球帽附着体种植覆盖义齿修复牙槽嵴重度萎缩无牙下颌

目的：总结分析BEGO种植体系统球帽附着体固位覆盖义齿,修复重度牙槽骨萎缩无牙下颌的临床应用与效果。方法：对重度牙槽骨萎缩、普通义齿固位极度不良的7例下颌无牙颌患者,在下颌骨前牙区植入2-3枚BEG0柱形螺旋种植体,共植入种植体17枚,后期采用球基台作球帽附着体固位覆盖义齿修复,定期复诊观察评价种植和覆盖义齿修复效果。结果：全部17枚种植体均顺利一期愈合,愈合周期平均3个月,球帽附着体覆盖义齿修复后经6-12个月观察,义齿稳定、咀嚼功能恢复理想,容貌改善明显,患者满意。结论：种植体支持球帽附着体固位覆盖义齿修复牙槽骨重度萎缩无牙下颌,可有效恢复咀嚼功能,改善患者容貌,提高患者生活质量,同时球帽附着体修复,简单经济,易于保持口腔清洁,可以推广。     

种植体支持球帽附着体固位下颌覆盖总义齿的临床应用

目的：探讨球帽附着体固位的下颌种植覆盖总义齿的临床效果。方法：随机选择18例下颌牙列缺失的患者,植入2颗种植体,利用球帽附着体固位制作的覆盖义齿,随访6个月—4年,从患者主观感受和X射线检查两方面观察修复效果。结果：覆盖义齿的美观、舒适、固位稳定性好,咀嚼效率高。结论：种植体支持球帽附着体固位的下颌覆盖义齿修复下颌牙列缺失患者临床效果好。     

27例磁性附着体固位种植覆盖义齿临床体会

目的：评价磁性附着体固位种植覆盖义齿在牙槽骨严重吸收的无牙颌患者中运用的临床效果。方法：27例牙槽骨严重吸收的无牙颌患者,植入2—4枚牙种植体,3-6个月后进行种植体支持式磁性附着体固位覆盖义齿修复,定期复查,随访8—79个月。采用临床检查、x线检查和患者主观感受问卷来评价此类义齿的修复效果。结果：27例患者61枚种植体,1枚在修复前由于种植体周围炎松动被拔除,3枚在覆盖义齿修复后发生种植体周围炎松动被拔除,其余种植体均稳固无松动;27件种植覆盖义齿的固位、稳定、咀嚼功能均良好,患者满意度高。结论：运用磁性附着体固位种植覆盖义齿修复牙槽骨严重吸收的无牙颌能很好的恢复咀嚼功能,且制作方法简单,值得临床大力推广。     

CDIC种植体联合磁性附着体在种植覆盖义齿修复中的临床应用

目的：探讨CDIC种植体联合磁性附着体制作种植覆盖义齿修复牙列缺失的临床效果。方法：选取12例牙槽嵴萎缩或全口义齿固位不良的牙列缺失患者,在CDIC组合式骨内结合种植体支持的基础上,行磁性附着体覆盖义齿修复,对义齿的固位、咀嚼功能和使用情况进行2年的随访观察。结果：31枚种植体修复前均达到骨结合,平均愈合周期5个月;磁性附着体覆盖义齿修复后,义齿稳定,咀嚼功能、容貌改善明显,达到患者对美观和功能的要求。结论：CDIC种植体联合磁性附着体制作的种植覆盖义齿是修复牙列缺失的一种行之有效的方法,其性价比高,更宜临床推广应用。     

locator种植覆盖义齿在下颌无牙颌修复中的应用

目的：探讨locator附着体种植覆盖义齿在下颌无牙颌修复中的临床应用效果。方法：对12例下颌无牙颌患者,每名患者下颌植入2枚种植体,共24枚,3~4个月后完成locator附着体覆盖义齿修复。术后2年期间进行随访。结果：24枚种植体均无松动,骨无明显吸收,患者对义齿咀嚼及固位满意。结论：locator附着体固位的种植覆盖义齿是下颌无牙颌患者理想的修复方式。     

