套筒冠义齿修复牙周病伴牙列缺损的临床应用研究

目的探讨套筒冠义齿修复牙周病伴牙列缺损的临床疗效。方法20例牙周病患者经牙周综合治疗病情稳定后进行套筒冠义齿修复,共制作套筒冠义齿24件,基牙共计146颗,其中松动牙81颗;比较分析牙周病伴牙列缺损患者修复前,修复后3、6、12个月基牙松动度、牙龈指数、牙周袋、牙槽骨高度、牙周膜宽度和硬骨板的丧失,并进行问卷调查。结果20例牙周病患者经修复治疗后,随着时间的推移,牙松动度减低,牙龈指数改善,牙周袋变浅,X线片显示基牙的牙周膜和骨硬板清晰完整,牙槽骨边缘高度未再见降低,骨密度明显增加,随访问答结果显示,患者的咀嚼功能显著提高,患者对义齿比较满意。结论套筒冠义齿修复牙周病伴牙列缺损具有良好的临床疗效。     

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目的探讨以圆锥形套筒冠为固位体的可摘局部义齿用于牙周病伴牙列缺损修复的治疗效果。方法从山西省晋城煤业集团总医院口腔科艾坚口腔管理系统(V3、V4)中选择2003年1月至2008年12月的牙周病伴牙列缺损并应用套筒冠可摘义齿进行修复患者38例(男24例,女14例;病历资料完整,随访3年以上),共204个套筒冠单位(颗基牙)。对患者治疗后的主观感觉、功能改善、牙周情况等进行分析。结果患者经修复治疗1个月后,均表示对义齿的外观和舒适度满意,咀嚼功能改善明显,对说话无明显影响;半年后修复体使用正常,功能及舒适度满意。患者修复治疗后,牙周袋逐渐消失或变浅[(4.0±0.5)mm对(1.1±0.5)mm],牙齿松动度明显改善,治疗前后比较,差异均具有统计学意义(P<0.05)。有根分叉病变的牙齿有新的附着形成,X线片显示基牙的牙周膜和骨硬板清晰完整,牙槽骨边缘高度未见再降低,骨密度明显增加,除个别牙齿有牙龈缘的轻微炎症和附着丧失、萎缩外,所有修复体均应用良好。在观察期内修复体成功率达100%,基牙的保存成功率达100%。结论套筒冠义齿修复是一种预期良好、可靠、容易制作且舒适的方法,对牙周病伴牙列缺损的修复治疗疗效肯定。     

套筒冠义齿用于牙周病修复治疗后的根周骨质变化

目的：对套筒冠义齿用于牙周病修复治疗后基牙的骨质变化进行定量追踪观察。方法：采用平行投照技术，获得11例牙周病患者套筒冠义齿修复治疗前及治疗后1、2、3年牙周病患牙(91颗基牙)的系列标准牙片。运用牙科图像分析处理软件对每一基牙的根周骨高度和骨密度进行测量并进行统计学分析。结果：在所研究的时间内，患牙牙槽骨的骨高度有一定程度的增加，但无统计学意义；而骨密度在治疗后一年内有显著增加，而后趋于平缓。结论：套筒冠义齿有利于牙周病患牙根周骨质的稳定与恢复。     

套筒冠义齿修复牙列重度磨耗的临床评价体会

目的：探讨套筒冠义齿修复重度磨耗[牙合]的临床效果。方法：对9例牙列重度磨耗的患者，进行套筒冠义齿修复（6例患者有颞下颌关节紊乱病），共制作套筒冠义齿12件，观察时间6—48个月，追踪患者主观感觉、咀嚼效果、义齿固位、稳定度及颞下颌关节紊乱病是否缓解；并通过X线片检查基牙牙周膜情况、基牙牙槽骨高度。结果：套筒冠义齿修复重度磨耗[牙合]后，患者自我感觉满意、能提高咀嚼效能，义齿固位稳定性好，颞下颌关节紊乱病疗效好，基牙牙周膜无明显异常，基牙牙槽骨无吸收。结论：采用套筒冠义齿修复牙列重度磨耗导致垂直距离下降的患者，可行而且有效。     

