This study documented the reliability of oral swabbing when investigating yeast carriage in healthy denture wearers. Moreover, just a diagnostic tool, sampling upper dentures for Candida could be the opportunity to verify the patient's compliance to hygiene advice.

Beta-tricalcium phosphate, WMTA and WPC in primary pig teeth are as effective as Ca(OH)(2) in primary pig teeth capping.

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Background: Dental anxiety is a psychological response inducing aversion following a dental ill-defined stimulus, non-imminent and perceived as potentially dangerous. It is better to intervene during childhood than to resolve in adulthood when dental anxiety is more settled. Aim: The purpose of this study is to determine the nature of dental anxiety-provoking stimuli in young patients. Design: A questionnaire was submitted to 566 children between 3 to 18 years in health institutions and schools in Brussels, Belgium. The items were divided into 3 groups: environment (ENV), local anaesthesia (LA), and intervention (INT) and summarized through averaging per group. Descriptive analysis and non-parametric testing were combined with logistic regression after discretization, above mild, for the group averages. Results: About 7.2% of the respondents expressed high to severe dental anxiety.Several items presented a clear bimodal distribution dividing the population in fearless and fearing patients, for example, sight and feel of the syringe, sight and taste of blood and extraction. Others presented with a gradually lower incidence with increasing fear level. Fear for the environment was generally low. Gender and ethnic origin contribute significantly to the prediction of fear caused by LA. For fear caused by INT, first the place of questioning enters the models, thereafter follow: negative experience, frequency of dental visit, and gender (P < .05). Conclusions: While the dental environment is in general not causing fear, the invasive part of the anaesthesia and the invasive dental procedures are involved. Fear seems to be related to culture, previous experience, and gender. K E Y W O R D Schild, dental anxiety, etiology, pediatric dentistry, stimuli

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Background: The establishment of the dental dam improves dentist working conditions and patient protection. The purpose of this study was to analyze the behavior of the child during dental care with or without a dam. Methods: In this interventional randomized study, 51 patients are divided into two groups, one with a rubber dam and the other with cotton roll isolation. Their behavior was observed during the treatment of temporary molars. The duration of the treatment, the patient’s feeling with a visual analogue scale (VAS), the behavior (B) of the child measured with a hetero-evaluation scale (modified Venham scale) and the cardiac frequency (CF) were measured. Results: The group treated with a rubber dam has a significant decrease in the various stress parameters that have been identified (B, p value = 0.034; CF, p value = 0.015). Subgroups of patients with and without nitrous oxide sedation were compared and similar results were obtained. Conclusions: Isolation with a rubber dam reduces child’s stress during dental care. Although it is slightly more time-consuming and training is necessary for a quick and effective placement, it allows dentists to perform dental care in the best possible conditions, while reducing dental anxiety in young patients.

Purpose Conscious sedation by inhalation of a mixture of nitrous oxide and oxygen (CS) is a technique used in dental care for anxious, handicapped or uncooperative patients. The very special objective of this cohort study is to compare the behaviour of young patients during dental care under CS in two hospitals using different gas distribution systems. Methods Young patients were divided into four categories: young child (YC), phobic anxiety (PA), mental disorder (MD), occasional indication (OI). Differences in behaviour scale at various time points according to the sedation system used were established and compared using Mann–Whitney tests. Results This study showed that there is no difference in behaviour during dental care in YC after sedation. In PA, a significant difference in behaviour is only observed during local anaesthesia ( p = 0.024). Conclusion No significant differences detected in children’s behaviour under conscious sedation using different gas administration systems. The delicate stage of local anaesthesia in PA patients can be facilitated with repeated sessions of dental care under conscious sedation. Electronic supplementary material The online version of this article (10.1007/s40368-020-00569-z) contains supplementary material, which is available to authorised users.

Background: The establishment of the dental dam improves dentist working conditions and patient protection. The purpose of this study was to analyze the behavior of the child during dental care with or without a dam.Methods: In this interventional randomized study, 51 patients are divided into two groups, one with a rubber dam and the other cotton roll isolation. Their behavior was observed during the treatment of temporary molars. The duration of the treatment, the patient's feeling with a visual analogue scale (VAS), the behavior (B) of the child measured with a hetero-evaluation scale (modified Venham scale) and the cardiac frequency (CF) were measured.Results: The group treated with a rubber dam has a significant decrease in the various stress parameters that have been identified (B, p value = 0,034; CF, p value = 0,015).Subgroups of patients with and without nitrous oxide sedation were compared and similar results were obtained. Data were compared within groups using paired tests and between groups using unpaired tests. Differences between time points were compared to 0 by a one-sample test. Categorical data (Venham scale, VAS) were analyzed using non-parametric tests.Conclusions: Isolation with a rubber dam reduces child’s stress during dental care. Although it is slightly more time-consuming and training is necessary for a quick and effective placement, it allows to perform dental care in the best possible conditions, while reducing dental anxiety in young patients.Trial registration: Retrospectively registered 39217 in ISRCTN Register (London, UK) with ISRCTN15046229. The first registration was made on 07/01/2021.