TABLE 2.

Distribution of Smoking Parents by Score of Melanin Pigmentation in the Gingiva of Their Children According to Observations of Two Examiners

ExaminerScore of Pigmentation*Smoking Status of Parents, n (%)Total
NonsmokingSmoking
A011 (65)6 (35)17
13 (18)14 (82)17
29 (36)16 (64)25
1 and 212 (29)30 (71)42
B09 (65)4 (35)13
16 (18)13 (82)19
28 (36)19 (64)27
1 and 214 (30)32 (70)46
Total23 (39)36 (61)59
  • * Scores of pigmentation: 0, no pigmentation; 1, solitary unit(s) of pigmentation in papillary gingiva without extension between neighboring solitary units; 2, formation of continuous ribbon extending from neighboring solitary units.