磁性附着体在牙周病伴牙列缺损修复中的应用

目的 了解磁性附着体用于牙周病伴牙列缺损患者的修复效果以及对基牙牙周的影响。方法 牙列缺损伴牙周病患者10例共25颗患牙，完成牙周系统治疗后，截冠做基牙磁性附着体覆盖义齿，检查义齿的使用效果以及磁性附着体对牙周的影响。结果 10例患者在牙周基础治疗后，基牙经过根管治疗和截冠后4周，牙齿松动度明显降低，修复后随访3～24个月，基牙松动无变化，80％的基牙牙周袋深度基本不变，20％的基牙牙龈出现菌斑附着，牙龈发红，探诊出血，经牙周局部治疗，牙龈炎症得到有效控制，X线检查示牙槽骨吸收未加重。结论 在有效的菌斑控制下磁性附着体覆盖义齿修复牙周病伴牙列缺失是可行的，修复效果良好。     

缓冲型套筒冠义齿用于中重度牙周病老年患者的临床观察

目的观察套筒冠义齿修复中重度牙周病伴牙列缺损的老年患者的临床疗效。方法:临床追踪观察10例中重度牙周病伴牙列缺损的老年病例,患牙经过牙周基础治疗和根管治疗后,共制作12副套筒冠义齿,共65颗基牙,其中Ⅰ度松动21颗,Ⅱ度松动37颗,Ⅲ度松动7颗。内冠设计为圆锥型或圆柱状,使用钴铬合金制作套筒冠内外冠。平均随访2.5年,观察基牙牙周状态、牙松动度以及影像学改变。结果:所有患者的基牙松动度降低。X线片显示修复后基牙牙周膜无明显增宽,骨小梁致密,排列整齐,骨质密度明显增高。牙槽骨高度未见降低,部分可见增高。结论:根据基牙状态设计圆锥型或圆柱状套筒冠义齿对中重度牙周病伴牙列缺损是一种较理想的修复治疗方法。     

套筒冠与精密附着体技术联合应用修复牙列缺损25例

目的 探讨套筒冠和精密附着体义齿联合应用修复牙列缺损的临床疗效。方法 对25例牙列缺损的患者采用套筒冠和精密附着体义齿联合修复追踪3～24个月,评价修复后的功能和外观、固位及稳定、咀嚼效率及对基牙的影响。结果 25例患者对固定﹑稳定和咀嚼效率的效果都很满意。X射线牙片显示基牙及缺牙区牙槽骨未见明显吸收。结论 套筒冠和精密附着体义齿联合应用对一些复杂牙列缺损的修复可达到良好的修复效果。     

套筒冠义齿对中重度牙周病伴牙列缺损修复的临床效果

目的:观察中重度牙周病伴牙列缺损病人采用圆锥犁套筒冠义齿修复治疗前后基牙牙周组织变化情况,了解其临床疗效.方法:选择20例中重度牙周病伴牙列缺损的病例.患牙经过牙周基础治疗和根管治疗后,采用圆锥型套筒冠义齿修复,共制作26副圆锥型套简冠义齿.基牙共149个,其中I度松动25个,Ⅱ度松动113个,Ⅲ度松动11个.平均随访3.5年,)观察基牙菌斑指数、牙龈指数、牙周袋深度、牙松动度以及影像学改变,并通过问卷调查义齿戴入后病人的:主观感受.结果:20例中重度牙周病伴牙列缺损的病例,基牙松动度降低,牙周袋变浅,牙周组织的健康情况得到显著改善,病人主观感觉满意.结论:采用圆锥型套筒冠义齿修复治疗中重度牙周病伴牙列缺损是一种较理想的方法.     

不同材质套筒冠义齿修复轻中度牙周病伴牙列缺损的临床观察

目的：比较三种不同修复材料套筒冠义齿修复轻中度牙周病伴牙列缺损病例的临床疗效.方法：15例轻中度牙周病伴牙列缺损患者,进行完善根管治疗及牙周基础治疗后设计制作21副圆锥型套筒冠义齿,其中11副使用钴铬合金内外冠固位,6副使用金沉积内外冠固位,4副使用氧化锆内冠及金沉积外冠固位.基牙共105颗,其中Ⅰ度及Ⅱ度松动牙85颗.随访3年比较修复前后基牙牙周探诊深度（PD）,基牙松动度,患者满意度.结果：15例患者共21副圆锥型套冠义齿使用良好,牙齿松动度及牙周探诊深度变小（P＜0.05）,患者满意度明显高于卡环式可摘局部义齿.义齿使用2年后3例钴铬合金套筒冠义齿和1例金沉积套筒冠义齿固位力下降,而4例氧化锆内冠及金沉积外冠套筒冠义齿固位良好,无下降趋势.结论：不同材料的套筒冠义齿对轻中度牙周病伴牙列缺损病例具有良好的临床疗效.利用氧化锆内冠和金沉积外冠固位的套筒冠义齿持久固位力优于金沉积套筒冠义齿,更明显优于钻铬合金套筒冠义齿.     

