Impacts of educational interventions on the knowledge of prevention and emergency management of traumatic dental injuries in 11-17-year-old martial arts athletes: a randomized controlled trial.

PURPOSE: We compared the effect of an educational pamphlet and a mobile application regarding prevention and emergency management of sport-related traumatic dental injuries (TDIs) on knowledge and self-reported preventive practice of 11-17-year-old Karate and Taekwondo athletes. METHODS: Participants were invited through an online link published by the Public Relations of the corresponding federations. They completed an anonymous questionnaire consisting of demographics, self-reported experience of TDIs, knowledge of emergency management of TDIs, self-reported preventive practice of TDIs, and the reason for not using mouthguard. The respondents were randomly allocated to pamphlet or mobile application group with the same content. Three months after the intervention, the questionnaire was completed by the athletes again. Repeated measures ANOVA and a linear regression model served for statistical analysis. RESULTS: In pamphlet group, 51 athletes and in mobile application group 57 athletes completed both baseline and follow-up questionnaires. At baseline, the mean score was 1.98 ± 1.20 and 1.82 ± 1.24 (out of 7) for the knowledge and 3.70 ± 1.64 and 3.33 ± 1.95 (out of 7) for practice in the pamphlet and application group, respectively. In 3-month follow-up, the mean score of knowledge and self-reported practice was significantly higher compared to baseline in both groups (p < 0.001) with no statistically significant difference between the two groups (p = 0.83 and p = 0.58, respectively). Most of the athletes were very satisfied or satisfied with both types of the educational intervention. CONCLUSION: Both pamphlet and mobile application seem to be useful to improve awareness and practice regarding TDI prevention in adolescent athletes.

Impact of smartphone application usage by mothers in improving oral health and its determinants in early childhood: a randomised controlled trial in a paediatric dental setting.

PURPOSE: Integration of smartphones has overcome barriers in traditional education; this trial aimed at exploring this ubiquitous platform in oral health education. A smartphone application promoting preschooler's oral health was designed and its effectiveness was compared with that of common oral health education delivered in paediatric dental settings. METHODS: This controlled clinical trial was performed on preschooler-mother dyads referring to the clinic of Tehran School of Dentistry in 2019-2020. Initially, the dyads were randomly partitioned to application intervention or common training groups. The mothers answered an interviewer-administered questionnaire on paediatric dentistry knowledge, attitude and practice regarding children's oral health; modified plaque index (m-PI) and modified gingival index (m-GI) of children were measured. Subsequently, the smartphone application was installed for application intervention group and an educational pamphlet and verbal explanations were given to common training group. In 1-month and 3-month follow-ups, the questionnaires and clinical measurement were re-done. A generalized estimating equation (GEE) was used to investigate the effect of training methods. RESULTS: Among the participants 51 dyad attended baseline and follow-up assessments. The preschoolers mean age was 4.6 ± 1.2 years and 54.4% were girls. Both trainings improved mothers' knowledge and practice regarding children's oral health and reduced children's m-PI and m-GI (p < 0.050). The 3-month follow-up revealed a better m-GI in application intervention group (p < 0.001). CONCLUSIONS: Considering the greater improvement of paediatric gingival status in the application intervention group, it appears that smartphone applications may provide a promising tool for more prolonged impacts in children oral health care. TRIAL REGISTRATION: IRCT, IRCT20131102015238N3. Registered 28 July 2019 https://en.irct.ir/trial/40933.

Dental fear and its determinants in 7-11-year-old children in Tehran, Iran.

AIM: To assess dental fear and its determinants in 7-11-year-old children. METHODS: In this cross-sectional (descriptive-analytical) study, the standard Persian version of the Children's Fear Survey Schedule-Dental Subscale (CFSS-DS) questionnaire was completed by 240 parent-child (children aged 7-11 years) pairs referred to dental clinics in Tehran city, Iran. Background characteristics were also inquired. RESULTS: An equal number of boys and girls participated in the study. The mean score of fear among the children was 21.66 ± 8.33. The causes of fear among the children were, first, injection, and then, seeing the dentist's drill, choking feeling, and finally, filling the tooth. There was a significant correlation between the scores of children's dental fear and their experience of meeting with the dentist (p = 0.001). The result of the regression test showed that the age of the children (p = 0.022) and high levels of dental fear among their fathers (p < 0.001) was related to high levels of dental fear among the children. CONCLUSIONS: The present children revealed a moderate level of dental fear. Taking children's age into account in behavioural management and challenging father's fear seemed to play a key role to reduce the child's fear and prevent its long-term consequences.

Evaluation of Microleakage in Composite-Composite and Amalgam-Composite Interfaces in Tooth with Preventive Resin Restoration (Ex-viva).

