Dentists are health care workers with the highest risk of exposure to COVID-19, because the oral cavity is considered to be a reservoir for SARS-CoV-2 transmission. The identification of SARS-CoV-2 in saliva, the generation of aerosols, and the proximity to patients during dental procedures are conditions that have led to these health care workers implementing additional disinfection strategies for their protection. Oral antiseptics are widely used chemical substances due to their ability to reduce the number of microorganisms. Although there is still no evidence that they can prevent the transmission of SARS-CoV-2, some preoperative oral antiseptics have been recommended as control measures, by different health institutions worldwide, to reduce the number of microorganisms in aerosols and droplets during dental procedures. Therefore, this review presents the current recommendations for the use of oral antiseptics against SARS-CoV-2 and analyzes the different oral antiseptic options used in dentistry.
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http://dx.doi.org/10.3390/ijerph19148768 | DOI Listing |
Pharm Biol
December 2025
Laboratory of Pharmacology, Chulabhorn Research Institute, Bangkok, Thailand.
Aim: Insufficient quality control and limited dissolution of extract capsules restricts their bioavailability and hinder the clinical use for treating mild coronavirus disease 2019 (COVID-19) patients.
Objective: This study aims to investigate pharmacokinetics and safety of high-dosage ethanolic extract (equivalent to 180 or 360 mg/day of andrographolide), relevant dosages used for mild COVID-19 treatment.
Methods: An open-label, single-dose, and repeated-dose conducted in healthy volunteers.
Support Care Cancer
January 2025
Dentistry Department, Barretos Cancer Hospital, Barretos, São Paulo, Brazil.
Objective: To compare the treatment of osteoradionecrosis (ORN) using a protocol that incorporates antimicrobial photodynamic therapy with a conventional treatment protocol.
Methodology: This retrospective study analyzed 55 patients diagnosed with ORN at a reference hospital between 2002 and 2021. Patients were treated using two different clinical protocols.
PLoS One
December 2024
Departement of Restorative Dentistry, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia.
Purpose: This study aimed to investigate the effect of chlorhexidine (CHX) cavity disinfectant on interfacial microleakage and micro-tensile bond strength (μTBS) of a universal adhesive bonded to dentin in both self-etch (SE) and etch-and-rinse (ER) modes.
Methods: Class I cavities were prepared in the coronal dentin of extracted human teeth and assigned to two etching modes (SE or ER), then subdivided by disinfection with or without CHX (n = 5). Cavities were restored using Single Bond Universal Adhesive and Filtek Z350 XT composite.
Int J Pharm
December 2024
Department of Pharmaceutical Engineering, Azrieli College of Engineering Jerusalem, Jerusalem 9103501, Israel. Electronic address:
Chlorhexidine (CHX) is a gold standard therapeutic agent against clinical oral pathogens. However, its oral use is limited due to unpleasant taste, alteration in taste buds, staining of teeth and mucous membranes. Therefore, CHX-loaded PLGA microneedles (MNs) were fabricated for local and controlled release in the oral cavity, using a casting mold method.
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January 2025
Department of Science, De La Salle College, Institute of the Brothers of the Christian Schools, Toronto, Ontario, Canada.
Alcohol consumption is known to affect dopamine (DA) release in the brain, with significant implications for understanding addiction and its neurobiological underpinnings. This meta-analysis examined the effects of acute alcohol administration on striatal DA release in healthy humans as measured with [C]-raclopride positron emission tomography (PET). Oral alcohol administration was associated with a significant reduction in [C]-raclopride binding potential (BP) in the ventral striatum (Cohen's d = -0.
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