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首页> 外文期刊>Journal of Veterinary Dentistry >Area of Desensitization Following Mental Nerve Block in Dogs
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Area of Desensitization Following Mental Nerve Block in Dogs

机译：狗精神神经阻滞后的脱敏区域

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摘要

Regional nerve blocks are commonly used to provide analgesia for dental and oral surgical procedures. The purpose of this study was to demarcate the areas of the mandible that would be desensitized by application of the mental nerve block. Seven healthy mixed-breed dogs were anesthetized for an annual dental examination and professional teeth cleaning procedure. Bupivacaine HCl (0.4 ml/ m2) was administered at one middle mental foramen based on previously described techniques for the mental nerve block. A noxious stimulus was applied at 23 predetermined ipsilateral mandibular locations using pressure from a mosquito hemostat on the mucocutaneous junction (MCJ) and a dental curette on the vestibular mucogingival line (MGL) at the incisor, canine, andpremolar teeth; and, the mesial and distal aspects of the first molar tooth. A thermal stimulus using a refrigerant spray on a cotton ball was applied to the ipsilateral canine, third premolar, and fourth premolar teeth; and, the mesial and distal aspects of the first molar tooth. Demonstration of nociception or anesthesia was noted and the responses tabulated. The area of desensitized tissues was smaller than expected and highly variable within the study group. In conclusion, the unilateral mental nerve block does not reliably provide generalized desensitization to tissues of the incisive and rostral regions of the mandible. Although the mental nerve block is recommended, other modes of analgesia should be emphasized for surgical and dental procedures involving these areas.
机译：区域神经阻滞通常用于为牙科和口腔外科手术提供镇痛作用。这项研究的目的是划定下颌骨的区域，这些区域将因应用精神神经阻滞而脱敏。对七只健康的混血狗进行麻醉，以进行年度牙齿检查和专业的牙齿清洁程序。根据先前描述的用于精神神经阻滞的技术，在一个中精神孔中施用盐酸布比卡因（0.4 ml / m2）。使用来自粘膜皮肤交界处（MCJ）的灭蚊器和门牙，犬齿和前磨牙的前庭粘膜龈沟线（MGL）上的刮匙施加压力，在23个预定的同侧下颌位置施加有害刺激;以及第一磨牙的近中和远端。在棉球上使用制冷剂喷雾对同侧犬齿，第三前磨牙和第四前磨牙施加热刺激;以及第一磨牙的近中和远端。记录到有伤害性或麻醉性的表现，并将反应列表化。在研究组中，脱敏组织的面积比预期的要小，并且变化很大。总之，单侧精神神经阻滞不能可靠地为下颌骨切入区和延髓区的组织提供普遍的脱敏作用。尽管建议使用精神神经阻滞，但对于涉及这些区域的外科手术和牙科手术，应强调其他镇痛方式。

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