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Head and Face Medicine

, 12:28

First Online: 28 October 2016Received: 23 May 2016Accepted: 18 October 2016

Abstract

BackgroundThe present study aimed to investigate the prevalence of oral microbiota Candida species spp., Streptococcus mutans, and Lactobacilli in patients with multibracket MB appliances in relation to the quality of oral hygiene.

Saliva and plaque samples were collected from three groups of 25 patients each good oral hygiene GOH, poor oral hygiene POH, and poor oral hygiene with white spot lesions POH-WSL. Counts of colony forming units CFU of the investigated oral microbiota were compared using Chi-square and Mann–Whitney U tests.

ResultsBoth saliva and plaque samples showed a high prevalence of Candida spp. in all patients saliva: 73.4 %, plaque: 60.9 %. The main Candida species was C. albicans. The salivary CFU of Candida spp. in the GOH group was significantly lower than that in the POH group p = 0.045 and POH-WSL group p = 0.011. S. mutans was found in the saliva and plaque samples of all patients. Lactobacilli were found in the saliva samples of all patients and in 90.7 % of the plaque samples. In the saliva samples, the CFU of Lactobacilli were more numerous in the POH and POH-WSL groups than in the GOH group p = 0.047.

ConclusionsThe investigated sample of patients showed a high carriage of oral Candida spp. Patients with WSL formation during MB appliance treatment exhibited higher counts of Candida and Lactobacilli compared with patients with good oral hygiene. Independent of oral hygiene quality, S. mutans was detected in all patients.

KeywordsCandida Streptococcus mutans Lactobacilli Oral hygiene Fixed appliance White spot lesions AbbreviationsAOHAverage oral hygiene

CFUColony forming units

GOHGood oral hygiene

MBMultibracket

POHPoor oral hygiene

POH-WSLPoor oral hygiene with white spot lesions

SppSpecies

WSLWhite spot lesions

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Autor: Katharina Klaus - Johanna Eichenauer - Rhea Sprenger - Sabine Ruf

Fuente: https://link.springer.com/







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