Purpose Traditionally, the ''Halstead block'' has been widely used to provide anesthesia in mandibular teeth. Two other techniques, the Gow Gates mandibular nerve block and the Akinosi Vazirani closed-mouth mandibular nerve block, are reliable alternatives to the conventional inferior alveolar nerve block. The purpose of this study is to evaluate the onset of anesthesia, anesthetic success and incidence of positive aspiration during administration of local anesthetic solution using the Halstead, Vazirani Akinosi and Gow Gates techniques. Materials and method The study involves 210 subjects, divided into three different groups of 70 subjects each receiving Gow Gates, Vazirani Akinosi and conventional inferior alveolar nerve blocks. The onset of anesthesia, positive aspiration and anesthetic success was evaluated. Results In Vazirani Akinosi technique group, patients showed highest anesthetic success of 95.71%; there was a significant difference seen between the Gow Gates and Vazirani Akinosi techniques (p = 0.0241*). The mean value of the onset of anesthesia in Gow Gates technique showed the longest 343.71 ± 153.20 s, in Halstead technique it was 177.43 ± 59.94 s, and in Vazirani Akinosi technique it was 192.86 ± 61.20 s. There was a significant difference seen between Gow Gates and Vazirani Akinosi techniques (p = 0.0001*) and Gow Gates and inferior alveolar nerve block techniques (p = 0.0001*). Conclusion The Vazirani Akinosi technique was found to be significantly better than the other two techniques with respect to both onset and success of anesthesia. Positive aspirations were slightly higher in the conventional IANB technique compared to the other two, but did not reach statistical significance.
Oral and maxillofacial trauma consists of various injuries but penetrating injuries are very rare and frequently require a multidisciplinary approach to treatment. The primary survey is always the initial step in trauma management before continuing with further evaluation and treatment. The following case reports discuss the clinical strategy of our rare encounter of penetrating injuries at the same time. These cases demonstrate that complex penetrating injuries of the oral and maxillofacial region require a structured and multidisciplinary approach to prevent further side effects and obtain an ideal clinical outcome.
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