Research Article
Effect of a Vibration System on Pain Reduction during Injection of Dental Anesthesia in Children: A Randomized Clinical Trial
| Factors | Group A (test group) | Group B (control group) | value |
| Sex | Male: n (%) | 12 (48.0) | 10 (38.5) | 0.49 | Female: n (%) | 13 (52.0) | 16 (61.5) |
| Age | Mean (SD) | 8.16 (1.40) | 7.83 (1.65) | 0.44 |
| Mother’s education | Less than high school: n (%) | 6 (24) | 5 (19.2) | 0.25 | High school: n (%) | 6 (24) | 12 (46.2) | University ad higher: n (%) | 13 (52) | 9 (34.6) |
| Father’s education | Less than high school: n (%) | 11 (44) | 14 (53.8) | 0.59 | High school: n (%) | 13 (52) | 10 (38.5) | University ad higher: n (%) | 1 (4) | 2 (7.6) |
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Mann–Whitney U-test used for age comparison; chi-square test used for all other comparisons.
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