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首页> 外文期刊>Journal of Veterinary Dentistry >Tooth Resorption in tlie Swedish Eurasion Lynx (Lynx lynx)
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Tooth Resorption in tlie Swedish Eurasion Lynx (Lynx lynx)

机译：瑞典欧亚山猫（Lynx lynx）中的牙齿吸收

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摘要

The etiology of tooth resoi-ption in the domestic cat remains unknown. Tiie high prevalence and progressive nature of the disease complicates defining healthy control groups. In order to evaluate the possible influence of various life style changes onthe prevalence of tooth resorption, healthy control gi-oups are a prerequisite. This paper presents a prevalence studyfor tooth resorption in a free-ranging wildfelidae population. Skulls fi^om 46fi'ee-ranging Eurasian lynx (Lynx lym) were examined. Theage of the animals had previously been estimated based on cementwn annuli in the maxillary right canine tooth. The dental examination included both dental probing and radiographic imaging. Complicated fractures of the canine teeth were found in 9/46 (19.5 %) skulls. In one fi'actured canine, apical root resorption and periapical lucency was detected. The root resorption was attributed to inflammatoiy resorption as a consequence of the initial dental trauma and necrotic pulp. No signs of tooth resorption were found in the remaining teeth. Supernumerary roots were detected in 18/46 skulls (39.1 %). Supernumerajy "peg" teeth caudal to the mandibular first molar tooth were detected in 6/46 (13.0 %) skulls. Although further studies on dental ultra-stmctureare needed, the Swedish Eurasian lynx may, in the future, be useful as a healthy comparative model for studies on the etiopathogenesis of tooth resorption in the domestic cat.
机译：家猫的牙齿修复病因仍然未知。该疾病的高患病率和进行性使确定健康对照组变得复杂。为了评估各种生活方式的改变对牙齿吸收的影响，健康的控制方法是前提。本文介绍了在自由放养的野猫科种群中牙齿吸收的普遍性研究。检查了范围为46英尺的欧亚天猫座（Lynx lym）的头骨。先前已经根据上颌右犬齿的牙骨质环估计了动物的年龄。牙齿检查包括牙齿探测和射线照相成像。在9/46（19.5％）的头骨中发现犬齿的复杂骨折。在一只假犬中，检测到根尖吸收和根尖周全。根吸收归因于最初的牙齿创伤和坏死牙髓导致的炎症吸收。在其余牙齿中未发现牙齿吸收的迹象。在18/46个头骨中检测到多余的根（39.1％）。在6/46（13.0％）头骨中检测到下颌第一磨牙尾部的“超级钉”齿。尽管需要对牙齿的超结构进行进一步的研究，但是瑞典的欧亚天猫将来可能作为健康的比较模型，用于研究家猫的牙齿吸收的病因。

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