The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association · 2020
Evaluation of the Microbiological Profile of Alveolar Residual Screws and Cleft-Adjacent Teeth in Individuals With Complete Unilateral Fissures.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Iurovschi Ronaldo, Joaquim Claudia Regina, de Faveri Marcelo, de Miranda Tamires Szeremeske, Feres Magda, de Figueiredo Luciene Cristina
Аннотация
OBJECTIVE: To evaluate the microbiota profile of residual alveolar slits and teeth adjacent to the cleft in fissured individuals.
DESIGNS: This study used a cross-sectional design.
PARTICIPANTS: Twenty individuals, aged 14 to 24 years, who had a residual fissure in the maxillary alveolar ridge region were selected.
MAIN OUTCOME MEASURES: Three sites per individual were selected for microbiological collection (the site of the residual cleft and the 2 nearest teeth). The samples were analyzed using the Checkerboard DNA-DNA hybridization technique for 73 species of bacteria.
RESULTS: All the species analyzed were found in the 2 niches (slits and teeth). The bacterial species present in the largest number in the residual cracks were Prevotella melaninogenica, Prevotella nigrescens, and Streptococcus mitis. With regard to the bacterial profiles in the mesial and distal faces, the most prevalent species were P nigrescens, Veillonella parvula, and Fusobacterium nucleatum sp vicentii. The analysis of all the collected samples demonstrated very similar profiles for the mesial and distal faces, with these 2 sites even presenting the same species in greater frequencies. Higher counts of 20 bacterial species (Wilcoxon test) were observed in the dental niche, in relation to the fissure, particularly, P nigrescens, V parvula, F nucleatum sp vicentii, and Neisseria mucosa.
CONCLUSION: Some species were significantly more prevalent in the residual alveolar fissures and in adjacent teeth. The comparison between the profiles of the 2 niches demonstrated large differences in the most frequent species in the teeth, and no qualitative differences with regard to specific pathogens.
DESIGNS: This study used a cross-sectional design.
PARTICIPANTS: Twenty individuals, aged 14 to 24 years, who had a residual fissure in the maxillary alveolar ridge region were selected.
MAIN OUTCOME MEASURES: Three sites per individual were selected for microbiological collection (the site of the residual cleft and the 2 nearest teeth). The samples were analyzed using the Checkerboard DNA-DNA hybridization technique for 73 species of bacteria.
RESULTS: All the species analyzed were found in the 2 niches (slits and teeth). The bacterial species present in the largest number in the residual cracks were Prevotella melaninogenica, Prevotella nigrescens, and Streptococcus mitis. With regard to the bacterial profiles in the mesial and distal faces, the most prevalent species were P nigrescens, Veillonella parvula, and Fusobacterium nucleatum sp vicentii. The analysis of all the collected samples demonstrated very similar profiles for the mesial and distal faces, with these 2 sites even presenting the same species in greater frequencies. Higher counts of 20 bacterial species (Wilcoxon test) were observed in the dental niche, in relation to the fissure, particularly, P nigrescens, V parvula, F nucleatum sp vicentii, and Neisseria mucosa.
CONCLUSION: Some species were significantly more prevalent in the residual alveolar fissures and in adjacent teeth. The comparison between the profiles of the 2 niches demonstrated large differences in the most frequent species in the teeth, and no qualitative differences with regard to specific pathogens.