BackgroundSchool based oral health education through traditional lecturing has been found successful only in improving oral health knowledge, while has low effectiveness in oral hygiene and gingival health. The aim of this study was to evaluate the effectiveness of experiential learning (EL) oral health education to traditional lecturing (TL), on enhancing oral health knowledge, attitude and behavior as well as oral hygiene, gingival health and caries of 10-year-old children.MethodsEighty-four children were recruited for the EL and 100 for the TL group from 3 locations in Greece. Data regarding oral health knowledge, attitude and behavior were collected via questionnaires. Data regarding dental plaque, gingivitis and caries were collected by clinical examination. The evaluation using questionnaires and clinical examination was assessed at baseline and 6 and 18 months afterwards. Two calibrated pediatric dentists examined the students using a periodontal probe and artificial light. Modified hygiene index (HI) was used for dental plaque recording, the simplified gingival index (GI-S) was used for gingivitis and DMFT, based on BASCD criteria, for dental caries. Based on a dedicated manual, the teacher applied in the classroom the oral health educational program using EL.ResultsEL group had statistically significant better hygiene than the TL at 6 months (p < 0.05). Within the same group, both groups had enhanced oral health knowledge at 6 and 18 months (p < 0.05) and improved oral health behavior (p > 0.05) and attitude (p > 0.05) at 6 months in comparison to baseline.ConclusionEL program was found more successful than TL in oral hygiene improvement. Both oral health education programs improved the oral health knowledge, attitude and behavior of children.Trial registrationClinicalTrials.gov (NCT02320162).Electronic supplementary materialThe online version of this article (doi:10.1186/s12903-015-0036-4) contains supplementary material, which is available to authorized users.

The aim of this project was to compare the effectiveness of experiential learning (EL) and traditional lecturing (TL) school-based oral health education on the oral health knowledge, attitude, habits, oral hygiene, gingival health and caries incidence of 13-year-old Greek children. Eighty-seven children for the EL group and 80 for the TL group were selected from two areas of Greece. Information on oral health knowledge, attitude and behaviours were obtained using a questionnaire. Dental plaque was recorded using a modified hygiene index, gingivitis was assessed using the simplified gingival index and dental caries was measured by recording the number of Decayed, Missing and Filled teeth (DMFT) using the British Association for the Study of Community Dentistry (BASCD) criteria. All children were examined by two calibrated dentists, using a World Health Organisation (WHO) periodontal probe and artificial light. Questionnaires were delivered and clinical examinations were performed at baseline and at 6 and 18 months post-intervention. The EL oral health educational programme was implemented by teachers using the programme's manual. Oral health knowledge had improved significantly (P < 0.001) in both groups at 6 and 18 months post-intervention. Oral health behaviour (P < 0.001) and attitude (P < 0.05) had improved significantly at 6 months, and oral hygiene and gingival health had improved significantly at both 6 (P < 0.001) and 18 (P < 0.05) months for the EL group. Lower caries incidence was recorded for the EL group, 18 months post-intervention (P < 0.05). School-based oral health EL for adolescents was found to be more effective than TL in improving oral health attitude and behaviour at 6 months, in improving oral hygiene and gingival health at both 6 and 18 months and in reducing caries incidence 18 months post-intervention.

Background This systematic review summarizes the prevalence of dental defects after chemo and radiation therapy and correlates the findings with specific characteristics of each treatment modality. Methods Database search was performed for studies reporting dental late effects of chemo and radiation therapy. After data extraction and risk of bias assessment, prevalence of crown and root defects was assessed. Correlations between each defect and the characteristics of the antineoplastic treatment were performed. Results Sixteen nonrandomized studies were included, yielding a total of 1300 patients with a mean age at diagnosis of 4.5 years. Results reported that root defects were more common than crown defects. The most common root defect was impaired root growth and microdontia the most common crown defect. Age, radiation dose and field were statistically associated with higher prevalence of dental defects. Conclusion Defects were associated with combination of chemotherapy and radiotherapy, as used in current therapeutic antineoplastic modalities.

BackgroundMolar-incisor Hypomineralisation (MIH) is considered as a global dental problem. There is little knowledge of general dental practitioners (GDPs) and dental specialists (DSs) about this condition in different parts of the world, particularly in Gulf Cooperation Council (GCC) countries. Hence, this study has been carried out to assess the knowledge of GDPS and DSs in Kuwait about MIH condition, its clinical presentation and management. Findings would help national school oral health program (SOHP) to promote good oral healthcare.MethodsA structured questionnaire was distributed to 310 attendees of the 18th Kuwait Dental Association Scientific Conference, Kuwait. Data concerning demographic variables, prevalence, diagnosis, severity, training demands and clinical management of MIH were collected.ResultsA response rate of 71.3% (221/310) was reported. 94% of respondents noticed MIH in their practice. Yellow/brown demarcation has been observed as a common clinical presentation (> 50%). Almost 10–20% of MIH prevalence has been reported by the participants. Resin composite was the dental material often used in treating MIH teeth (~ 65%), and fewer than half would use it for treating moderately affected molars. Most respondents would use preformed metal crowns for severe MIH (63%). Dental journals were the information source for DSs; whereas, the internet was the information source for GDPs. Child’s behaviour was the main reported barrier for treatment of MIH affected children. Many GDPs felt unconfident when diagnosing MIH compared to dental specialists. Respondents supported the need to investigate MIH prevalence and to receive a clinical training.ConclusionsMolar incisor hypomineralisation is a recognised dental condition by practitioners in Kuwait. Yellow/brown demarcated opacities were the most reported clinical presentation, and the composite resin was the most preferred dental material for restoring MIH teeth. Most GDPs and dental specialists would use preformed metal crowns for severely affected molars. GDPs reported low levels of confidence in MIH diagnosis which necessitates conducting continuing education courses to provide high- quality dental care for children with MIH.

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Cariogenic bacteria were present in almost all young children. Soft tissues, saliva, and tongue were more often colonized by cariogenic streptococcal species than teeth. These surfaces may serve as reservoirs for oral pathogens, requiring attention during preventive interventions.

Overall, there was strong evidence that proximal caries lesion progression was less likely to occur in permanent teeth following treatment with resin infiltration plus oral hygiene measures as compared to non- invasive methods (oral hygiene instructions) for follow up 18 months to 2 years (3 studies: OR = 0.14; 95% CI: 0.08, 0.25; P < 0.001) as well as 3 years (4 studies: OR = 0.15; 95% CI: 0.06, 0.36; P < 0.001). The quality of the evidence was rated as moderate to low respectively.

The LF device presented high reliability in the detection of occlusal caries in primary teeth and its performance was similar to DV and radiographic examinations.