套简冠附着体义齿修复多数牙缺失的临床效果评价

目的探讨套筒冠附着体义齿修复多数牙缺失的临床效果。方法收集单颌多数牙缺失、仅余留2～6颗天然牙的患者15例,制作套筒冠义齿18件,随访6个月一2年,询问患者对义齿的主观感受、咀嚼效率、义齿固位和稳定性,摄X线全景片,了解义齿、基牙和牙周情况。结果患者普遍认为义齿易适应、美观、固位稳定性好、咀嚼有力。12例曾使用过传统可摘局部义齿的患者对比两种义齿,明显感觉套筒冠义齿更加舒适、美观、稳定。复查X线片示套筒冠修复后各基牙牙周膜正常,牙槽骨无明显吸收。结论套简冠义齿修复多数牙缺失的牙列缺损临床效果良好。     

Follow-up study of periodontal tissues around the abutment teeth in Konus telescope denture

The purpose of this study was to evaluate the periodontal tissues around the 47 abutment teeth in patients with advanced periodontitis for 5 years maintenance periods. The periodontal and prosthetic treatment were carried out and 16 Konus telescope dentures were applied for 11 patients. During 5 years maintenance therapy, periodontal conditions were observed once a year assessing probing depth, attachment level, tooth mobility index, gingival index, marginal alveolar bone height, width of periodontal ligament and loss of lamina dura. The results showed that increase of probing depth in 0.61 mm and attachment loss in 0.78 mm were observed for 5 years. A slight gingival inflammation occurred and tooth mobility increased in some extent. Enlargement of periodontal ligament space and loss of lamina dura in 40% of abutment teeth were observed for 5 years. There were six decayed teeth, six teeth, from which a intracoronal crown was removed, and two extracted teeth in 47 abutment teeth. In conclusion, the periodontal tissues around abutment teeth in Konus telescope denture changed slightly at one year after denture placement, after which, the periodontal tissues were well maintained.     

Maintenance and the clinical evaluation of periodontal patients in Konus-Telescope denture

In order to assess by periodontal evaluation the changes that might occur with time in the abutment teeth and periodontal tissues when Konus-Telescope dentures are used as that final treatment of periodontal disease, the dentures (15 units) were placed in 13 patients with missing tooth and periodontal disease and findings at the time of denture placement and 30 months after the placement were compared. The number of cases that exhibited significant changes in hygiene level, tissue inflammation and periodontal pocket depth of the abutment teeth after 30 months was very small, while as many as 85.2% of the abutment teeth showed decrease in tooth mobility. Increase in tooth mobility was not detected in any of the cases. In addition, X-ray examination revealed tendencies toward improvement of the periodontal ligament and remission of alveolar bone resorption in many of the cases. These results suggest that Konus-Telescope denture is highly offers protection of the residual periodontal tissues through its secondary splint action.     

Stress distribution of abutments and base displacement with precision attachment- and telescopic crown-retained removable partial dentures

Five types of removable partial dentures (two attachment dentures, two telescopic dentures and one clasp denture) were designed. The two attachment dentures were retained by the rigid-precision attachments with or without a stabilizing arm, and the two telescope dentures were retained with cone telescope crowns with or without cross-arch stabilization. The stresses acting on abutment teeth and denture bases and the movements of denture bases were investigated, and the influences of denture design were clarified. The stress acting on a terminal abutment tooth retained by a rigid-precision attachment or cone telescopic crown was larger than that acting on a terminal abutment tooth retained by a clasp. The attachment dentures tended to concentrate more stress at the terminal abutment tooth than did the telescopic dentures. The stress of denture base of an attachment denture and a telescopic denture was less than that of a clasp denture. There was no difference between the stresses of attachment and telescopic dentures. The displacement of the denture base tended to be less when the denture was designed with a rigid connection for the retainer and with cross-arch stabilization.     

