Research Article

Prevalence of First Permanent Molar Caries in and Its Relationship to the Dental Knowledge of 9–12-Year Olds from Jeddah, Kingdom of Saudi Arabia

Table 4

Caries status of the first permanent molar in relation to receiving advice from the dentist about cleaning their teeth after eating sugary foods or drinks ( 𝑁 = 2 2 2 ).

Did you receive advise from your dentist about cleaning your teeth? All molars sound One carious molar Two carious molars Three carious molars All molars cariousTotal
𝑁 % 𝑁 % 𝑁 % 𝑁 % 𝑁 % 𝑁 %

Yes12%1037828519282827100
No88%4523492557293117236195100

Total100%5525572662273316256222100

Chi-square ( 𝜒 2 ) = 8 . 9 6 , 𝑃 < 0 . 0 5 significant.