Upgrading Oral Hygiene Protocols in Removable Partial Denture Patients

The problem with Removable Partial Dentures (RPD)

Regular denture hygiene education and practice for RPD wearers is crucial for overall oral health—helping prevent gum disease, tooth decay, and denture stomatitis. Poor denture care can shorten the life of a prosthesis and harm remaining teeth. Despite this, there’s no universal agreement on the best cleaning methods, and advice can be inconsistent or incomplete.

Current guidelines recommend brushing dentures daily with a non-abrasive cleaner, soaking them, removing them overnight, and routine dental visits. However, these recommendations rarely specify care for the remaining teeth and soft tissues, nor do they outline the most effective home routines for improved gum health and plaque control.

Strong evidence shows that dental disease, even in periodontitis cases, can be prevented or improved with better hygiene, and that theory-based, structured nterventions are effective at changing patient outcomes.

RPD wearers are a particularly high-risk group for gingival inflammation, persistent plaque, and suboptimal denture and tissue hygiene. Traditional guidance—“brush, soak, repeat”—is increasingly seen as insufficient.

A recent randomized controlled trial introduces a clear, three-step protocol that delivers superior outcomes.

Study design & intervention

  • Design: 49 RPD patients, randomized to “standard care” (usual routine) vs. a structured, three-product hygiene protocol, followed for 12 weeks.
  • Intervention Details:
    Step 1: Stannous fluoride toothpaste
    Step 2: Sodium fluoride mouth rinse
    Step 3: Antibacterial denture cleansing agent
    All with thorough instructions and monitored complianc.

Results

Patients who followed the multi-step regimen showed:

  • Much less gingival bleeding and inflammation
  • Significant reduction in plaque levels (Turesky Plaque Index)
  • Cleaner dentures (Partial Denture Cleanliness Index)
  • Excellent compliance (>99% use reported in the study)
  • Few, mostly mild, adverse events (12.5% in the intervention group, none in the control)

What should change in practice now?

  • Avoid generic advice. Go beyond “brush and soak” and give clear, stepby-step instructions for three proven products.
  • Make hygiene practical. Demonstrate each step chairside, allowing patients to try them under your supervision.
  • Recommend evidence-backed products. When feasible, suggest or provide products that have demonstrated benefits for RPD wearers.
  • Regularly check compliance. At each review, specifically ask about the patient’s home routine and reinforce each step.

Takeaway for Practice

  • Switch RPD patients to a three-step, three-product hygiene regimen.
  • Demonstrate and reinforce each step at every appointment.
  • Replace “brush and soak” with a modern, evidence-based routine for better outcomes.

Empower your patients—when recommendations are practical and grounded in evidence, you improve results and patient satisfaction.

Quick Summary

 
  
Study GoalTest if a multi-step oral hygiene routine enhances gum health, plaque control, and denture cleanliness in partial denture wearers.
Key InterventionThree-step regimen: Stannous fluoride toothpaste, Sodium fluoride mouth rinse, Antibacterial denture foam all with detailed instructions.
Primary OutcomesThe protocol led to significant improvements in gum bleeding, plaque, and denture debris by week 6 and even more by week 12.
Final ConclusionA structured, multi-product home care routine is
measurably superior to “just brush and soak.”
Clinical RelevanceTime to move on from outdated hygiene routines— this protocol sets a new practical standard for RPD  patients.
Immediate ActionDemonstrate and recommend a three-product hygiene process for all RPD wearers, starting at the next visit.
LimitationsSmall study (49), short duration (12 weeks), and minor, mostly self-limiting adverse reactions.

Reference:

Seong J, Je C, Gr B, E S, M A, West N. A randomised controlled trial to evaluate the efficacy of a multi-step oral hygiene product intervention to improve oral health in partial denture wearers: Assessing Oral Health Improvement: Complex
Intervention for Partial Denture Wearers. J Dent. 2025 May;156:105643. doi: 10.1016/j.jdent.2025.105643. Epub 2025 Mar 4. PMID: 40049283.

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