Relationship between body mass index, bone mineral density, and oral hygiene with periodontal disease in a Mexican elderly group

José Francisco Murrieta, Ricardo Gustavo García, Brenda Contreras, Remedios Guadalupe Valdez, María Lilia Juárez


The aim of this study was to evaluate the relationship of body mass index (BMI), bone mineral density (BMD) and oral hygiene with periodontal disease (PD) in a group of elderly adults in Mexico City. Material and Methods: A cross-sectional study with a convenience sample of 151 elderly adults was conducted. Before applying the epidemiological survey, each subject was asked to sign an informed consent. Standardization for measuring Ramfjord’s Periodontal Disease Index (PDI), BMI, and Green and Vermilion’s OHI-S was carried out. Descriptive statistics and linear regression models were performed. Results: The 93.4% of the group had PD, 33.8% showed severe gingivitis and 20.5% mild gingivitis. A 28.5% five percent of the group had osteopenia and 18.5% had osteoporosis, being more common in people over 69 years. The 38.4% percent of the group was underweight and 53.0% had poor oral hygiene. Oral hygiene accounted for 63.1% of the PD variance (p=0.0001), figure that did not increase considerably by adding BMD and BMI variables to the regression model. Conclusion: The frequency of PD in this group of elderly adults was high and significantly associated with BMD, BMI, and mainly oral hygiene.


Periodontal disease; osteoporosis; elderly; oral hygiene; body mass index.


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