Implants · patient case question

Each of the following is appropriate hygiene advice for this patient EXCEPT one. Which is the EXCEPTION?

Patient case: An implant overdenture that traps food

Patient: Female, 68 years old

Chief Complaint: “My gums bleed around the posts and food gets stuck underneath.”

Background: Edentulous maxilla restored three years ago with an implant-supported overdenture. Non-smoker, no diabetes. She reports brushing the prosthesis daily.

Vital Signs: BP 128/76 mmHg · HR 72 bpm

Findings: Erythema and bleeding on gentle probing around all abutments, with no suppuration. Radiographs show NO peri-implant bone loss compared with the baseline films. Food debris packs beneath the prosthesis. The tissue surface of the superstructure is markedly CONCAVE and cannot be reached with any cleaning aid.

  1. A daily fluoride mouthrinse to prevent caries around the abutments
  2. A soft non-abrasive brush around the abutments, with a water flosser on a low setting
  3. Removing the overdenture nightly and cleaning both it and the abutments
  4. Cleaning beneath the prosthesis with superfloss or an interdental brush
Show answer and explanation

Correct answer: A. A daily fluoride mouthrinse to prevent caries around the abutments

  • A. CORRECT as the exception. This patient is EDENTULOUS. There are no teeth to develop caries, so a fluoride rinse has no target around titanium abutments — and an ACIDULATED fluoride formulation can actually CORRODE a titanium surface, making it worse than merely useless. This is the option that sounds like sound general advice while having no application to the patient in front of you.
  • B. This IS appropriate. A soft non-abrasive brush avoids scratching the titanium surface, since a scratched abutment accumulates plaque more readily, and a water flosser on a LOW setting is a useful adjunct — particularly for patients with limited dexterity. High pressure directed into the sulcus should be avoided.
  • C. This IS appropriate and fundamental. The intaglio surface of the prosthesis is the reservoir, so it must come out nightly and both it and the abutments must be cleaned. Leaving it in overnight is a common and consequential omission.
  • D. This IS appropriate, and it is the single most important measure. Superfloss or an interdental brush passed beneath the bar and between the abutments reaches exactly where plaque and food debris accumulate and where a toothbrush cannot go.

Note: First-line management of peri-implant MUCOSITIS — inflammation with NO bone loss, exactly as here — is non-surgical and it is REVERSIBLE at this stage. Mechanical debridement with instruments that will not scratch titanium (titanium or plastic curettes, or glycine powder air polishing), local antiseptic irrigation with chlorhexidine as the first step at this appointment, and reinforced hygiene. Catching it before it becomes peri-implantITIS with bone loss is the entire point.

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