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Objective: To investigate the association between caries experience and school performance among children and adolescents living in an island community without fluoridated water supply and to compare data according to the type of attended school (full-time or part-time). Material and Methods: A crosssectional oral health survey in a convenience sample of students (n=147) attending four public schools was performed. Students were examined by one calibrated dentist in the school environment to the obtain prevalence of dental caries (DMFT/dmft) and its consequences using the PUFA/pufa index. Self-reported oral health behavior was also accessed. Data from each student's school performance and absenteeism were extracted from official sources and the school performance was classified into "good" and "fair". The final sample consisted of 120 students. Descriptive statistics, Mann-Whitney, Kruskal-Wallis, chi-square tests and binary logistic regression were performed to evaluate collected data. Results: Students´ age ranged between 5 to 19 years (10±4.3). DMFT/dmft mean were 1.3 (±2.3) and 3.05 (±3.4), respectively. Conclusion: Participants from the full-time school presented better oral health status than their peers in the part-time schools (p<0.05). A significant association was found between the prevalence of caries-free participants and good school performance when the factor age range was controlled (OR=2.87). Moreover, attendance to full-time schools appeared to be a protective factor for good oral health conditions.

The study aimed to evaluate the effect of tongue-scraping procedures as part of an oral hygiene education program on patients with fixed conventional orthodontic appliances who were affected by oral malodor. Methods: A sample of 40 fixed-orthodontic patients (14 to 18 years old) was recruited in a private dentistry office. Participants were included in an oral-hygiene education program, and then data were collected, based on interviews, tongue coating detection, and halitosis measurement. After 27 days, these parameters were evaluated again. Data normality was evaluated by the Shapiro-Wilk test for the quantitative variables. The difference between before and after the education intervention was tested by the McNemar test, the Kappa statistic for the categorical variables, and the Wilcoxon test for the quantitative variable. Significance was determined at a 5% (α=0.05) confidence level. Results: The oral hygiene program applied to orthodontic patients positively impacted on halitosis self-perception, oral malodor measurement (75%), and tongue coating score (100%). Conclusions: The oral hygiene program, including tongue-scraping procedures, reduced bad odor among orthodontic patients.

Objec&ve:To determine whether individuals with skeletal discrepancies of Class II or III display a higher frequency of dental anomalies in comparison with individuals with Class I malocclusion. Design: A systematic search of the main electronic medical scienti2ic literature databases was conducted. Observational studies were selected if mentioning dental anomalies in the different skeletal malocclusion patterns. Results: A total of 4,768 studies were found and the duplicated studies (1,279) were removed, resulting in 3,489 papers to be analyzed. After screening by title, 138 were 2it for screening by abstract. After that, a total of 13 papers were carefully read in full. Five studies included dental anomaly frequencies in orthodontic patients and included 7,679 participants. The frequency of dental anomalies ranged from 11.2% to 40.3%. It was observed that individuals with skeletal discrepancies of Class II and III had more dental anomalies when compared to individuals with Class I. Conclusion: Individuals with skeletal malocclusion patterns have more dental anomalies and there is an association between dental anomalies and skeletal Class II or Class III malocclusion patterns. Cita%on: Fernandez CCA, et al. (2020) Dental anomalies in orthodon&c pa&ents with and without skeletal discrepancies. Den5stry 3000. 1:a001

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