Although, the studies on correlation between saliva cortisol concentrations and free levels of this hormone in blood samples are lacking, salivary cortisol offer a novel approach in research of stress biomarkers with its ease of collection and potentially wide scope for application.
Introduction As non‐carious cervical lesions (NCCLs) may compromise aesthetics and function, knowledge of their aetiological covariables enhances management of clinical complaints and success of restorative treatments. Aims The primary aim of this study was to assess the presence of NCCLs among the general population of the Republic of Srpska, Bosnia and Herzegovina and the potential association with patient‐related risk factors. Methods A prevalence study of NCCLs included 738 respondents from eight towns/municipalities. Two dental practitioners examined all respondents. NCCLs were diagnosed according to the Smith and Knight tooth wear index, measured using a Williams periodontal probe. Data regarding risk factors were obtained through a structured questionnaire. Multivariate logistic regression was used to analyse the association of risk factors and the occurrence of NCCLs. Results Non‐carious cervical lesions were diagnosed in 384 (52%) respondents. Multivariate regression analysis showed that several variables were independently associated with the risk of developing NCCLs, including frequent consumption of acid food (P = 0.001), frequent consumption of acid drinks (P = 0.001), retaining drink in the mouth (P = 0.001), alcohol consumption (P = 0.030), bruxism (P = 0.018) and gastro‐oesophageal reflux (P = 0.023). First mandibular premolars were the most affected teeth (left: 46.0%; right: 44.0%), followed by the second right maxillary premolars (37.3%), second left maxillary premolars (33.6%) and finally by the first right maxillary premolars (34.0%). Conclusion The results of the current study suggest that NCCLs occur frequently and have a multifactorial aetiology. The lowest prevalence was recorded among individuals younger than 20 years of age. As the majority of risk factors are modifiable, regular dental care could lead to the early detection of NCCLs.
TMD-related chronic pain grade, masticatory dysfunction, and depressive symptoms and somatization are the highest when the estrogen level is the lowest.
Acrylic based resins are frequently used in daily dental practice. The most common use of the materials includes denture bases and denture liners, temporary crowns and orthodontic appliances. In the mouth, properties and functional efficiency of applied acrylic resins depend on internal factors related to the methods and conditions of polymerization and on external factors that are related to the environment in which the material is placed. Residual monomer, which is released as a result of interaction of both sets of factors is often associated with irritation, inflammatory and allergic reactions of oral mucosa. The aim of this paper is to review literature dealing with the conditions of polymerization and biodegradation of acrylic resins under certain conditions in the oral cavity and their impact on oral health (reviewed literature available on Medline database during the past two decades.) Conclusion: Methods and conditions of acrylate polymerization, on the one hand, and properties of saliva, chewing and the presence of microorganisms in the oral cavity, on the other hand, can be considered responsible for the release of residual monomers. Clinically significant events followed by redness and erosion of the oral mucosa, burning sensation and burning mucosa and tongue, may be due to the effects of released, potentially cytotoxic, residual monomers.
introduction/objective Temporomandibular disorders (TMD) are characterized by the appearance of musculoskeletal pain and dysfunction of the masticatory system. The aims of this study were to evaluate the salivary cortisol levels in students with chronic myofascial pain (MFP) related to TMD during oral exam, as well as to analyze the correlation between salivary cortisol levels, TMD-related MFP, the level of anxiety, depression symptoms, somatization, and perceived stress. Methods The study included 60 university students, who were allocated either into the group of students with MFP (n = 30) or into the control group of healthy students (n = 30). The level of salivary cortisol was measured on the exam day and during the control day when the students had no exams. Depression symptoms, somatization, perceived stress and anxiety were evaluated according to Axis II RDC/TMD, Perceived Stress Scale and State-Trait Anxiety Inventory. results Levels of salivary cortisol were significantly higher in the group of students with MFP in all phases of measurements compared to the control group (p < 0.01). Students with MFP also showed significantly higher depression symptoms, somatization, and trait anxiety scores than the control group. No significant group differences were found on the scales measuring state anxiety and perceived stress. The level of salivary cortisol was found to be in correlation with depression symptoms, state anxiety, and perceived stress, but not with chronic pain, somatization, and trait anxiety in students with TMD. Conclusion Salivary cortisol could be an important indicator of psychological distress in TMD.
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