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BACKGROUND:The coastal region is the largest region in Indonesia as a country of the archipelago. Characteristics of groundwater content in coastal areas are very influential on dental health, especially dental caries. The main elements contained in 1-1000 mg/litre groundwater are calcium, magnesium, sodium, potassium, chlorine, bicarbonate, and sulfate groups. Calcium is an essential ingredient for living organisms that play a role in the formation of bone and tooth along with permeability of cell walls.AIM:This study aimed to analyse the relationship between calcium in groundwater with dental caries.METHOD:Analytical observational study with cross-sectional approach was implemented was coastal communities in Watu Ulo Jember Regency in February 2018 (3,686 inhabitants), with sample criteria of the minimum age of 12 years and consumed groundwater as drinking water at least 2 years by purposive side. The variables in this study were calcium levels as the independent variable and dental caries as the dependent variable. Calcium was measured using the spectrophotometric method. Caries measurements were performed using the DMF-T index. Data were presented descriptively in the table and analysed by Spearman Correlation test to analyze the relationship between groundwater calcium with dental caries.RESULTS:Average groundwater calcium content was 126.75 mg/litre (high category), and average dental caries was 2.2 (low category). Spearman correlation analysis showed p = 0.029 (p < 0.000), which means there was a correlation between groundwater calcium level with dental caries.CONCLUSION:There is a positive relationship between the calcium content of groundwater with dental caries.

Background. Human immunodeficiency viruses (HIV) / Acquired immunodeficiency syndrome (AIDS) is one of the most significant public health challenges in Surabaya, Indonesia where the greatest number of people living with HIV/AIDS (PLWHA) among key populations is in areas served by Sememi Public Health Center. HIV-infected persons have a greater risk for developing dental caries, such as salivary gland enlargement, and decreased salivary glands function. Given the fact that PLWHA are at high risk of dental caries, utilization of dental health service among PLWHA are still low. Objective. This study aims to know the factors influencing dental caries in HIV/AIDS patients.Methods. This is a descriptive, cross-sectional study conducted on 16 HIV-seropositive individuals. They were asked to complete a WHO questionnaire concerning basic oral health and quality of life. Dental caries was assessed using the Decayed, Missing, and Filled Teeth (DMFT) index. Whole stimulated saliva samples were also collected.Results. Nine out of 16 respondents had low salivary flow rate (56.3%). One patient had low DMF-T score (6.3%) and eight had high DMFT score (50%). Among seven respondents who had normal salivary flow rate (43.8%), two of whom had low DMFT score (12.5%) and five of whom had high DMFT score (31.3%).Conclusion. People living with HIV/AIDS have high DMFT and low salivary flow rate.

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BackgroundMaintaining proper oral hygiene has an influence on oral health. Religious obedience may influence individual behavior. According to Islamic religious guidance, as recommended by an Islamic role model, it is obligated to maintain oral health and the recommended tool to use is miswak.PurposeTo describe miswak users’ behavior based on the theory of planned behavior.Subjects and methodsThe population of this study was the students of As-Salafi Al-Fitrah Islamic Boarding School who used miswak regularly and were healthy physically and mentally. One hundred and nine samples were chosen randomly and asked to complete a semi-open and a closed-ended questionnaire.ResultsPerceived behavioral control had the most dominant influence toward improving intention with β=0.211 and p<0.05. In contrast, attitude and subjective norms had less influence toward improving intention with β=0.190 and p>0.05, and β=0.164 and p<0.0001, respectively. Meanwhile, perceived behavioral control showed direct correlation toward action in model parameter with β=0.445 and p<0.0001.ConclusionPerceived behavioral control is the most dominant predisposing factor in increasing intention and attitude of miswak use.