Amount of interleukin-1β and interleukin-1 receptor antagonist in periodontitis and healthy patients.

Objective: Regulation of interleukin-1β (IL-1β) is a critical element of immune responses in health and disease. Additional research is required to determine the levels of interleukin-1 receptor antagonist (IL-1ra) sufficient to inhibit inteleukine-1-induced responses in periodontium. The aim of this study was to compare the levels of IL-1β, IL-1ra in gingival crevicular fluid samples obtained from periodontitis and healthy patients.

Comparison of ropivacaine and lidocaine with epinephrine for infiltration anesthesia in dentistry. A randomized study.

Purpose: To compare the efficacy of maxillary infiltration anesthesia with 0.5% plain ropivacaine or 2% lidocaine with epinephrine 1:100,000.

Methods: 60 volunteers received 1.