Figure 2From: Relationship between betel quid chewing and radiographic alveolar bone loss among Taiwanese aboriginals: a retrospective study The adjusted means of radiographic alveolar bone loss adjusted by age, gender and plaque index. Significant pairs: †smoker and chewer with control group, ‡chewer with control group and ¶smoker and chewer with control group, p < 0.05.Back to article page