根据牙周探查深度分析隐裂牙的特征并评估牙髓状态

Analysis of the characteristics of cracked teeth and evaluation of pulp status according to periodontal probing depth

【目的】分析隐裂牙的特征并根据牙周探查深度(probing pocket depth,PPD)评估牙髓状态。【方法】本研究纳入138颗隐裂牙,分析患者的性别和年龄、牙齿的类型和位置、PPD、牙髓状态以及影像学情况。【结果】男性和女性之间PPD差异没有统计学意义(P>0.05);患者年龄最常见为50~59岁(34.06%);下颌第二磨牙(26.09%)的隐裂牙发生率最高。共有78颗牙齿的PPD≤3 mm,60颗牙齿的PPD>3 mm。PPD≤3 mm的隐裂牙中牙髓坏死和根尖周炎的发生率较低(12.82%),而PPD>3 mm的隐裂牙中牙髓坏死和根尖周炎的发生率增加(31.67%),差异趋势有统计学意义(P<0.05)。【结论】隐裂牙的最常见年龄为50~59岁,PPD>3 mm的隐裂牙更有可能发生牙髓坏死和根尖周炎。

【Objective】To analyze the characteristics of cracked teeth and evaluate the pulp status according to periodontal probing depth(PPD).【Methods】A total of 138 cracked teeth were included in the study. The age and gender of the patients, location and type of cracked teeth, PPD, pulp statusand radiographic findings were analyzed.【Results】There was no statistically significant difference in PPD between males and females(P>0.05). Most of the patients were frequently aged between 50 and 59 years(34.06%). Mandibular second molars(26.09%) were the most frequently involved teeth. A total of 78 teeth had a PPD of 3 mm or less, while 60 had a PPD of more than 3 mm. The proportion of pulp necrosis and periapical inflammation was low(12.82%)among cracked teeth with a PPD of 3 mm or less. However, if PPD of cracked teeth extended more than 3 mm, the proportion of pulp necrosis and periapical inflammation increased(31.67%). The difference was statistically significant(P<0.05).【Conclusion】Patients with cracked teeth are most frequently aged between 50 and 59 years. Cracked teeth with a PPD of more than 3 mm are more likely to have pulp necrosis and periapical inflammation.