A 50 year old female had intravenously administered bisphosphonates for the past 3 years. She now has an area of exposed necrotic bone with sharp edges in an edentulous maxilla. The most appropriate management is to perform

minimal surgical debridement after delaying 3 months.

aggressive surgical debridement after delaying 3 months.

aggressive surgical debridement immediately.

minimal surgical debridement immediately.