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Combined effects of new complete denture fabrication and simplified dietary advice on nutrient intake in edentulous elderly patients for 6 months

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Abstract

Objective

The aim was to evaluate the combined effects of a new complete denture fabrication and simple dietary advice (using unique pamphlets) by dentists on nutrient intake in edentulous elderly patients.

Materials and methods

A randomized controlled trial was performed on edentulous elderly patients who were randomly allocated to either an intervention or a control group. The intervention group received a new complete denture and simple dietary advice, whereas the control group received a new complete denture and denture care advice. The outcomes of this trial (nutrient intakes) were calculated using a brief-type self-administered diet history questionnaire (BDHQ) and assessed at three time points (pretreatment and 3 and 6 months post-treatment).

Results

At 3 months post-treatment, the intake of several nutrients such as proteins (p = 0.004), magnesium (p < 0.001), and vitamin B1 (p = 0.014) was significantly higher in the intervention group than the control group, whereas at 6 months post-treatment, plant protein (p = 0.028) intake was significantly higher in the intervention group than the control group. On the contrary, animal protein (p = 0.049) and vitamin B12 (p = 0.028) intakes were significantly higher in the control group.

Conclusions

New complete denture fabrication with simple dietary advice might improve nutrient intake in elderly edentulous patients; however, the effect is probably short term.

Clinical significance

New complete denture fabrication along with simple dietary advice by dentists might improve nutrient intake in edentulous elderly patients. Therefore, regular use of these interventions in the dental setting might have long-term effects on nutrient intake in elderly edentulous patients.

Trial registration

UMIN-CTR Clinical Trial, unique trial number: UMIN000017879

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Acknowledgments

The authors would like to thank Prof. Kazuharu Suzuki, **-ai University for the advices of this trial.

Funding

This work was supported by Grant-in-Aid for Scientific Research (grant number 26861625) and the Lotte Research Promotion Grant of 2015.

Author information

Authors and Affiliations

  1. Gerodontology and Oral Rehabilitation, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, TMDU, Yushima, Bunkyo-ku, Tokyo, 113-8549, Japan

    Manabu Kanazawa, Hiroyuki Suzuki, Yuriko Komagamine, Noriko Amagai & Shunsuke Minakuchi

  2. Oral Diagnosis and General Dentistry, University Hospital of Dentistry, Tokyo Medical and Dental University, TMDU, Tokyo, Japan

    Maiko Iwaki

Authors
  1. Manabu Kanazawa
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  2. Hiroyuki Suzuki
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  3. Yuriko Komagamine
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  4. Maiko Iwaki
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  5. Noriko Amagai
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  6. Shunsuke Minakuchi
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Corresponding author

Correspondence to Hiroyuki Suzuki.

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Conflict of interest

The authors declare that there is no conflict of interest.

Ethical approval

This study was approved by the ethics committee of the Faculty of Dentistry, Tokyo Medical and Dental University (TMDU) under the registry number 1144.

Informed consent

All patients were informed about the nature of the study and provided written informed consent prior to enrollment.

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Kanazawa, M., Suzuki, H., Komagamine, Y. et al. Combined effects of new complete denture fabrication and simplified dietary advice on nutrient intake in edentulous elderly patients for 6 months. Clin Oral Invest 23, 2245–2252 (2019). https://doi.org/10.1007/s00784-018-2669-6

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  • DOI: https://doi.org/10.1007/s00784-018-2669-6

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