Objective To evaluate the level of oral malodor and its relationship with oral hygiene behaviors,oral health status,general health status and living habits of adolescents in Rizhao of Shandong. Methods A total of 648 12-year-old adolescents in Rizhao City were selected by stratified cluster random sampling method.The questionnaire survey and clinical examination were conducted,and SPSS software was used for statistical analysis. Results 26.85% of teenagers have oral malodor.Whether to brush teeth (χ2=7.537,P=0.006),number of teeth brushing (χ2=16.775,P=0.001),brushing method (χ2=11.341,P=0.023),whether to use toothpaste (χ2= 11.32,P=0.003),whether to brush the back of tongue (χ2=8.921,P=0.030),gender (χ2=6.096,P=0.014) and respiratory diseases (χ2=30.768,P=0.001),digestive system diseases such as esophagus and stomach (χ2=29.734,P=0.001),diabetes and other endocrine diseases (χ2=17.484,P=0.001),gingival bleeding (χ2= 5.596,P=0.018),tongue coating area (χ2= 4.238,P=0.040) had statistical significance in oral health status (P<0.05).Logistic regression analysis showed that: do not use toothpaste when brushing teeth (OR=0.130,95% CI:0.240-0.703),respiratory diseases such as nasopharynx and throat (OR=0.178,95% CI:0.101-0.312),digestive system diseases such as esophagus and stomach (OR=0.129,95% CI:0.066-0.252),endocrine diseases such as diabetes (OR=0.019,95% CI: 0.002-0.161),gingival bleeding (OR=0.646,95% CI:0.434-0.963),calculus (OR=0.619,95%CI:0.412-0.930),the area of tongue coating (OR=0.571,95% CI:0.383-0.851) were the risk factors of oral malodor. Conclusion Oral hygiene behavior,oral and physical health status are the factors that affect teenagers' bad breath.
Key words
Adolescents /
Oral malodor /
Oral hygiene behavior /
Oral health status /
Overall health status
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