Labels:text | screenshot | font | black and white | document | white OCR: Primary teeth. (a) The primary arch; key identifies teeth with corresponding alphabet letters, followed by approximate eruption date. (b) Primary teeth in occlusion. A-UR second molar, 24 to 26 months K-LL second molar, 20 to 22 month B-UR first molar, 14 to 16 months L-LL first molar, 12 to 14 months C-UR cuspid. 18 to 20 months M-LL cuspid, 16 to 18 months DUR lateral incisor, 9 to 11 months N-LL lateral incisor, 7 to 9 months E-UR central incisor, 7 to 9 months O-LL central incisor, 6 to 8 months F-UL central incisor, 7 to 9 months P-LR central incisor, 6 to 8 months G-UL lateral incisor, 9 to 11 months Q-LR lateral incisor, 7 to 9 months H-UL cuspid, 18 to 20 months R-LR cuspid, 16 to 18 months I-UL first molar, 14 to 16 months S-LR first molar, 12 to 14 months J-UL second molar, 24 to ...