Table 5.
Percent of Individuals Losing Teeth Over 5-y by Tooth Type and Flossing Habit (Including Individuals Who Became Edentulous) n = 375.
| Nonflossers | Flossers | Chisq/CMH P Values | |
|---|---|---|---|
| All molars retained | 147 (61.5) | 96 (70.6) | 0.08/0.01 |
| 1+ molar(s) lost | 92 (38.5) | 40 (29.4) | |
| All premolars retained | 140 (58.6) | 112 (82.4) | <0.0001/0.0002 |
| 1+ premolar(s) lost | 99 (41.4) | 24 (17.7) | |
| All canines retained | 148 (61.9) | 125 (91.9) | <0.0001/<0.0001 |
| 1+ canine(s) lost | 91 (38.1) | 11 (8.1) | |
| All incisors retained | 141 (59.0) | 119 (87.5) | <0.0001/<0.0001 |
| 1+ incisor(s) lost | 98 (41.0) | 17 (11.5) |
Comparison of observed frequencies is based on unadjusted Pearson chi-square tests (first P value) and Cochran-Mantel-Haenszel (CMH) tests (second P value) adjusted for race, sex, age, diabetes, smoking, education, brushing, and dental utilization. Data are presented as n (%).