Locator附着体固位的种植覆盖义齿临床效果观察

目的观察Locator附着体固位的种植覆盖义齿的临床效果。方法对22例采用Locator附着体固位的种植覆盖义齿患者进行随访3年,并对患者的主观感受、临床检查及X线检查结果进行统计分析。结果在3年随访期内,所有种植体无松动,平均骨吸收为0.4±0.5mm,患者满意度高。结论 Locator附着体固位的种植覆盖义齿是牙列缺失患者可靠的修复方式。     

LOCATOR附着体在种植覆盖义齿的临床应用短期观察

目的:评价LOCATOR附着体在种植覆盖义齿的短期临床应用效果。方法:种植覆盖义齿修复下牙列缺失患者11例,全部采用LOCATOR附着体系统,制作覆盖义齿11件;单颌种植BEGO种植系统4枚,共44枚种植体。修复后平均追踪18个月,应用满意度的问卷调查,分析种植覆盖总义齿的合理性和稳定性;摄X线片检查种植体周围骨结合情况。结果:11例患者的种植覆盖义齿均可正常使用,患者对义齿的固位和咀嚼功能均满意,无不满意。结论:4枚LOCATOR附着体固位的种植覆盖义齿的操作简单,固位与稳定良好,患者满意,临床效果较好。     

二或四枚种植体支持的Locator覆盖义齿修复五年回顾

目的:比较下颌牙列缺失患者分别采用2枚或者4枚种植体支持的Locator覆盖义齿,修复5年后的临床效果。方法:选取采用2枚种植体(A组)和4枚种植体(B组)支持Locator覆盖义齿患者分别为20例、15例。评估2组患者满意度(整体满意度、咀嚼能力、说话适合性、固位和稳定性、舒适度),并检测咀嚼效率和边缘骨吸收值。结果:两组病人在整体满意度、咀嚼能力、说话适合性、固位和稳定性、舒适度及咀嚼效率、边缘骨吸收方面均无显著性差异(P>0.05)。结论:Locator种植覆盖义齿无论是采用2枚还是4枚种植体,5年后均能获得很好的临床效果,患者满意度高,但对其远期临床效果还有待观察。对于有可能出现义齿旋转的患者建议种植4枚种植体。     

磁性附着体种植覆盖义齿修复下颌牙槽骨重度吸收无牙颌患者的临床观察

目的：探讨磁性附着体种植覆盖义齿修复下颌牙槽骨重度吸收无牙颌患者的临床效果。方法：对下颌牙槽骨重度吸收、牙槽嵴低平的患者,在下颌尖牙位置植入2枚种植体,3—6个月后完成磁性附着体覆盖义齿修复。每隔6个月复诊一次,观察覆盖义齿使用情况,并结合口内检查和X线检查评价使用效果。结果：修复完成后2—3年,种植体骨结合良好,未见明显骨吸收;义齿固位良好,患者对美观及功能效果满意。结论：磁性附着体种植覆盖义齿修复下颌牙槽骨重度吸收无牙颌患者,能明显示改善义齿固位和咀嚼效果。     

种植体支持球帽附着体固位下颌覆盖全口义齿的临床应用

目的评价种植体支持球帽附着体固位下颌覆盖全口义齿的临床应用效果。方法 2006年6月至2010年5月完成种植体支持球帽附着体固位下颌覆盖全口义齿修复15例,每位患者植入2枚种植体,共植入30枚,随访时间1～4年。结果 15例种植体支持球帽附着体固位下颌覆盖全口义齿患者的义齿稳固,咀嚼功能良好。X线片显示随访期间种植体周围未见明显的骨吸收。结论种植体支持球帽附着体固位覆盖义齿临床效果可靠,可作为下颌无牙颌患者首选修复方式。     

Clinical experiences with patients with facial bone deformities associated with hemifacial microsomia.

