Background: With regard to the increasing consumption rates of unhealthy beverages among adolescents, the main purpose of the present study was to determine the association between beverage intake pattern and dental caries and tooth erosion in this age group. Methods: A total sample of 600 adolescents was recruited in this study using a multistage cluster random sampling method in the city of Kerman, in the southeast of Iran, in 2017. Then, the Decayed, Missed and Filled Teeth (DMFT) index and the Tooth Wear Index (TWI) were registered for each participant. A Beverage Frequency Questionnaire was also employed to estimate typical beverage intake frequency. Correspondingly, negative binominal regression and logistic regression were performed to determine the independent variables associated with the DMFT index and the TWI. Results: The findings revealed that the highest consumed beverage in daily living was tea in both genders, followed by sweetened soft beverages, as well as milk and kefir/yogurt drink. The results of the DMFT index were also significantly different in participants that had never consumed milk compared with those who had used milk on a daily basis. Moreover, the DMFT index in participants who had never consumed sweetened soft beverages was 39%, less than those who had had a daily intake of such beverages. Also, the chance of tooth erosion for participants who had never used sweetened soft beverages was 94%, lower than that in daily consumers. Conclusions: The results of this study revealed that adolescents had an unhealthy beverage intake pattern. Furthermore, milk consumption was beneficial to dental caries, whereas use of soft drinks associated with more dental caries and tooth erosion.

Objective The aim of this study was to determine the relationship between Oral Health Related Quality of Life (OHRQoL) and general health‐related quality of life (GHRQoL) in partially edentulous patients before and after implant placement. Material and methods After obtaining informed consent, using convenient sampling method, 102 participants (64 female and 38 male participants with an age range of 18–81 years) were included in the study. Participants were required to fill EuroQol‐5D (EQ‐5D) and the Oral Health Impact Profile‐14 (OHIP‐14) questionnaire before implant surgery and three months after prosthetic placement. Data were not normally distributed, so non‐parametric tests were used for data analysis. Results Data analysis was carried out on 93 participants. After implant treatment, Visual Analogue Scale (VAS) and EQ‐5D score significantly increased by 0.05 and 0.06 units, respectively (p < .001 and p = .004, respectively). Also, the total OHIP‐14 score significantly decreased from 15.89 to 6.18 after implant treatment (p < .001). Conclusion Results indicated an increase in general and oral health‐related quality of life after implant treatment. According to this study, there was a positive weak relationship between GHRQoL and OHRQoL before and after implant treatment.

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Aim: The objective was to determine the frequency pattern and nutritional quality of breakfast and snacks in Iranian adolescents and to investigate these dietary habits in relation to tooth decay and tooth erosion. Methods: A multistage cluster random sampling method was adopted to recruit 600 adolescents with equal sex distribution in the city of Kerman/southeast of Iran. Decayed, Missing and Filled Teeth (DMFT) and Tooth Wear Index (TWI) were recorded for each subject. Snacking and breakfast quality, frequency of snacking and regular/irregular use of main meals were also recorded. Poisson regression and Firth's bias-reduced penalized-likelihood logistic regression were used for data analysis. Results: DMFT score of adolescents who consumed low-quality snacks were 1.13 times more than those who consumed high-quality snacks. Regular use of all three main meals was associated with a lower DMFT score. DMFT score of adolescents who did not have regular use of breakfast was 1.19 times more than those who consumed breakfast on a regular basis. Also, regarding adolescents who had an irregular use of lunch, the DMFT score was 1.3 times more than those who had a regular lunch schedule. In addition, participants with irregular dinner consumption had 1.24 times more DMFT scores compared to those with a regular dinner schedule. Conclusions: Regular breakfast consumption, decreased snacking occasions, use of higher nutritional quality snacks, and increased nutritional education are important in order to prevent a higher chance of dental caries and promote dental health status.

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