Clinical evaluation of ORA Inj. in conservative dentistry

Abstract

Abstract : In order to confirm the clinical anesthetic effectiveness of ORA Injection Cartridge, this research was carried out in the field of conservative treatment. The main component of this anesthetic solution was lidocaine HCl (0.02 g/ml) with Sodium Pyrusulfite Adrenaline. For this clinical study, 128 teeth of 90 patients were used including the cases of caries treatments, vital pulp extirpation and extraction of the decayed teeth. The clinical examinations were carried out as follows : 1. The dental treatment could be carried out without pain or not. 2. How did the pain degree show at the time of needle injection ? 3. How long did the anesthetic effectiveness continue ? As a result, 72 out of 90 patients (80%) did not feel pain. 16 patients felt a slight pain. Only one patient felt a severe pain and the dental treatment could not be done. Concerning with the pain production at the time of needle injection, 22 out of 90 patients (22.4%) did not feel the pain. 54 out of 90 patients (60%) showed a slight pain. The case of severe pain was 14 (15.6%). The post operative pain showed 13 cases (14.4%). Side effects could not be observed.