Which procedure is least likely to be considered for systemic antibiotics?

The procedure involving full mouth extraction for a patient with periodontal disease is considered the least likely to require systemic antibiotics because the primary aim of the extraction is to remove teeth that are periodontally compromised. While there may be some infection present, the current understanding supports that antibiotic prophylaxis is not routinely necessary for full mouth extractions, especially in cases where the procedure is straightforward and done under sterile conditions.

In contrast, other options, such as the extraction of a tooth with an acute dental abscess or pericoronitis, often come with an associated infection that may necessitate systemic antibiotics to manage the infection and prevent further complications. Similarly, while necrotic ulcerative gingivitis may not always immediately necessitate antibiotics unless it presents in an acute form, acute conditions associated with infections typically warrant antibiotic therapy.

Thus, the context and circumstances surrounding the extraction of teeth due to periodontal disease make it the procedure least likely to involve the need for systemic antibiotics, as the focus is primarily on addressing the compromised structure rather than managing an acute infectious situation.