Research Article
Prevalence and Reasons for Tooth Loss in a Sample from a Dental Clinic in Brazil
Table 4
Prevalence (%) of extractions by age group and type of teeth.
| Age group | Tooth
| Anterior
| Premolar
| Molar
| Total
| (%) | (%) | (%) | |
| 15–19 | — | 33 (51.6)* | 31 (48.4)* | 64 | 20–24 | 3 (5.9) | 22 (43.1) | 26 (51.0)* | 51 | 25–29 | 5 (20.8) | 8 (33.3) | 11 (45.9) | 24 | 30–34 | 11 (24.4) | 14 (31.1) | 20 (44.5) | 45 | 35–44 | 33 (25.2) | 42 (32.1) | 56 (42.7)* | 131 | 45–54 | 62 (38.0) | 54 (33.2) | 47 (28.8) | 163 | 55–64 | 84 (46.7)* | 52 (28.9) | 44 (24.4) | 180 | 65–74 | 69 (65.7)* | 25 (23.8) | 11 (10.5) | 105 | 75–84 | 25 (67.6)* | 7 (18.9) | 5 (13.5) | 37 |
| 15–81 | 292 (36.5) | 257 (32.1) | 251 (31.4) | 800 |
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Chi-square test () = . * > 2.576 () adjusted residual chi-square.
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