Prosthodontics & Occlusion · single question

A patient who has been receiving intravenous zoledronic acid (Zometa) for 5 years requires dental extractions and a complete denture. What is the most appropriate management?

  1. Proceed with extractions immediately without modification
  2. Discontinue Zometa and wait 6 months before any extractions
  3. Perform extractions only with antibiotic coverage
  4. Refer to a dental specialist experienced in MRONJ management
Show answer and explanation

Correct answer: D. Refer to a dental specialist experienced in MRONJ management

Intravenous bisphosphonates (particularly zoledronic acid/Zometa) carry a significantly higher risk of medication-related osteonecrosis of the jaw (MRONJ) compared to oral bisphosphonates, with risk increasing with duration of therapy. After 5 years of IV zoledronic acid, this patient is considered high risk for MRONJ. Multiple extractions significantly increase this risk. Per AAOMS 2022 guidelines, high-risk patients requiring extensive extractions should be referred to an oral and maxillofacial surgeon or specialist with MRONJ experience for comprehensive risk stratification, pre-surgical planning, and post-operative monitoring. Discontinuation of bisphosphonate therapy ('drug holiday') does not rapidly reduce risk due to their long skeletal half-life.

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