Objectives: Inappropriate prescription of antibiotics contributes to antibiotic resistance. Therefore, the objective of this study was to determine the awareness, attitudes, and intention to practice of dentists prescribing antibiotics in Colombia in order to design a virtual learning environment on this subject. Methods: In a descriptive study across seven cities, 700 dentists from different Colombian cities were requested to complete a validated questionnaire containing five sections: general information, awareness on antibiotic effectiveness and antibiotic resistance, attitudes regarding prescription decision, intention to practice concerning clinical cases, and complementary information. The level of awareness, attitudes, and intention to practice was determined and Chi-square test was used to determine the existence of significant differences among cities. Results: The majority of dentists showed a medium level regarding the number of correct answers on awareness (62.4 percent) and attitudes (88.7 percent) and a high level on intention to practice (91.7 percent). Common errors within the awareness section included the meaning of the term "antibiotic resistance" (35 percent) and most dentists were not convinced that such resistance could be derived from prescription of antibiotics (51.2 percent). In the attitudes section, only 45 percent declared that they prescribe antibiotics based mainly on symptoms, and the intention to practice section showed a significant percentage of unnecessary prescription (51 percent for pacemaker users) or absence of prescription (53.9 percent for ventricular septal defect) in antibiotic prophylaxis for infectious endocarditis (IE). Conclusion:The dentists interviewed should be trained and made aware of antibiotic resistance, microbiological and clinical foundations, and current antibiotic prophylaxis guidelines.
The development of studies related to the human oral microbiome, as well as the applied sciences and techniques to investigate it, have helped reconsidering our understanding of tooth decay as an endogenous infection caused by a conglomerate of microorganisms. In addition to identifying the great diversity of microorganisms involved in carious processes, similar studies in healthy oral cavity have also been conducted, as well as analysis of the interactions between microorganisms and the host. The results are paving the way to implementing biotechnology strategies to interrupt the onset and progression of the disease, and in this sense probiotics are a promising tool. Probiotics are beneficial microorganisms that once in contact with the oral cavity modify the microbial interaction favoring homeostasis. A literature review was conducted using various databases (PubMed, ScienceDirect, and Google Scholar), focusing on probiotics as a strategy for caries control, based on their function in the oral cavity; this includes some of the studies conducted so far as well as the description of features of the bacterial strains most commonly studied and the ones recently isolated. The article concludes by explaining the ideal features that bacterial strains should have to be efficient as probiotics in the oral cavity.
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