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Relationship between Food Crushing and Oral Function in Older Adults Requiring Nursing Home Care: A Pilot Study

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  • Kanako Yamawaki

    (Departments of Advanced Prosthodontics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Kasumi, 1-2-3, Minami-ku, Hiroshima 734-8553, Japan)

  • Takahiro Mori

    (Departments of Advanced Prosthodontics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Kasumi, 1-2-3, Minami-ku, Hiroshima 734-8553, Japan)

  • Sakiko Itaki

    (PIA Nakamura Hospital, Tsuboi, 3-818-1, Saeki-ku, Hiroshima 731-5142, Japan)

  • Azusa Haruta

    (Departments of Advanced Prosthodontics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Kasumi, 1-2-3, Minami-ku, Hiroshima 734-8553, Japan)

  • Chiho Takeda

    (Departments of Advanced Prosthodontics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Kasumi, 1-2-3, Minami-ku, Hiroshima 734-8553, Japan)

  • Aya Hiraoka

    (Departments of Advanced Prosthodontics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Kasumi, 1-2-3, Minami-ku, Hiroshima 734-8553, Japan)

  • Mariko Maruyama

    (Departments of Advanced Prosthodontics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Kasumi, 1-2-3, Minami-ku, Hiroshima 734-8553, Japan)

  • Mineka Yoshikawa

    (Departments of Advanced Prosthodontics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Kasumi, 1-2-3, Minami-ku, Hiroshima 734-8553, Japan)

  • Mitsuyoshi Yoshida

    (Departments of Dentistry and Oral-Maxillofacial Surgery, School of Medicine, Fujita Health University, Dengakugakubo, 1-98, Kutsukake-cho, Toyoake 470-1192, Japan)

  • Kazuhiro Tsuga

    (Departments of Advanced Prosthodontics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Kasumi, 1-2-3, Minami-ku, Hiroshima 734-8553, Japan)

Abstract

We investigated how jelly is crushed and examined the relationship between tongue pressure and tongue food crushing ability among older adults requiring nursing home care. Seventy-two participants were instructed to freely crush the test foods soft jelly (SJ) and hard jelly (HJ). We visually evaluated the crushability of the test food and identified the intraoral tissues (active sites) used to crush the test food. The active sites were consistent for all participants for both SJ and HJ, and they included the maxillary and mandibular teeth in 41 participants, teeth and residual ridges in 15 participants, maxillary and mandibular residual ridges in 10 participants, and tongue and palate in six participants. Two participants failed to crush the SJ; the active sites in both participants were the tongue and palate. No participant using the tongue and palate as active sites could crush the HJ. Furthermore, 64 participants could crush the SJ and 23 could crush the HJ using the tongue and palate. The cutoff value of the tongue pressure for crushability of the HJ was 22.0 kPa. Assessing tongue pressure and intraoral active sites involved in food crushing could help determine an appropriate diet for older adults requiring nursing home care.

Suggested Citation

  • Kanako Yamawaki & Takahiro Mori & Sakiko Itaki & Azusa Haruta & Chiho Takeda & Aya Hiraoka & Mariko Maruyama & Mineka Yoshikawa & Mitsuyoshi Yoshida & Kazuhiro Tsuga, 2022. "Relationship between Food Crushing and Oral Function in Older Adults Requiring Nursing Home Care: A Pilot Study," IJERPH, MDPI, vol. 19(6), pages 1-11, March.
  • Handle: RePEc:gam:jijerp:v:19:y:2022:i:6:p:3419-:d:770758
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    References listed on IDEAS

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    1. Florence M. F. Wong & Yannies T. Y. Ng & W. Keung Leung, 2019. "Oral Health and Its Associated Factors Among Older Institutionalized Residents—A Systematic Review," IJERPH, MDPI, vol. 16(21), pages 1-29, October.
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