Research Article
Prevalence and Reasons for Tooth Loss in a Sample from a Dental Clinic in Brazil
Table 6
Reasons for tooth extraction by age groups.
| | Age group | | | | | Reasons | | | | | | C | PD | E | P | T | O | OP | Others | Total | | (%) | (%) | (%) | (%) | (%) | (%) | (%) | (%) |
| | 15–19 | 43
| — | 18
| — | — | — | — | 3
| 64 | | (67.2)* | | (28.1)* | | | | | (4.7)
|
| | 20–24 | 18
| — | 24
| — | — | 4
| — | 5
| 51 | | (35.3) | | (47.1)* | | | (7.8) | | (9.8)
|
| | 25–29 | 12
| — | 5
| — | — | — | — | 7
| 24 | | (50.0) | | (20.8)* | | | | | (29.2)* |
| | 30–34 | 13
| 6
| 2
| — | 2
| 8
| 4
| 10
| 45 | | (28.9) | (13.3) | (4.4) | | (4.4) | (17.8)* | (8.9)* | (22.2)* |
| | 35–44 | 73
| 34
| — | — | 2
| — | 2
| 20
| 131 | | (55.7)* | (26.0) | | | (1.5) | | (1.5) | (15.3)* |
| | 45–54 | 57
| 63
| — | 7
| 8
| 10
| — | 18
| 163 | | (35.0) | (38.7)* | | (4.3) | (4.9) | (6.1) | | (11.0) |
| | 55–64 | 56
| 83
| 2
| 8
| 6
| 13
| 3
| 9
| 180 | | (31.1) | (46.1)* | (1.1) | (4.5) | (3.3) | (7.2) | (1.7) | (5.0) |
| | 65–74 | 23
| 54
| — | 10
| 3
| 11
| — | 4
| 105 | | (21.9) | (51.4)* | | (9.5)* | (2.9) | (10.5) | | (3.8) |
| | 75–84 | 12
| 18
| — | 4
| — | — | — | 3
| 37 | | (32.4) | (48.7)* | | (10.8) | | | | (8.1) |
| | 15–81 | 38.4 | 32.3 | 6.4 | 3.6 | 2.6 | 5.7 | 1.1 | 9.9 | 800 |
|
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C: caries; PD: periodontal disease; E: eruption problems; P: prosthetics; T: trauma; O: orthodontics; OP: occlusal problems; Others: other reasons (accidents or iatrogenic factors). Chi-square test () = . *> 2.576 () adjusted residual chi-square.
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