Eighteen adult patients with hemifacial microsomia were treated with a combination of skeletal and augmentation surgery. Three typical cases are presented. In principle, skeletal and augmentation surgery have recently been performed in combination in a single stage. Groin flaps and scapular or scapular ostocutaneous flaps have mainly been employed for augmentation surgery.     

Vasovagal syncope with asystole associated with intravenous access

Two cases of vasovagal syncope (VVS) during venous access are reported. Both patients had a history of fainting episodes and experienced bradycardia with asystole, hypotension, and fainting. Pain and phobic stress during venous access triggered an increase in parasympathetic tone, resulting in bradycardia with asystole and hypotension in both cases. Hypotension and bradycardia likely caused cerebral hypoperfusion, leading to fainting. The intense parasympathetic tone triggered by somatic or emotional stress was likely responsible for directly depressing the sinus node, leading to asystole and bradycardia. Bradycardia with asystole progressing to syncope is a potentially fatal dysrhythmia in patients with cardiovascular disease or older patients with decreased cardiac function. Appropriate treatment for VVS includes the administration of intravenous fluids, vagolytics, ephedrine, and the rapid use of the Trendelenburg position. Intravenous fluids and atropine were used to treat the present patients.     

Inflammation associated with implants with different surface types

OBJECTIVES: The aim of this study was to determine the nature of the inflammatory infiltrate associated with different transmucosal implant surfaces in dogs. METHODS: Three experimental and one control single-stage implants were randomly placed on each side of the jaw in eight dogs. The transmucosal portion of the test implants consisted of an acid-etched surface (type A), a machined surface with a circumferential groove (type C) and a surface prepared by mild anodic oxidation (type D). The control was a standard machined surface (type B). In order to determine the response to the different surfaces, plaque control was carried out twice weekly following placement of the implants for the entire period of the experiment. At 6 months, gingival biopsies and plaque samples were obtained. The area of inflammatory infiltrate and the nature of the infiltrating cell types were determined using immunohistology. Real-time polymerase chain reaction was used to identify putative periodontal pathogens. RESULTS: Inflammatory infiltrates were associated with all implant surfaces and were commonly found subepithelially and perivascularly. T cells were the predominant infiltrating cell type in all lesions, associated with the different surfaces. In all lesions the CD4 : CD8 ratio was approximately 2 : 1. Statistical analysis showed that the type C surface (machined surface with a groove) had significantly larger inflammatory infiltrates than the type B surface (machined surface without a groove; P<0.05). No statistically significant differences were found with respect to the size of the inflammatory infiltrates or in terms of the nature of infiltrating cells. However, despite the intensive plaque control regime, plaque was present on all implant surfaces at the time of biopsy 6 months after placement. All implants had similar numbers of Tannerella forsythia, Fusobacterium nucleatum and Porphyromonas gingivalis. Actinobacillus actinomycetemcomitans, was not detected in any sample. CONCLUSIONS: These results suggest that the development of inflammation associated with implants is independent of surface type, but is nevertheless associated with the presence of plaque. The different surfaces had no influence on the nature of the infiltrate, with T cells being the predominant cell type in all lesions. Finally, the different implant surface types seemed not to influence the peri-implant microbiota. However, the presence of the circumferential groove tended to be associated with larger infiltrates. Whether this is due to increased plaque accumulation remains to be determined.     

Recurrent intraoral pyogenic granuloma with satellitosis treated with corticosteroids

The development of recurrent pyogenic granulomas as multiple satellite lesions has not been reported in the oral cavity. This report describes an unusual case of intraoral pyogenic granuloma recurring multiple times after surgical excisions with the formation of satellite lesions. Due to failure of surgical management, an alternative approach was taken. We illustrate how the lesions were successfully treated with a series of intralesional corticosteroid injections.