OBJECTIVE: This study addresses the question of whether conservative methods of restoration may be applied efficaciously in permanent posterior teeth with proximal lesions and intact occlusal preventive resin restoration (PRR). The purpose of the present study was to assess the microleakage at amalgam-composite interface and composite-composite interface in permanent tooth with PRR. MATERIALS AND METHODS: Thirty-five premolar teeth extracted for orthodontic reasons were selected. The occlusal surfaces were sealed as preventive resin restoration. Then the teeth were stored in incubator for 6 months. After this period, two single boxes were prepared in mesial and distal surfaces in each tooth and filled with amalgam. Another class I composite restoration was prepared in occlusal surface in contact with the first PRR. Then samples were thermocycled and marginal leakage was assessed by the degree of dye penetration on sections of the restored teeth. Friedman and Wilcoxon signed-rank tests served for statistical analyses. RESULTS: In 51.4% of amalgam-composite interfaces the dye reached the pulpal wall. The corresponded figures for amalgam-tooth and composite-composite interfaces were 31.4% and 14.3%, respectively. The differences in microleakage among the three interfaces were statistically significant (P<0.05). CONCLUSION: In the teeth restored with PRR technique, restoring proximal lesions with a conservative technique may lead to favorable results concerning microleakage.

Attitude towards preventive dentistry among Iranian senior dental students.

OBJECTIVE: To investigate attitudes of Iranian senior dental students towards preventive dentistry in relation to their background factors and self-perceived competency in providing preventive care. MATERIALS AND METHODS: In spring 2008, a questionnaire survey was conducted with all the senior dental students of seven randomly selected state dental schools in Iran. In addition to the respondents' age and gender, the voluntary questionnaire assessed the students' attitudes towards preventive dentistry by means of a seven-point semantic differential scale of nine qualities and their opposites, and their self-perceived competency in providing preventive care by five separate questions. To identify the underlying dimensions for attitude, a factor analysis with principle component method and varimax rotation was applied. Independent sample t-test served for statistical analysis. Of the 242 students receiving the questionnaire, 182 students (75%) responded. The mean age of the participants was 26 years and 42% of them were men. RESULTS: Based on the factor analysis, which explained 60% of the total variance, two attitude dimensions were identified; the profession-related dimension and the health service-related dimension. Competency in giving preventive care in all the five specified areas was reported by 44% of the students with no significant gender differences. The mean for the dentist-related dimension was significantly higher among the students who reported competency in giving preventive care (P=0.005). CONCLUSION: There is room for improvement in senior dental students' attitudes towards preventive dentistry. In order to create more positive attitudes for future dental professionals, there should be an early and sufficient exposure to preventive aspects of dentistry in the dental curricula.

Saffron in the treatment of patients with mild to moderate Alzheimer's disease: a 16-week, randomized and placebo-controlled trial.

WHAT IS KNOWN: Herbal medicines have been used in the treatment of behavioural and psychological symptoms of dementia but with variable response. Crocus sativus (saffron) may inhibit the aggregation and deposition of amyloid ß in the human brain and may therefore be useful in Alzheimer's disease (AD). OBJECTIVE: The goal of this study was to assess the efficacy of saffron in the treatment of mild to moderate AD. METHODS: Forty-six patients with probable AD were screened for a 16-week, double-blind study of parallel groups of patients with mild to moderate AD. The psychometric measures, which included AD assessment scale-cognitive subscale (ADAS-cog), and clinical dementia rating scale-sums of boxes, were performed to monitor the global cognitive and clinical profiles of the patients. Patients were randomly assigned to receive capsule saffron 30 mg/day (15 mg twice per day) (Group A) or capsule placebo (two capsules per day) for a 16-week study. RESULTS: After 16 weeks, saffron produced a significantly better outcome on cognitive function than placebo (ADAS-cog: F=4·12, d.f.=1, P=0·04; CDR: F=4·12, d.f.=1, P=0·04). There were no significant differences in the two groups in terms of observed adverse events. WHAT IS NEW AND CONCLUSION: This double-blind, placebo-controlled study suggests that at least in the short-term, saffron is both safe and effective in mild to moderate AD. Larger confirmatory randomized controlled trials are called for.

Smoking and its determinants among Iranian dental students.

OBJECTIVE: The objective of the present study was to investigate smoking habits of Iranian dental students in relation to their background characteristics and oral self-care (OSC). SUBJECTS AND METHODS: A survey in the form of a questionnaire was conducted of 327 senior dental students in seven randomly selected state dental schools in Iran. In addition to smoking habits and background characteristics, the students were asked about OSC. A recommended level of OSC was defined as a combination of brushing at least twice a day, frequent use of fluoridated toothpaste, and eating sugary snacks less than daily. Logistic regression models were used to estimate odds ratios (ORs) and 95% confidence intervals (CIs). A total of 263 students (113 males and 150 females) completely answered the questions and were included in the analyses. RESULTS: Of the 263 students, 59 (23%, 37 males and 22 females) reported current smoking (cigarette, pipe, or water pipe). Current smoking was associated with male gender (OR = 2.9, 95% CI = 1.4-5.6), level of father's education (OR = 1.4, 95% CI = 1.1-1.8), and OSC (OR = 4.4, 95% CI = 1.3-14.9). CONCLUSION: Smoking among Iranian dental students is similar to their socioeconomic group, and is associated with the characteristics of their background, such as gender and father's level of education, as well as the quality of OSC. The results indicate a need to include smoking cessation education and public health activities in the dental curriculum to provide future health care professionals and role models for patients with adequate training in up-to-date patient management to control smoking.