Relationship between Decreased Mineral Intake Due to Oral Frailty and Bone Mineral Density: Findings from Shika Study.

Fumihiko Suzuki,Tadashi Konoshita,Shigefumi Okamoto,Akinori Hara,Masateru Miyagi,Yukari Shimizu,Hiroyuki Nakamura,Thao Thi Thu Nguyen,Shingo Nakai,Hiromasa Tsujiguchi,Sakae Miyagi,Atsushi Tajima,Takayuki Kannon,Keita Suzuki,Hirohito Tsuboi,Koichiro Hayashi

doi:10.3390/nu13041193

Abstract

The relationship between oral frailty (OF) and bone mineral density is unclear. This cross-sectional study analyzed the relationship between mineral intake and bone mineral density in middle-aged and older people with pre-oral and OF. The participants, which included 240 people aged 40 years and older, completed the three oral questions on the Kihon Checklist (KCL), which is a self-reported comprehensive health checklist, the brief-type self-administered diet history questionnaire (BDHQ), and the osteo-sono assessment index (OSI). A two-way analysis of covariance on oral function and OSI indicated that the intake of potassium, magnesium, phosphorus, squid/octopus/shrimp/shellfish, carrots/pumpkins, and mushroom was significantly lower in the OF and low-OSI groups than in the non-OF and high-OSI groups. A multiple logistic regression analysis for OF showed that potassium, magnesium, phosphorous and carrots/pumpkins were significantly associated with OF in the low-OSI group but not in the high-OSI group. These results demonstrated that the decrease in mineral intake due to OF was associated with decreased bone mineral density, suggesting that the maintenance of oral function prevents a decrease in bone mineral density.

Highlights

Oral frailty (OF) has been defined as the accumulation of a slightly poor status in oral conditions and function that is considered a strong prediction of physical frailty [1]
Osteoporosis was significantly higher among the females
The intake of minerals, sodium, potassium, calcium, magnesium, phosphorus, green leafy vegetables, carrots/pumpkins, mushroom, and citrus was significantly higher in females

Summary

Introduction

Oral frailty (OF) has been defined as the accumulation of a slightly poor status in oral conditions and function that is considered a strong prediction of physical frailty [1]. There have been several reports on the association between systemic frailty and mineral intake [3,4,5]. A review by Morante et al [3] reported that dietary factors associated with frailty were calorie, protein, vitamin D, and calcium intake. A cohort study [4] demonstrated that low sodium intake (

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