Mayra Alexandra Téllez

Mayra Alexandra Téllez
Pontifical Xavierian University · Centro de Investigaciones Odontológicas (CIO)

Professor

About

18
Publications
2,835
Reads
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105
Citations
Additional affiliations
January 2025 - present
University of Kentucky
Position
  • Postdoc
December 2020 - March 2023
Federal University of Minas Gerais
Position
  • PhD Technological innovation
Description
  • Evaluation of the anti-biofilm activity of drug-delivery systems
January 2015 - present
Pontifical Xavierian University
Position
  • Professor (Assistant)
Description
  • Oral Microbiology

Publications

Publications (18)
Article
Full-text available
Objective The aim of this study was to analyze the cultivable oral microbiota of patients with obstructive sleep apnea (OSA) and its association with the periodontal condition. Methods The epidemiology profile of patients and their clinical oral characteristics were determined. The microbiota was collected from saliva, subgingival plaque, and ging...
Article
Full-text available
Background: Amelogenesis imperfecta is a hereditary disorder affecting dental enamel. Among its phenotypes, Hypocalcified AI is characterized by mineral deficiency, leading to tissue wear and consequently dental sensitivity. Excessive fluoride intake (through drinking water, fluoride supplements, toothpaste, or by ingesting products such as pestici...
Article
Full-text available
Objective: To evaluate the in vitro antimicrobial and antibiofilm properties and the immune modulatory activity of cannabidiol (CBD) and cannabigerol (CBG) on oral bacteria and periodontal ligament fibroblasts (PLF). Methods: Cytotoxicity was assessed by propidium iodide flow cytometry on fibroblasts derived from the periodontal ligament. The minim...
Article
Full-text available
Objective: This study aims to compare the salivary and gingival crevicular fluid (GCF) concentrations of five cytokines: IL-1β, IL-6, IL-17A, IL-33, and Tumor Necrosis Factor-alpha (TNF-α) in patients with OSA and their association with periodontitis. Methods: Samples of saliva and GCF were obtained from 84 patients classified into four groups a...
Article
Full-text available
Objective Obstructive sleep apnea (OSA) and periodontitis share risk factors, such as age, obesity, stress, and cardiovascular events, which have a bidirectional cause-effect relationship through systemic inflammation. Our objective was to determine the relationship between OSA and the periodontal condition and its associated local and systemic ris...
Article
Full-text available
Periodontitis has been commonly linked to periodontopathogens categorized in Socransky’s microbial complexes; however, there is a lack of knowledge regarding “other microorganisms” or “cryptic microorganisms”, which are rarely thought of as significant oral pathogens and have been neither previously categorized nor connected to illnesses in the ora...
Preprint
Full-text available
Commonly the periodontitis has been linked to periodontopathogens categorized in Socransky's microbial complexes, however, there is a lack of knowledge regarding “other microorganisms” or "cryptic microorganisms", which are rarely thought of as significant oral pathogens and are neither previously categorized nor connected to illnesses in the oral...
Preprint
Full-text available
Objective:Obstructive sleep apnea (OSA) and periodontitis share risk factors, such as age, obesity, stress and cardiovascular events, which have a bidirectional cause-effect relationship through systemic inflammation. Our objective was to determine the relationship between OSA and the periodontal condition and its associated local and systemic risk...
Article
Full-text available
Clostridium difficile, the causal agent of antibiotic-associated diarrhea, has a complex epidemiology poorly studied in Latin America. We performed a robust genomic and phenotypic profiling of 53 C. difficile clinical isolates established from diarrheal samples from either intrahospital (IH) or community (CO) populations in central Colombia. In vit...
Poster
Full-text available
Introduction Periradicular surgery is a procedure that allows a three-dimensional seal by apical filling with cements with zinc oxide, eugenol, re-sinous materials, glass ionomer cements, mineral trioxide aggregate (MTA) and bioceramic cements. Among the most recent bio-ceramic cements is the Endosequence Root Repair Material (ERRM®), which until n...
Article
Full-text available
Background Achyrocline bogotensis has been traditionally used to treat infections of skin, respiratory, tract urinary and other infections, but not to treat viral gastrointestinal disease. In this study, this Colombian native medicinal plant was investigated by its in vitro anti-rotavirus and anti-astrovirus activity. Methods Several extracts and...
Article
Full-text available
Two procedures of steam distillation of Rosmarinus officinalis and Thymus vulgaris were compared by phytochemical, antioxidant and antimicrobial analysis of their respective essential oils and hydrosols using respectively GCFID and GCMS analysis, free radical scavenging activity on ABTS and dilution and diffusion method against 3 bacteria and 2 fun...
Article
Full-text available
Two procedures of steam distillation of Rosmarinus officinalis and Thymus vulgaris were compared by phytochemical, antioxidant and antimicrobial analysis of their respective essential oils and hydrosols using respectively GCFID and GCMS analysis, free radical scavenging activity on ABTS and dilution and diffusion method against 3 bacteria and 2 fun...
Article
Full-text available
Dental caries is considered an infectious disease leading to the destruction of dental hard tissue. The major bacterial species involved in dental caries is Streptococcus mutans, which has led the implementation of prevention and control measures. The fundamental goal of research on medicinal plants is the search for substances or compounds with an...
Article
Full-text available
Unlabelled: Dental caries is considered a multi-factorial, infectious, chronic, localized, post-eruptive, transmissible disease that leads to the destruction of dental hard tissue. The recognition of Streptococcus mutans as the major bacterial species involved in dental caries has led to the implementation of prevention and control measures for el...

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