuspid, 10 to 12 years 29-LR second bicuspid, 11 to 12 years 14-UL first molar, 6 to 7 years 30-LR first moler, 6 to 7 yaarı 15 UL second molar, 12 to 13 years 31-LR second motar. 11 to 13 years 18 UL third molar, 17 to 21 years 32-LR third molar, 17 to 21 years
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