Investigation and analysis on the oral health knowledge and behavior of 12-year-old schoolchildren in Chongqing / 重庆医科大学学报

ABSTRACT

Objective:To investigate and analyze the oral health knowledge and behavior of 12-year-old schoolchildren in Chongqing.Methods:Based on"The Guidline for the Third National Oral Health Survey",a stratified equal-sized randomly sampling design was applied to obtain 359 objects aged at 12 years old who were responded to questionnaire on oral health knowledge and behavior.Results:Above 70% children had positive attitudes towards some oral health knowledges,while only less than 50% children could grasp knowledge about gingival bleeding.Most children could not take correct measure about gingival bleeding and toothache,and only brushed teeth once a day.Some children did not insist in brushing teeth everyday.The children living in the urban show higher percentages of positive attitudes to some basic oral health knowledge and toothbrushing than those living in the rural(P