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Examining the Relationship Between Nutrition and Oral Health in the Elderly

Periodontal disease (affecting the gums and tooth-supporting tissues) is one of the most common oral health conditions that significantly impacts quality of life, especially in the elderly population. Damage to the gums and supporting bone can lead to tooth loss, pain, and impaired chewing function. In both prevention and management of periodontal conditions, nutrition plays a critical role. Adequate nutritional intake supports the immune system, reduces inflammation, and strengthens gingival and surrounding bone tissues.

Nutrition and Periodontal Tissue Health

Various nutrients such as protein, vitamin C, vitamin D, calcium, antioxidants, and other minerals are essential for the maintenance and regeneration of periodontal tissues. Adequate nutrition helps to:

  • Provide building blocks (e.g., amino acids from protein) for collagen synthesis and gingival connective tissue formation.
  • Strengthen the immune system to effectively respond to periodontal bacteria.
  • Reduce oxidative stress and inflammation through antioxidant activity.
  • Maintain calcium and phosphorus levels in alveolar bone to prevent excessive bone resorption.

Nutritional imbalance or deficiency can weaken periodontal tissue structure, reduce healing capacity, and facilitate invasion by pathogenic microorganisms.

Evidence from Local Research: Sleman, Yogyakarta

A study conducted by FKG UGM student Harni Kartikarini under the supervision of drg. Elastria Widita, M.Sc., PhD and Prayudha Benni Setiawan, S.Kp.G., M.P.H., titled “The Relationship Between Nutritional Intake and the Number of Teeth in the Elderly in Sleman Regency, Yogyakarta”, examined the association between nutritional intake and the number of remaining teeth among elderly individuals in Sleman Regency, Yogyakarta. 

Key findings include:

  • The study involved 144 respondents aged ≥60 years using a cross-sectional design and food frequency questionnaire (FFQ). 
  • Results showed a significant relationship between carbohydrate intake and the number of teeth (p = 0.015; Beta = –0.193), after adjustment for confounding variables such as energy intake, income, education, smoking status, tooth brushing habits, and body mass index (BMI). 
  • Main finding: higher carbohydrate intake was associated with fewer remaining teeth. 

This suggests that a high-carbohydrate diet (especially easily fermentable carbohydrates) may contribute to deterioration of dental conditions, possibly through sugar deposition, increased plaque/biofilm formation, and initiation of periodontal inflammation.

Nutritional Implications for Periodontal Care and Prevention

Based on physiological understanding and support from local research results in Sleman, several important points regarding the role of nutrition in periodontal care are as follows:

  1. Carbohydrate Regulation
    • Choose complex carbohydrates (whole grains, high-fiber vegetables) over simple carbohydrates (sugars, refined flour) to reduce substrates for plaque bacteria.
    • Avoid excessive sugar consumption between meals to minimize oral sugar fluctuations.
  2. Adequate Protein and Essential Amino Acids
    • Protein is vital for tissue regeneration, collagen formation, and wound healing in gingival tissues.
    • Protein deficiency can delay recovery and increase susceptibility to infection.
  3. Vitamins and Antioxidant Minerals
    • Vitamin C: essential for collagen synthesis and protection against oxidative stress.
    • Vitamin D and calcium: maintain alveolar bone health and prevent excessive bone loss.
    • Minerals such as magnesium, zinc, and iron also support healing and local immunity.
  4. Anti-inflammatory Foods and Probiotics
    • Omega-3 fatty acids (e.g., from fatty fish) have anti-inflammatory effects.
    • Vegetables, fruits, and probiotics (yogurt, kefir) support a healthier oral microbiota.
  5. Synergy with Oral Hygiene and Clinical Care
    • Good nutrition alone is not sufficient—plaque control (tooth brushing, flossing, scaling) remains essential.
    • Optimal nutrition enhances the effectiveness of clinical treatments such as root debridement and periodontal therapy.

***

Nutrition plays a crucial role in the prevention and management of periodontal disease. Balanced nutritional intake—particularly regulation of carbohydrate consumption, adequate protein, vitamins, and minerals—helps maintain periodontal tissue integrity, supports local immune function, and accelerates healing. The study in Sleman Regency, Yogyakarta, demonstrates that higher carbohydrate intake is associated with fewer remaining teeth in the elderly, suggesting that high-carbohydrate diets may place additional stress on periodontal health. Therefore, optimal periodontal management strategies should consider nutrition as part of a holistic approach.

References
HARNI KARTIKARINI, drg. Elastria Widita, M.Sc., PhD., Prayudha Benni Setiawan, S.Kp.G., M.P.H., The Relationship Between Nutritional Intake and the Number of Teeth in the Elderly in Sleman Regency, Yogyakarta, https://etd.repository.ugm.ac.id/penelitian/detail/212355

Author: Rizky B. Hendrawan | Photo: Freepik

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