Lachmann Stefan, Kimmerle-Müller Evi, Gehring Kristina, Axmann Detlef, Gomez-Roman German, Watzek Georg, Weber Heiner
Department of Prosthodontics and Dental Material Science, Eberhard-Karls-University, Tuebingen, Germany.
Int J Prosthodont. 2007 Jan-Feb;20(1):37-42.
Clinical, microbiologic, and immunologic comparisons of the peri-implant health in edentulous volunteers wearing long-standing implant-supported ball- or Dolder bar-retained mandibular overdentures were performed.
Ten age- and gender-matched individuals (mean age, 71 years) with either ball- or bar-retained complete mandibular overdentures, scheduled for an annual implant recall examination, were investigated an average of 7 years after implant placement. Plaque and gingival crevicular fluid samples were obtained from the peri-implant sulcus. The groups were compared with regard to peri-implant probing depth; plaque and bleeding on probing scores; sulcular fluid flow rates; implant stability measurements (Periotest device); relative concentrations of Actinobacillus actinomycetemcomitans, Prevotella intermedia, Fusobacterium nucleatum, Porphyromonas gingivalis, Tannerella forsythensis, and Treponema denticola assessed by polymerase chain reaction analysis; and sulcular concentrations of interleukin-1beta and prostaglandin E2, assessed by enzyme-linked immunosorbent assay.
No statistically significant differences were found for any of the examined parameters between both study groups.
Within the limitations of this study, both ball attachments and Dolder bars can be recommended for overdenture retention, with either one showing satisfying clinical, microbiologic, and immunologic findings in the peri-implant tissues after several years of service in healthy recall patients with good oral hygiene habits.
对佩戴长期种植体支持的球状或多尔德尔杆式下颌覆盖义齿的无牙颌志愿者的种植体周围健康状况进行临床、微生物学和免疫学比较。
10名年龄和性别匹配的个体（平均年龄71岁），他们佩戴球状或杆式下颌全口覆盖义齿，计划进行年度种植体复查，在种植体植入后平均7年接受调查。从种植体周围龈沟获取菌斑和龈沟液样本。比较两组的种植体周围探诊深度；探诊时的菌斑和出血评分；龈沟液流速；种植体稳定性测量（Periotest设备）；通过聚合酶链反应分析评估的伴放线放线杆菌、中间普氏菌、具核梭杆菌、牙龈卟啉单胞菌、福赛坦氏菌和齿垢密螺旋体的相对浓度；以及通过酶联免疫吸附测定评估的龈沟中白细胞介素-1β和前列腺素E2的浓度。
两个研究组在任何检查参数上均未发现统计学上的显著差异。
在本研究的局限性范围内，球状附着体和多尔德尔杆均可推荐用于覆盖义齿固位，在口腔卫生习惯良好的健康复查患者中使用数年之后，二者在种植体周围组织中均显示出令人满意的临床、微生物学和免疫学结果。
