Abstract: The purpose of this study is to examine the general characteristics of local adults and the impact of objective and subjective oral health status on oral health-related quality of life. A survey has been conducted with patients at the scaling center of the dental hospital. Including research study of oral health written by the dental hygienist. A total of 305 questionnaires have been analyzed except for the questionnaires with insincere answers. The collected data have been analyzed by R project program. Based on them, frequency, cross, the mean and standard deviation, t-test and multiple linear regression analysis have been conducted. The average level of oral health related quality of life was 3.75 out of 5, the average level of simplified oral hygiene index was 2.30 out of 5. Also, the average number of natural teeth was 26.73 except for third molars, the average number of missing teeth was 2.48 and the average number of implants was 2.52. Diagnosis (gingivitis, periodontitis), the number of missing teeth and the number of natural teeth make significant differences in oral health related quality of life (p<0.05). As result of the study, it was shown that oral health related quality of life was decreased by more chewing difficulty and more pronunciation difficulty. Whereas it was increased by more natural teeth and less scaling fear. In conclusion, it has been confirmed that negative subjective awareness of dental health status and critical oral symptom had a negative effect on oral health related quality of life. Moreover, the result is that subjective oral symptom has been a major influential factor in oral health related quality of life.
Young Jin Eun, Moo-Sik Lee, Hye-Jeong Hwang, Hwa-Soo Koong and Kyung Hee Kang, 2017. Factors Related to Oral Health-Related Quality of Life. Journal of Engineering and Applied Sciences, 12: 3133-3136.