Influence of patient position on the Success of Inferior Alveolar Block Anesthesia. A cross-sectional study in Al-mustansiriyah Dental School, Baghdad | ||
| MUSTANSIRIA DENTAL JOURNAL | ||
| Article 1, Volume 11, Issue 1, December 2014, Pages 122-128 | ||
| Authors | ||
| Dr. Faaiz Alhamdani. PhD; Dr. Mustafa Sabah. BDS | ||
| Abstract | ||
| Introduction: Despite the wide use of Inferior Alveolar Nerve Block anaesthesia in dentistry it has a high percentage of failure (10 to 20%). This failure rate represents a challenging clinical problem in the management of mandibular teeth. There have been several explanations for this problem. Some authors believe that incorrect localization of the nerve near the mandibular foramen is the main problem with subsequent improper localization of the needle. Despite the attention paid to the different possible reasons for Inferior Alveolar Nerve Block, the patient position and its influence on the operator's position and subsequently on the success of the technique did not get enough attention. Aim of the study: To determine the influence of patient's position on the failure rate of Inferior Alveolar Nerve Block anaesthesia. Materials and Methods: Patients attended Oral Surgery Department, College of Dentistry, Almustansiria University in Baghdad for dental extraction were included in this study. Dental extraction procedures were performed by 4th and 5th class students. Inclusion criterion for the students was: students who perform the anaesthetic injection technique without the help of the supervising staff member. Results: Fifty seven students were included in this study, 21(36.8%) were males and 36 (63.2%) were females. Fifty seven students performed the local anaesthesia. Twenty four students were from 4th year (42.1%), and thirty three (57.9%) from 5th year. Chi-Square Test showed highly significant relationship between patient's position and the success of Inferior Alveolar Nerve Block (p<0.01, df=1). Chi-Square Test showed no significant relation (p>0.05, df=1) between the success level of anaesthesia and the student's year. Conclusion: Patient position is one of the factors that could influence the success of IANB anaesthesia. Considerable deviation from the accurate chair angulation can increase the chance of failure of IANB. | ||
| Keywords | ||
| Key Words; failure of local anaesthesia; patient | ||
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