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BMC Oral Health
Published in: BMC Oral Health 1/2018

Open Access 01-12-2018 | Research article

Effects of nonsurgical periodontal treatment on glycated haemoglobin on type 2 diabetes patients (PARODIA 1 study): a randomized controlled trial in a sub-Saharan Africa population

Authors: Nadia-Flore Tsobgny-Tsague, Eric Lontchi-Yimagou, Arnel Redon Nana Nana, Aurel T. Tankeu, Jean Claude Katte, Mesmin Y. Dehayem, Charles Messanga Bengondo, Eugene Sobngwi

Published in: BMC Oral Health | Issue 1/2018

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Abstract

Background

There is a burglar association between diabetes and periodontitis. Many studies has shown that periodontitis treatment can help improving glycemic control in diabetes patients but little evidence of non-surgical treatment benefit is available in sub Saharan african diabetes patients. We aimed to assess the effects of non-surgical periodontal treatment (NSPT) of chronic periodontitis on glycaemic control in poorly controlled type 2 diabetes patients (T2D) in a sub-Saharan Africa urban setting.

Methods

A total of 34 poorly controlled T2D patients with chronic periodontitis aged 51.4 ± 8.8 years (mean ± SD), with known duration of diabetes of 55.5 ± 42.6 months, and HbA1c of 9.3 ± 1.3% were randomly assigned to two groups. The treatment group (Group 1, n = 17) received immediate ultrasonic scaling, scaling and root planning along with subgingival 10% povidone iodine irrigation, whereas the control group (Group 2, n = 17) was assigned to receive delayed periodontal treatment 3 months later. Pharmacological treatment was unchanged and all participants received the same standardized education session on diabetes management and dental hygiene. The primary outcome was the 3-month change in HbA1c from baseline. Plaque index (PI), gingival bleeding index (GBI), pocket depth (PD), clinical attachment loss (CAL) were also assessed prior to, at 6 and 12 weeks after enrolment.

Results

Two subjects in each group were excluded from the study. Data were analyzed on thirty patients (15 per group). Non-surgical periodontal treatment with education for better dental hygiene (group 1) significantly improved all periodontal parameters whereas education only (group 2) improved only the plaque index among all periodontal parameters. Immediate non-surgical periodontal treatment induced a reduction of HbA1c levels by 3.0 ± 2.4 points from 9.7 ± 1.6% at baseline to 6.7 ± 2.0% 3 months after NSPT, (p ˂ 0.001) but the change was not significant in group 2, from mean 8.9 ± 0.9% at baseline vs 8.1 ± 2.6% after 3 months (p = 0.24).

Conclusion

Non-surgical periodontal treatment markedly improved glycaemic control with an attributable reduction of 2.2 points of HbA1c in poorly controlled T2D patients in a sub Saharan setting.

Trial registration

ClinicalTrials.gov Identifier: NCT02745015 Date of registration: July 17, 2016 ‘Retrospectively registered’.
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Metadata
Title
Effects of nonsurgical periodontal treatment on glycated haemoglobin on type 2 diabetes patients (PARODIA 1 study): a randomized controlled trial in a sub-Saharan Africa population
Authors
Nadia-Flore Tsobgny-Tsague
Eric Lontchi-Yimagou
Arnel Redon Nana Nana
Aurel T. Tankeu
Jean Claude Katte
Mesmin Y. Dehayem
Charles Messanga Bengondo
Eugene Sobngwi
Publication date
01-12-2018
Publisher
BioMed Central
Published in
BMC Oral Health / Issue 1/2018
Electronic ISSN: 1472-6831
DOI
https://doi.org/10.1186/s12903-018-0479-5

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