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Evaluation of the difference in caries experience in diabetic and non-diabetic children-A case control study

Journal article
Authors S. Lai
M. G. Cagetti
F. Cocco
D. Cossellu
G. Meloni
G. Campus
Peter Lingström
Published in Plos One
Volume 12
Issue 11
ISSN 1932-6203
Publication year 2017
Published at Institute of Odontology
Language en
Keywords dental-caries, oral-health, metabolic-control, glycemic control, plaque-ph, type-1, mellitus, adolescents, classification, questionnaire, Science & Technology - Other Topics
Subject categories Dentistry


Aim To evaluate the caries prevalence and related variables in Type 1 diabetic and non-diabetic children and among the diabetic children according to their metabolic status. Sixty-eight diabetic and 136 non-diabetic children, matching by gender and age (4-14 years) were enrolled. The diabetic children were divided: a) 20 children in good metabolic control (Hb1ac <= 7.5) and b) 48 children in bad metabolic control (Hb1ac > 7.5). Dietary and oral hygiene habits were investigated. Caries status was registered using the International Caries Detection and Assessment System. Oral microflora was analysed using the checker-board DNA-DNA hybridisation method. Plaque acidogenicity was recorded after a sucrose rinse. Sugared beverage and snack intake was higher in diabetic group compared to non-diabetic group (p = 0.03 and p = 0.04, respectively) and in subjects in bad metabolic control (p = 0.03 and p < 0.01, respectively). Oral hygiene habits were similar, except for the use of fluoridated adjuvants, higher in non-diabetic children (p = 0.04). No statistically significant differences were observed regarding caries figures, but a higher number of caries free subjects was found in diabetic subjects in good metabolic control (p<0.01). Significant difference for the main cariogenic bacteria was found between diabetic and non-diabetic subjects (p < 0.05). The pH values showed statistically significant differences between diabetic and non-diabetic subjects and between diabetic subjects in good and bad metabolic control (p < 0.01). Diabetic children in good metabolic control might even be considered at low caries risk, while those in bad metabolic control showed an oral environment prone to a high caries risk.

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