Effectiveness of Computer - Controlled Intraligamentary Local Anaesthesia In Extraction of Mandibular Primary Molars: Randomised Controlled Clinical Trial

Detailed Summary

Background: Exodontia poses a psychological threat for children, increasing the need for profound local anesthesia to assure painless extraction and maintain child cooperation on the dental chair. Computer-controlled Intraligamentary anesthesia (CC-ILA) affects only the tooth to be treated with minimal pressure, eliminating the side effects of other conventional techniques. Purpose of the study: To evaluate the effectiveness of CC-ILA injection in eliminating pain during extraction of mandibular primary molars compared to inferior alveolar nerve block (IANB) technique. The null hypothesis is there will be no difference in the pain experience with the use of CC-ILA compared to the IANB in pediatric patients. Method: The study will be a double-blind randomized controlled clinical trial, parallel design. A total of 50 healthy children aged 5-7 years, will be selected from Pediatric Dentistry and Dental Public Health Department, Faculty of Dentistry, Alexandria University, Egypt. Children will be selected with scores 3 or 4 Frankl behavioral rating scale. Each child selected will have at least one mandibular primary molar that is indicated for extraction. Written informed consent will be obtained from guardian. Participants will be randomly allocated into two groups according to the technique of anesthesia that will be used. Group I (test group) will receive CC-ILA, while group II (control group) will receive IANB. Heart rate will be used as vital parameter of pain, and will be recorded at base line, during injection and during extraction procedure. Pain reaction will be assessed objectively by two investigators using Sensory, Eye, Motor (SEM) scale, while subjectively the pain will be evaluated by asking the child to express his experience using a modified face scale from the Maunuksela scale.

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