Table 3. Effects of preventive protocols on dental caries risk in irradiated patients. Results of mutans streptococci counts were obtained by culture.
| Group | Caries risk | |||
|---|---|---|---|---|
| 1low risk N(%) | moderate risk N(%) | high risk N(%) | plate overgrowth N(%) | |
| Group I | ||||
| Before IDT | 0 (0.0) | 2 (13.33) | 7 (46.67) | 6 (40.0) |
| Before RT | 1 (6.67) | 3 (20.0) | 9 (60.0) | 2 (13.33) |
| After RT | 0 (0.0) | 4 (30.77) | 9 (69.23) | 0 (0.0) |
| 6 months after RT | 0 (0.0) | 3 (30.0) | 4 (40.0) | 3 (30.0) |
| Group II | ||||
| Before IDT | 0 (0.0) | 0 (0.0) | 8 (53.33) | 7 (46.67) |
| Before RT | 2 (13.33) | 3 (20.0) | 9 (60.0) | 1 (6.67) |
| After RT | 0 (0.0) | 3 (27.27) | 8 (72.72) | 0 (0.0) |
| 6 months after RT | 0 (0.0) | 2 (22.22) | 4 (44.44) | 3 (33.33) |
| Group III | ||||
| Before IDT | 0 (0.0) | 1 (6.67) | 8 (53.33) | 6 (40.0) |
| Before RT | 1 (6.67) | 2 (13.33) | 8 (53.33) | 4 (26.67) |
| After RT | 0 (0.0) | 0 (0.0) | 10 (71.43) | 4 (28.57) |
| 6 months after RT | 0 (0.0) | 2 (18.18) | 5 (45.45) | 4 (36.36) |
| Group IV | ||||
| Before IDT | —a | — | — | — |
| Before RT | 0 (0.0) | 2 (.0) | 8 (53.33) | 5 (33.33) |
| After RT | 0 (0.0) | 0 (0.0) | 5 (41.67) | 7 (41.67) |
| 6 months after RT | 0 (0.0) | 0 (0.0) | 3 (33.33) | 6 (66.67) |
1
Low risk, mutans streptococci counts <104 CFU/mL of saliva; moderate risk, mutans streptococci counts 104 - <105 CFU/ mL of saliva; high risk, mutans streptococci counts 105 - <106 CFU/mL of saliva; plaque overgrowth, mutans streptococci counts =106 CFU/mL of saliva;
a
Group IV: patients did not receive initial dental treatment.