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Clin Oral Investig
2023 Aug 01;278:4735-4746. doi: 10.1007/s00784-023-05101-3.
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Bypass gastroplasty impacts oral health, salivary inflammatory biomarkers, and microbiota: a controlled study.
Ribeiro ASP
,
Marquezin MCS
,
Pacheco ERP
,
Rasera I
,
Klein MI
,
de Vasconcellos SP
,
Landgraf RG
,
Okamoto D
,
Calixto LA
,
Castelo PM
.
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OBJECTIVES: Knowledge about the impact of gastroplasty on oral health and salivary biomarkers is limited. The aim was to prospectively evaluate oral health status, salivary inflammatory markers, and microbiota in patients undergoing gastroplasty compared with a control group undergoing a dietary program.
MATERIALS AND METHODS: Forty participants with obesity class II/III were included (20 individuals in each sex-matched group; 23-44 years). Dental status, salivary flow, buffering capacity, inflammatory cytokines, and uric acid were assessed. Salivary microbiological analysis (16S-rRNA sequencing) assessed the abundance of genus, species, and alpha diversity. Cluster analysis and mixed-model ANOVA were applied.
RESULTS: Oral health status, waist-to-hip ratio, and salivary alpha diversity were associated at baseline. A subtle improvement in food consumption markers was observed, although caries activity increased in both groups, and the gastroplasty group showed worse periodontal status after three months. IFNγ and IL10 levels decreased in the gastroplasty group at 3 months, while a decrease was observed in the control group at 6 months; IL6 decreased in both groups (p < 0.001). Salivary flow and buffering capacity did not change. Significant changes in Prevotella nigrescens and Porphyromonas endodontalis abundance were observed in both groups, while alpha diversity (Sobs, Chao1, Ace, Shannon, and Simpson) increased in the gastroplasty group.
CONCLUSIONS: Both interventions changed in different degrees the salivary inflammatory biomarkers and microbiota, but did not improve the periodontal status after 6 months.
CLINICAL RELEVANCE: Although the observed discrete improvement in dietary habits, caries activity increased with no clinical improvement in the periodontal status, emphasizing the need of oral health monitoring during obesity treatment.
001 Coordenação de Aperfeiçoamento de Pessoal de Nível Superior, 2016/10940-9, 2017/26400-6 and 2020/16020-4 Fundação de Amparo à Pesquisa do Estado de São Paulo
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