Dutta A, Smith-Jack F, Saunders W P
Department of Restorative Dentistry, Edinburgh Dental Institute, Edinburgh, UK.
Int Endod J. 2014 Sep;47(9):854-63. doi: 10.1111/iej.12228. Epub 2014 Jan 13.
To investigate the prevalence of periradicular periodontitis (PRP) using cone-beam computed tomography (CBCT) scans in a retrospective cross-sectional epidemiological study in a Scottish subpopulation.
Of the 319 CBCT scans performed at Dundee Dental Hospital between November 2009 and July 2012, 245 dentate scans of patients over 18 years of age were included and 3595 teeth examined. Odds ratios were calculated, and the association between root filling and posts with PRP was determined.
Radiological signs of PRP were detected in 209 teeth (5.8%) in 96 patients (male = 53, female = 43) of which 145 (69.4%) were measurable and 64 (30.6%) appeared as periapical widening. Most lesions were seen in the 46-55-year age group and in maxillary anterior teeth (35.4%); 47.4% (n = 81) of the total root filled teeth (n = 171) had PRP. Of the root filled teeth with lesions, approximately half (50.6%) had an inadequate root filling. Teeth with crowns, but not root filled, accounted for 17.7% of PRP. Periapical changes were detected on a high proportion of teeth with post-retained crowns (70.7%). The presence of a root filling was significantly associated with PRP (z = 17.689 P < 0.0001; odds ratio 16.36 < 23.17 < 32.83, 95% CI) and the presence of a post (z = 10.901 P < 0.0001; odds ratio 21.36 < 41.8021 < 81.78, 95% CI).
The prevalence of PRP in a Scottish subpopulation was 5.8%. The presence of a root filling or a post-retained crown was significantly associated with the presence of PRP as determined by CBCT scans. The prevalence of periradicular disease in root filled teeth remains high in the Scottish population.
在一项针对苏格兰亚人群的回顾性横断面流行病学研究中，使用锥形束计算机断层扫描（CBCT）来调查根尖周炎（PRP）的患病率。
在2009年11月至2012年7月期间于邓迪牙科医院进行的319次CBCT扫描中，纳入了245例18岁以上患者的牙列扫描，并对3595颗牙齿进行了检查。计算优势比，并确定根管充填和桩与PRP之间的关联。
在96例患者（男性=53例，女性=43例）的209颗牙齿（5.8%）中检测到PRP的放射学征象，其中145颗（69.4%）可测量，64颗（30.6%）表现为根尖增宽。大多数病变见于46 - 55岁年龄组和上颌前牙（35.4%）；在总共171颗根管充填的牙齿中，47.4%（n = 81）患有PRP。在有病变的根管充填牙齿中，约一半（50.6%）根管充填不充分。有冠但未根管充填的牙齿占PRP的17.7%。在高比例的桩核冠修复牙齿上检测到根尖改变（70.7%）。根管充填的存在与PRP显著相关（z = 17.689，P < 0.0001；优势比16.36 < 23.17 < 32.83，95%可信区间），桩的存在也与PRP显著相关（z = 10.901，P < 0.0001；优势比21.36 <
