Antifungal Susceptibility of <i>Candida albicans</i> Isolated from Tongue and Subgingival Biofilm of Periodontitis Patients

The subgingival biofilm, as the most complex microbial community, has been proven to be reservoir of <i>Candida</i> spp. The main concept of this study was to investigate if there is a difference between the sensitivity of <i>Candida albicans</i> (<i>C. albicans</i&g...

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Main Authors: Milena Radunovic, Milena Barac, Jovana Kuzmanovic Pficer, Dusan Pavlica, Aleksandar Jovanovic, Ana Pucar, Sanja Petrovic
Format: Article
Language:English
Published: MDPI AG 2022-06-01
Series:Antibiotics
Subjects:
Online Access:https://www.mdpi.com/2079-6382/11/6/802
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author Milena Radunovic
Milena Barac
Jovana Kuzmanovic Pficer
Dusan Pavlica
Aleksandar Jovanovic
Ana Pucar
Sanja Petrovic
author_facet Milena Radunovic
Milena Barac
Jovana Kuzmanovic Pficer
Dusan Pavlica
Aleksandar Jovanovic
Ana Pucar
Sanja Petrovic
author_sort Milena Radunovic
collection DOAJ
description The subgingival biofilm, as the most complex microbial community, has been proven to be reservoir of <i>Candida</i> spp. The main concept of this study was to investigate if there is a difference between the sensitivity of <i>Candida albicans</i> (<i>C. albicans</i>) isolated from tongue and subgingival areas of periodontitis patients to antifungal agents. The aim of the study was to determine: (1) the distribution of different <i>Candida</i> species in the tongue and subgingival samples of periodontitis patients; (2) the susceptibility of <i>Candida albicans</i> strains from tongue and subgingival biofilm to the effects of commonly used antifungal agents: fluconazole, amphotericin B and itraconazole; (3) the correlation between the susceptibility of <i>Candida albicans</i> and clinical periodontal parameters. Tongue and subgingival biofilm samples of periodontitis subjects (N = 163) were examined. Susceptibility was tested when the same <i>Candida</i> species was isolated from both sites (17 subjects). <i>Candida</i> spp. were isolated in 23.3% of tongue and 21.5% of the subgingival samples. All isolates were susceptible to amphotericin B, while 64.71% of tongue and 52.94% of subgingival isolates were susceptible to fluconazole. A low frequency of itraconazole susceptibility was observed for tongue (17.64%) and subgingival isolates (11.76%). The correlations between full-mouth plaque score and Minimal Inhibitory Concentration (MIC) for tongue isolates were strongly positive for all antimycotics. Positive correlation was also observed between moderate periodontal destruction and MICs for tongue and subgingival isolates. The susceptibility of <i>C. albicans</i> to antifungals correlate with oral hygiene and moderate periodontal destruction. There is no difference in antifungal susceptibility between tongue and subgingival isolates.
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spelling doaj.art-11cd183140ed4020bf6661b335549c922023-11-23T15:17:36ZengMDPI AGAntibiotics2079-63822022-06-0111680210.3390/antibiotics11060802Antifungal Susceptibility of <i>Candida albicans</i> Isolated from Tongue and Subgingival Biofilm of Periodontitis PatientsMilena Radunovic0Milena Barac1Jovana Kuzmanovic Pficer2Dusan Pavlica3Aleksandar Jovanovic4Ana Pucar5Sanja Petrovic6Department of Microbiology and Immunology, School of Dental Medicine, University of Belgrade, Dr Subotica 1, 11000 Belgrade, SerbiaDepartment of Oral Medicine and Periodontology, School of Dental Medicine, University of Belgrade, Dr Subotica 4, 11000 Belgrade, SerbiaDepartment for Medical Statistics and Informatics, School of Dental Medicine, University of Belgrade, Dr Subotica 1, 11000 Belgrade, SerbiaDepartment of Microbiology and Immunology, School of Dental Medicine, University of Belgrade, Dr Subotica 1, 11000 Belgrade, SerbiaClinic of Urology, University Clinical Center of Serbia, Resavska 51, 11000 Belgrade, SerbiaDepartment of Oral Medicine and Periodontology, School of Dental Medicine, University of Belgrade, Dr Subotica 4, 11000 Belgrade, SerbiaDepartment of Microbiology and Immunology, School of Dental Medicine, University of Belgrade, Dr Subotica 1, 11000 Belgrade, SerbiaThe subgingival biofilm, as the most complex microbial community, has been proven to be reservoir of <i>Candida</i> spp. The main concept of this study was to investigate if there is a difference between the sensitivity of <i>Candida albicans</i> (<i>C. albicans</i>) isolated from tongue and subgingival areas of periodontitis patients to antifungal agents. The aim of the study was to determine: (1) the distribution of different <i>Candida</i> species in the tongue and subgingival samples of periodontitis patients; (2) the susceptibility of <i>Candida albicans</i> strains from tongue and subgingival biofilm to the effects of commonly used antifungal agents: fluconazole, amphotericin B and itraconazole; (3) the correlation between the susceptibility of <i>Candida albicans</i> and clinical periodontal parameters. Tongue and subgingival biofilm samples of periodontitis subjects (N = 163) were examined. Susceptibility was tested when the same <i>Candida</i> species was isolated from both sites (17 subjects). <i>Candida</i> spp. were isolated in 23.3% of tongue and 21.5% of the subgingival samples. All isolates were susceptible to amphotericin B, while 64.71% of tongue and 52.94% of subgingival isolates were susceptible to fluconazole. A low frequency of itraconazole susceptibility was observed for tongue (17.64%) and subgingival isolates (11.76%). The correlations between full-mouth plaque score and Minimal Inhibitory Concentration (MIC) for tongue isolates were strongly positive for all antimycotics. Positive correlation was also observed between moderate periodontal destruction and MICs for tongue and subgingival isolates. The susceptibility of <i>C. albicans</i> to antifungals correlate with oral hygiene and moderate periodontal destruction. There is no difference in antifungal susceptibility between tongue and subgingival isolates.https://www.mdpi.com/2079-6382/11/6/802<i>Candida</i>antifungal agentsdrug resistanceantifungalperiodontitis
spellingShingle Milena Radunovic
Milena Barac
Jovana Kuzmanovic Pficer
Dusan Pavlica
Aleksandar Jovanovic
Ana Pucar
Sanja Petrovic
Antifungal Susceptibility of <i>Candida albicans</i> Isolated from Tongue and Subgingival Biofilm of Periodontitis Patients
Antibiotics
<i>Candida</i>
antifungal agents
drug resistance
antifungal
periodontitis
title Antifungal Susceptibility of <i>Candida albicans</i> Isolated from Tongue and Subgingival Biofilm of Periodontitis Patients
title_full Antifungal Susceptibility of <i>Candida albicans</i> Isolated from Tongue and Subgingival Biofilm of Periodontitis Patients
title_fullStr Antifungal Susceptibility of <i>Candida albicans</i> Isolated from Tongue and Subgingival Biofilm of Periodontitis Patients
title_full_unstemmed Antifungal Susceptibility of <i>Candida albicans</i> Isolated from Tongue and Subgingival Biofilm of Periodontitis Patients
title_short Antifungal Susceptibility of <i>Candida albicans</i> Isolated from Tongue and Subgingival Biofilm of Periodontitis Patients
title_sort antifungal susceptibility of i candida albicans i isolated from tongue and subgingival biofilm of periodontitis patients
topic <i>Candida</i>
antifungal agents
drug resistance
antifungal
periodontitis
url https://www.mdpi.com/2079-6382/11/6/802
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