Impact of bariatric surgery on oral health conditions: 6-months cohort study

Patrícia Garcia de Moura-Grec, Joselene Martinelli Yamashita, Juliane Avansini Marsicano, Reginaldo Ceneviva, Celso Vieira de Souza Leite, Gilberto Borges de Brito, Sergio Luis Aparecido Brienze, Sílvia Helena de Carvalho Sales-Peres, Patrícia Garcia de Moura-Grec, Joselene Martinelli Yamashita, Juliane Avansini Marsicano, Reginaldo Ceneviva, Celso Vieira de Souza Leite, Gilberto Borges de Brito, Sergio Luis Aparecido Brienze, Sílvia Helena de Carvalho Sales-Peres

Abstract

Objectives: We evaluate oral health conditions before and after bariatric surgery.

Methods: The sample was composed of 59 patients who had undergone Roux-en-Y gastric bypass (RYGB). Salivary flow, periodontal pocket depth and dental wear were evaluated before and after 6 months of surgery. Body mass index (BMI), C-reactive protein (CRP) and glucose levels were obtained from the patient's medical files. A t-test was used for dependent samples.

Results: The mean BMI decreased from 49.31 ± 8.76 to 35.52 ± 8.12 kg/m(2) in 6 months after surgery (P < 0.000). Before surgery, 67% of patients had high levels of CRP and 38% higher blood glucose levels and after surgery there were significant reductions in these levels (P < 0.001). Salivary flow ranged from 0.84 to 0.95 ml/min. There was increased prevalence of periodontal pockets (P = 0.022) and mean pocket depth increased to about 0.5 mm (P < 0.001). The percentage of surfaces with dental wear in dentine was significantly higher after bariatric surgery (P = 0.002), while dental wear in enamel decreased (P = 0.019).

Conclusions: Bariatric surgery may improve systemic conditions. However, it had a negative impact on oral health conditions because of an increase in periodontal disease and dental wear.

Keywords: Bariatric surgery; obesity; oral health; periodontal diseases; salivary flow; tooth erosion.

© 2014 FDI World Dental Federation.

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Source: PubMed

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