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首页> 外文期刊>Journal of Clinical and Diagnostic Research >Significance of Radiological Variables Studied on Orthopantamogram to Predict Post-Operative Inferior Alveolar Nerve Paresthesia after Third Molar Extraction
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Significance of Radiological Variables Studied on Orthopantamogram to Predict Post-Operative Inferior Alveolar Nerve Paresthesia after Third Molar Extraction

机译：正畸X线照片上的放射学变量对预测第三磨牙拔除后手术后下牙槽神经感觉异常的意义

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Context: Removal of impacted third molar is a procedure that is often associated with post-operative complications. The rate of complications is somewhat high because of its proximity to the vital structures. Inferior alveolar nerve paresthesia is one of the common complications of impacted their molar surgery. This is due to intimate relationship between roots of mandibular third molar and inferior alveolar canal. To access the proximity of inferior alveolar canal to third molar many diagnostic methods are suggested but in conventional radiography orthopantamogram is considered as the best. There are many findings onorthopantamogram that are suggestive of close proximity ofnerve to the canal. In this study authors reviewed seven radiographic findings related to proximity of roots to the inferior alveolar nerve as seen on orthopantamogram and try to find a relationship between these radiographic variables and presence of post-operative paresthesia.Study Design: The study containd 100 impacted third molars need to be removed. Presence of radiographic findings onorthopantamogram were noted and analyzed, to find a relationship with occurrence of post-operative inferior alveolar nerve paresthesia.Materials and Methods: This study comprises of 100 impacted third molar teeth indicated for extraction. Cases were randomly selected from the patients, needs to undergo extraction of impacted mandibular third molar. After extraction cases were evaluated for occurrence of inferior alveolar nerve paresthesia. Stastical Analyisis: Data was transferred to SPss 21 software for frequency calculation, and two tailed p-values were obtained betweens these variables and post-operative paresthesia, by applying Fischer?s exact test (GRAPH PAD SOFTWARE)Results: Out of seven, four radiological findings that are grooving of roots, hooked roots, bifid roots and obliteration of white line are significantly related to post-operative paresthesia while bending of canal, narrow canal and darkening of tooth roots over the canal are not significantly associated with post-operative morbidity of facial nerve.
机译：背景：去除受影响的第三磨牙是一种通常与术后并发症相关的程序。由于其靠近生命结构，并发症的发生率较高。下牙槽神经感觉异常是影响其磨牙手术的常见并发症之一。这是由于下颌第三磨牙的根与下牙槽管之间的亲密关系。为了接近下牙槽管与第三磨牙的接近，提出了许多诊断方法，但在常规放射线照相中，正电子照相被认为是最好的。正射电流描记图上有许多发现，提示神经与管腔非常接近。在这项研究中，作者回顾了七张与X线片所见有关的根部与下牙槽神经接近程度的影像学发现，并试图找到这些影像学变量与术后感觉异常之间的关系。研究设计：该研究包含100个受影响的第三磨牙。需要删除。记录并分析X线片正射影像的存在，以发现与术后下牙槽神经感觉异常的发生的关系。材料与方法：本研究包括100颗受影响的第三颗磨牙，需拔除。从患者中随机选择病例，需要进行下颌第三磨牙的拔除。提取病例后，评估下牙槽神经感觉异常的发生。静态分析：将数据转移到SPss 21软件进行频率计算，并通过应用Fischer精确检验（GRAPH PAD SOFTWARE）在这些变量与术后感觉异常之间获得两个尾部p值。结果：七分之四根部切开，钩状根，双裂根和白线消失的放射学发现与术后感觉异常显着相关，而根管弯曲，狭窄的根管和根管上的齿根变暗与术后发病率无显着相关面神经

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