Oral Biology and Oral Pathology Commons^™

Perceived Stress, Severity Of Xerostomia, And Periodontal Status In Undergraduate Dental Students, Engku Ahmad Muzhaffar, Zurairah Berahim, Norsila Abdul Wahab, Norkhafizah Saddki

Journal of Dentistry Indonesia

Dentistry is a highly stressful program; stress is associated with xerostomia and periodontal disease.

Objective: This study aims to investigate the association of perceived stress, severity of xerostomia, and periodontal status in dental students.

Methods: This was a two-phase cross-sectional study of 245 Universiti Sains Malaysia (USM) undergraduate dental students. Phase 1 involved administration of the Perceived Stress Scale (PSS-10) and Summated Xerostomia Inventory (SXI). In phase 2, the Community Periodontal Index (CPI) was performed on 150 students to determine their periodontal status.

Results: Mean PSS-10 and SXI scores were 19.6 (SD 5.47) and 7.9 (SD 2.04), respectively. …

Antibacterial And Antibiofilm Efficacy Of Pineapple Hump (Ananas Comosus) On Porphyromonas Gingivalis In Vitro, Abdul Gani Soulissa, Billy Lombardo, Armelia Sari Widyarman

Journal of Dentistry Indonesia

Background: Periodontal disease is one of the most prevalent oral health problems in Indonesia that affects supporting tissues of the teeth. Porphyromonas gingivalis plays an important role in the pathogenesis of periodontal disease. Alternative therapy with natural plant extracts, including pineapple (Ananas comosus) hump extract may inhibit the growth of bacteria that cause periodontal disease. Objective: To determine the effect of pineapple hump extract on bacterial growth and adhesion of Porphyromonas gingivalis biofilms. Method: The bacterial inhibition test was performed by the agar well diffusion method, and biofilm density measurements were made using the biofilm assay method. Results: Pineapple hump …

S. Gordonii-Produced Hydrogen Peroxide Modulates Mir-663a And Ccl20 Expression In Oral Epithelial Cells, Marshall Houston Maynard

Theses and Dissertations--Medical Sciences

The mechanisms through which a persistent recognition of commensal bacteria by oral epithelial cells (OECs) mitigates an uncontrolled inflammatory response of the oral mucosa remain unknown. CCL20 secretion by OECs in response to pathogenic bacteria is regulated by S. gordonii (Sg)-induced miR-663a; nevertheless, the mechanisms involved in these Sg-modulated responses remain to be elucidated. Since Sg is a hydrogen peroxide (H₂O₂) producer, and H₂O₂ has been shown to stimulate miRNA expression, we hypothesized that H₂O₂ could be involved in Sg-induced miR663a and CCL20 responses. Expression of miR663a …

Part I: Complete Dentures And Diabetes Correlation, Ibeth Erazo

Publications and Research

Diabetes is one of the most frequent pathologies that dentists encounter, due to its high prevalence worldwide. The aim of this study is to present the correlation between diabetes and complete denture wearers, intending to emphasize the importance of proper control and denture adaptation to oral environment for this type of patient. Within the sphere of the dental office, one of the main complications to consider in this type of patient is periodontal disease, which is their most frequent complication. Other important oral manifestations considered in the research are fungal infections, xerostomia, and burning mouth syndrome. It is common for …

Filifactor Alocis, A Newly Appreciated Oral Pathogen, Fails To Induce The Respiratory Burst Response Of Human Neutrophils., Jacob S. Edmisson

College of Arts & Sciences Senior Honors Theses

Almost 50% of adult Americans suffer from periodontitis which is a bacterially induced inflammation of the tissue that surround and support the tooth. The accumulation of neutrophils, a critical cell component of the innate immune system, in the gingival crevice contributes to tissue damage. Filifactor alocis is a newly appreciated pathogen present in oral biofilms at periodontal disease sites. Studying the interactions between neutrophils and F. alocis will provide valuable information for delineating the role of this bacterium in periodontal disease and enhance our understanding of bacterial strategies to evade leukocytes’ antimicrobial mechanisms. The hypothesis that F. alocis modulates human …