Clinic of Conservative Dentistry and Periodontology, University of Kiel, Kiel, Germany.
J Clin Periodontol. 2011 Aug;38(8):707-14. doi: 10.1111/j.1600-051X.2011.01743.x. Epub 2011 May 31.
The aim of this study was to determine the survival rates of questionable and hopeless teeth in patients with aggressive periodontitis (AgP) and chronic periodontitis (CP) during 15 years of supportive periodontal therapy (SPT).
Thirty-four AgP and 34 CP patients (SPT≥10 years) with bone loss of ≥50% at ≥2 teeth were consecutively recruited. Bone loss was measured on digitized radiographs and teeth were categorized as "questionable" (≥50 to <70% bone loss) or as "hopeless" (≥70%). Progression in pocket probing depths (PPD) during SPT, tooth loss and reasons for extraction were analysed.
In AgP patients, 262 teeth were considered as questionable and 63 as hopeless (CP: 149/51). During active periodontal therapy, 25 questionable and 26 hopeless teeth were extracted (CP: 12/16). During 15.3 ± 4.1 years of SPT of AgP 28 questionable and 15 hopeless teeth were removed (CP: 28/12). The mean tooth loss per patient during SPT in total was 0.14 (AgP) and 0.16 (CP) teeth/year. There were no significant differences in tooth loss or longitudinal progression of PPD between AgP and CP patients.
In patients with AgP, 88.2% (209 of 237) of questionable and 59.5% (22 of 37) of hopeless teeth survived 15 years during regular SPT in a dental school department.
本研究旨在确定在 15 年的牙周支持治疗（SPT）期间，侵袭性牙周炎（AgP）和慢性牙周炎（CP）患者的可疑和无望牙齿的存活率。
连续招募了 34 名 AgP 和 34 名 CP 患者（SPT≥10 年），这些患者在≥2 颗牙齿上有≥50%的骨丧失。在数字化射线照片上测量骨丧失，将牙齿分为“可疑”（≥50%至<70%骨丧失）或“无望”（≥70%）。分析 SPT 期间牙周袋探诊深度（PPD）的进展、牙齿缺失和拔牙原因。
在 AgP 患者中，262 颗牙齿被认为是可疑的，63 颗是无望的（CP：149/51）。在积极的牙周治疗期间，25 颗可疑牙齿和 26 颗无望牙齿被拔除（CP：12/16）。在 AgP 的 15.3±4.1 年 SPT 期间，又有 28 颗可疑和 15 颗无望牙齿被拔除（CP：28/12）。在 SPT 期间，每位患者的平均牙齿缺失总数为 0.14（AgP）和 0.16（CP）颗/年。AgP 和 CP 患者之间的牙齿缺失或 PPD 的纵向进展没有显著差异。
在牙周病学系进行常规 SPT 时，88.2%（209/237）的可疑牙和 59.5%（22/37）的无望牙在 AgP 患者中存活了 15 年。