A clinical study of the periodontal status of abutment teeth supporting swinglock removable partial dentures—A pilot study

Eleven patients wearing mandibular swinglock bilateral distal extension removable partial dentures opposing maxillary complete dentures were studied for a period up to 2 years. They had moderate to advanced periodontal disease with retrograde mobility patterns. Periodontal therapy, as well as treatment of dental carious lesions, was completed before fabrication of the prosthesis. Recordings of the gingival status, pocket depth, plaque score, tooth mobility, and dental caries were made at the time of the placement of the prosthesis and thereafter at 6-month intervals. Final results were obtained at the end of 2 years in six patients (group A) and at 1/12 years in five patients (group B).Our findings show that both groups had a statistically significant increase in gingival inflammation. However, no differences in degree of inflammation were observed between the two groups with regard to the status of gingival tissues that were covered and uncovered by the components of the swinglock removable partial denture. Also, no statistically significant differences in pocket depths and plaque scores were found between the time of placement of the swinglock removable partial denture and the final recall visit. Of the 61 abutment teeth, 85.2% had no significant change in mobility, 11.5% showed a substantial decrease in mobility, and 3.3% showed a considerable increase in mobility.The patients were able to successfully wear the swinglock removable partial denture without clinically significant changes in the supporting structures of the abutment teeth.This report is part of an ongoing study to determine the efficacy of swinglock removable partial dentures.     

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目的观察老年2型糖尿病患者全口磁性附着体覆盖义齿修复的临床效果。方法对2006年6月至2008年12月在山西医科大学第二医院口腔科进行全口磁性附着体覆盖义齿修复的老年2型糖尿病患者20例,检查并记录修复前、修复后1年、修复后2年的基牙菌斑指数、牙龈指数、牙周袋深度、牙槽骨高度和牙齿松动度,并进行统计学分析。结果覆盖全口义齿经3～4次修磨后均固位良好,组织无压痛,随访2年中所有覆盖基牙均无龋坏,牙周无脓肿,基牙菌斑指数、牙龈指数、牙周袋深度均有增加(P<0.05),牙槽骨高度变化不明显(P>0.05),牙齿松动度降低(P<0.05),患者反应良好。结论覆盖全口义齿可以免除拔牙的痛苦和等待创口愈合的时间,为老年2型糖尿病患者要求全口义齿修复提供了一个良好的选择。     

圆锥型套筒冠义齿修复牙周病伴牙列缺损的龈下菌丛分析

目的:探讨圆锥型套筒冠义齿修复牙周病伴牙列缺损的龈下菌群的分布情况。方法:纳入符合标准的受试者18例,受试位点36个,检查记录各牙周袋深度(PD)、牙龈指数(GI)。采集龈下菌斑标本,经厌氧培养基培养、鉴定,分别进行义齿修复前、后的基牙组与非基牙组龈下菌丛的比较。应用SPSS10.0软件进行χ2检验。结果:圆锥型套筒冠义齿修复3a后,基牙组的GI和PD均趋于正常,非基牙组的GI和PD较基牙组高;基牙组与非基牙组龈下菌斑内各类厌氧菌的阳性检出率高于修复前,基牙组中,牙龈卟啉单胞菌、二氧化碳噬纤维菌差异无统计学意义(P>0.05),其余各菌差异均有统计学意义(P<0.05);非基牙组内各菌差异均有统计学意义(P<0.05)。结论:圆锥型套筒冠义齿能有效控制牙周致病菌的聚集与附着,防止牙周病复发,可作为修复重度牙周病伴牙列缺损的优选修复体。     

高钉帽磁性附着体义齿在下颌牙槽嵴低平患者的应用

目的 高钉帽磁性附着体义齿在下颌牙槽嵴低平患者中的临床应用观察。方法 对15例下颌牙槽嵴低平患者采用高钉帽磁性附着体可摘义齿修复并进行2年的随访观察。结果 高钉帽磁性附着体可摘义齿修复患者的基牙牙槽骨吸收少,基牙松动度改变小,满意度高。结论 对于下颌低平牙槽嵴患者且基牙牙周情况良好的患者,高钉帽磁性附着体可摘义齿是一种较好的修复方式。