Practical Reviews

Should You Take the Time, Expense to Buffer Your Local?

Background: Buffering local anesthesia has had equivocal results. Objective: To determine if buffering a 4% concentration of lidocaine reduces injection pain and increases the profoundness of the depth of local anesthesia. Design: Prospective randomized trial at a U.S. dental school. Participants: 100 emergency dental patients, age 18 to 64 years, with a diagnosis of symptomatic irreversible pulpitis on a mandibular posterior tooth. Methods: Patients were randomized to receive eith more...
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