Tanwar Nishi, Narula Satish Chander, Sharma Rajender Kumar, Tewari Shikha
Assistant Professor, Department of Periodontics, Post Graduate Institute of Dental Sciences , Rohtak, Haryana, India .
Senior Professor, Department of Periodontics, Post Graduate Institute of Dental Sciences , Rohtak, Haryana, India .
J Clin Diagn Res. 2016 Apr;10(4):ZC53-6. doi: 10.7860/JCDR/2016/16955.7594. Epub 2016 Apr 1.
Presence of intact interdental papilla is considered as an essential component of aesthetic dentistry. Loss or absence of interdental papilla creates black triangles which are unpleasing.
The purpose of the present study was to determine relation of interproximal distances and cementoenamel junction with the classification of interdental papilla recession after surgical exposure in chronic periodontitis patients.
This cross-sectional, single masked study group involved 198 interdental papillae in 50 chronic periodontitis patients subjected to open flap debridement. The subjects were divided into three groups according to loss of height of interdental papillae: Class I papilla, Class II papilla, Class III papilla. The interproximal distances included vertical and horizontal distance. The vertical distance was measured from apical point of the contact area to alveolar crest; horizontal distance was measured between roots at the alveolar crest. Distance from mid buccal cementoenamel junction to apical point of the contact area was also measured.
The vertical distance was found to be significantly affecting all the classes of loss of papillary height (p<0.05). Significantly positive correlation was found between vertical distance and buccal cementoenamel junction (p<0.05). On applying multiple linear regressions vertical distance was found to be strongest determinant of loss of papillary height.
Although interproximal distances and cementoenamel junction affect the height of interdental papilla, other factors influencing the existence of interdental papilla should also be taken into consideration for treatment planning to achieve better aesthetics.
完整的牙间乳头的存在被认为是美容牙科的一个重要组成部分。牙间乳头的缺失或不存在会形成令人不悦的黑色三角区。
本研究的目的是确定慢性牙周炎患者手术暴露后牙间乳头退缩分类与邻面距离及牙骨质釉质界之间的关系。
本横断面、单盲研究组纳入了50例接受开放瓣清创术的慢性牙周炎患者的198个牙间乳头。根据牙间乳头高度丧失情况将受试者分为三组:I类乳头、II类乳头、III类乳头。邻面距离包括垂直距离和水平距离。垂直距离从接触区的根尖点测量至牙槽嵴;水平距离在牙槽嵴处的牙根之间测量。还测量了颊侧牙骨质釉质界中点至接触区根尖点的距离。
发现垂直距离对所有类别的乳头高度丧失均有显著影响(p<0.05)。垂直距离与颊侧牙骨质釉质界之间存在显著正相关(p<0.05)。应用多元线性回归发现垂直距离是乳头高度丧失的最强决定因素。
尽管邻面距离和牙骨质釉质界会影响牙间乳头的高度,但在制定治疗计划以实现更好的美学效果时,还应考虑影响牙间乳头存在的其他因素。