Xylocaine(R) and Citanest(R) in cartridge form (all contain 1.8 mL) are currently often used as local anesthetics in not only general but also pediatric dentistry. The purpose of this investigation was to clinically examine the efficacy of the ORA(R) inj. cartridge (1.0 mL) in pediatric dentistry. The following findings were obtained, based on an examination of 29 cases (14 boys and 15 girls). 1. The average quantity of ORA (R) inj. cartridge (1.0 mL) usage was 0.72 mL in children. In most

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... tric dental procedures, anesthetic injections of less than 1.0 mL were found to be adequate. 2. Among the 29 cases, there were 24 complete responses with no pain (82 .8%), 3 partial responses (10.3%), and 2 minor responses (6.9%). No cases were judged to be ineffective. 3. Side effects were not observed in all cases. Based on the findings above, the ORA(R) inj. cartridge (1.0 mL) is considered to be effective in pediatric dental procedures.