Gender differences in immunological response of African-American juveniles with Grade C molar incisor pattern periodontitis.

BACKGROUND: Prevalence of Grade C molar incisor periodontitis (C/MIP) in females (F) and males (M) is controversial, although some studies suggest higher prevalence in females. The objective of this study was to evaluate differences in clinical parameters, and levels of cyto/chemokines in gingival crevicular fluid (GCF) and peripheral blood response. METHODS: GCF and blood were collected from 79 C/MIP African-American participants (53F and 26 M) and healthy controls (58F and 38 M), aged 5 to 23. Blood was stimulated with ultrapure LPS from Escherichia coli (Ec) and Porphyromonas gingivalis (Pg) and we quantified levels of 14 cyto/chemokines. Clinical parameters were collected before and 12 months following treatment RESULTS: No clinical parameters or age differences were found between males and females, although age was negatively correlated with response to treatment. GCF levels of TNFα, IFNγ, MIP1α, and MCP1 from diseased and sites and healthy sites IFNγ levels were higher in M (P < 0.05). C/MIP females presented higher Pg and Ec LPS induced levels of Eotaxin, IFNγ, and GMCSF (P < 0.05), whereas healthy males presented higher Ec LPS induced levels of Eotaxin and IFNγ (P < 0.05). Inflammatory profiles were also different among genders in disease (P = 0.004). CONCLUSIONS: Although males seemed to present few elevated inflammatory markers in the GCF in disease and in health, females presented an elevated systemic inflammatory response to LPS in disease, which indicates a possible differential susceptibility to inflammation. Future studies need to determine if sex hormones have a role in the peripheral host response and in the pathogenesis of C/MIP.

Protective Measures against COVID-19: Dental Practice and Infection Control.

The onset of the Coronavirus 2019 (COVID-19) pandemic has challenged the worldwide healthcare sector, including dentistry. The highly infectious nature of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus and risk of transmission through aerosol generating procedures has profoundly impacted the delivery of dental care services globally. As dental practices with renewed infection control strategies and preventive measures are re-opening in the "new normal" period, it is the responsibility of healthcare professionals to constantly analyze new data and limit the spread of COVID-19 in dental care settings. In the light of new variants of SARS-CoV-2 rapidly emerging in different geographic locations, there is an urgent need to comply more than ever with the rigorous public health measures to mitigate COVID-19 transmission. The aim of this article is to provide dental clinicians with essential information regarding the spread of SARS-CoV-2 virus and protective measures against COVID-19 transmission in dental facilities. We complied and provided guidance and standard protocols recommended by credible national and international organizations. This review will serve as an aid to navigating through this unprecedented time with ease. Here we reviewed the available literature recommended for the best current practices that must be taken for a dental office to function safely and successfully.

A patient-instructor program to promote dental students' communication skills with diverse patients.

This article describes the design and evaluation of a patient-instructor (PI) program that was developed to teach and assess dental student communication skills with patients, with an emphasis on cross-cultural patient encounters. The PIs were individuals from the community trained to portray specific simulated patients. One hundred eighteen dental students (three graduating classes) completed two half-day rotations that occurred in the junior year; seventy-nine of those students (two graduating classes) also completed a third rotation that occurred in the senior year. On each rotation, students worked with several simulated patients in mock clinic appointments. PIs used a standardized rating scale and case-specific content checklists to assess students' ability to elicit and provide essential information. Across counterbalanced cases, students improved as they progressed through encounters. Rate of improvement varied by rotation, but students improved most during their first rotation. Overall performance was best on the final rotation. Qualitative review of content checklist items indicated areas of strengths and weaknesses in communication regarding medical, dental, psychosocial, and cultural content. Results can direct curriculum changes to improve communication skills. Future research should address the effects of the PI program on students' diversity-related attitudes and behaviors.