The Anatomy of the Stomatognathic System in Different Skull Types in Dogs.

IF 0.7 4区 农林科学 Q3 VETERINARY SCIENCES
Journal of Veterinary Dentistry Pub Date : 2023-12-01 Epub Date: 2023-07-27 DOI:10.1177/08987564231176021
Cristina E de Albuquerque, Mônica D da Silva, Henrique I Riceti Magalhães, Hianka J C de Carvalho, Maria A Miglino, Marco A Gioso
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Abstract

The anatomy of the stomatognathic system is important for both clinical evaluations and surgical approaches in all animal species. The aim of this study was to describe the innervation and vascularization of the stomatognathic system of the dog. Twelve dogs without a history of disease or cranial malformation were used: 4 brachycephalic, 4 mesocephalic, and 4 dolichocephalic. The dogs were dissected, and arteries, veins, and nerves related to the masticatory and swallowing components were identified. The distribution pattern of these structures in the 3 different skull types were observed. The entire blood supply of the stomatognathic system is derived from the external carotid artery, which originates from the common carotid artery, and terminates as it branches into the superficial temporal and maxillary arteries. The other main branches of the common carotid artery are the occipital, cranial laryngeal, ascending pharyngeal, lingual, facial, caudal auricular, and parotid arteries. Blood drainage was achieved via the external jugular vein, which originates from the union of the linguofacial and maxillary veins. Brachycephalic dogs had blood vessels with greater sinuosity (more deviations) when compared to dolichocephalic and mesocephalic dogs. The stomatognathic system innervation of brachycephalic skull dogs showed differences in the distribution of the facial nerve in the labial commissure and maxillary and mandibular regions. The cranial conformation of dogs demonstrated anatomical variations of the vascular and neural structures of the stomatognathic system. This data may be useful to improve clinical practice, surgical planning, and interpretation of clinical dysfunctions.

犬不同颅骨类型口颌系统的解剖。
口腔颌系统的解剖学对于所有动物物种的临床评估和手术方法都很重要。本研究的目的是描述狗口腔颌面系统的神经支配和血管形成。使用了12只没有疾病或颅骨畸形史的狗:4只短头犬、4只中脑犬和4只多头犬。对狗进行解剖,并鉴定与咀嚼和吞咽成分相关的动脉、静脉和神经。观察了这些结构在3种不同颅骨类型中的分布模式。口腔颌系统的全部血液供应来源于颈外动脉,颈外动脉起源于颈总动脉,并在分支到颞浅动脉和上颌动脉时终止。颈总动脉的其他主要分支是枕动脉、颅喉动脉、升咽动脉、舌动脉、面动脉、耳尾动脉和腮腺动脉。血液引流是通过颈外静脉实现的,颈外静脉起源于舌面部和上颌静脉的结合。与小头犬和中脑犬相比,短头犬的血管弯曲度更大(偏差更多)。短头颅骨犬的口颌系统神经支配显示,面神经在唇连合和上下颌区域的分布存在差异。狗的颅骨形态显示了口腔颌系统血管和神经结构的解剖学变化。这些数据可能有助于改善临床实践、手术计划和临床功能障碍的解释。
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来源期刊
Journal of Veterinary Dentistry
Journal of Veterinary Dentistry VETERINARY SCIENCES-
CiteScore
1.00
自引率
10.00%
发文量
59
期刊介绍: The Journal of Veterinary Dentistry (JOVD) is the official peer-reviewed publication of the Foundation for Veterinary Dentistry. The JOVD provides a continuing education forum for veterinary dental scientists, veterinarians, dentists, and veterinary/dental technicians and hygienists who are engaged in veterinary dental practice. JOVD articles provide practical and scientifically sound information covering not only the medical and surgical aspects, but also specific categories as they relate to clinical practice.
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