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Table 5 Number (%) of subjects dentate in each jaw (n = 1462) with missing teeth, mean number of missing teeth (SD) eligible for replacement, and mean percentage (SD) of teeth replaced according to age groups.

From: Dental and prosthodontic status of an over 40 year-old population in Shandong Province, China

  Number of subjects dentate in each jaw with missing teeth (%) Mean number of missing teeth (SD) eligible for replacement Mean percentage (SD) of teeth replaced
Rural    
40-49 267 (89) 5.1 (4.0) 18.2 (28.4)
50-59 183 (97) 8.4 (6.7) 28.8 (33.5)
60-69 133 (99) 12.3 (9.0) 29.5 (32.3)
≥70 93(100) 18.7 (8.4) 33.1 (34.4)
Urban    
40-49 214 (87) 3.9 (3.1) 10.9 (25.5)
50-59 232 (92) 5.1 (3.9) 19.0 (28.6)
60-69 192 (92) 7.0 (5.7) 26.5 (32.4)
≥70 98 (98) 10.1 (7.2) 33.3 (33.9)