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A systematic review about randomized clinical trials on digital impressions on sound teeth 关于健康牙齿数字印模随机临床试验的系统综述
IF 0.4 Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2019-03-01 DOI: 10.23805/JO.2019.11.01.01
A. Biagioni, M. Pecciarini, M. Ferrari
Aim In the dental literature there are a number of studies about digital impressions. They mainly are focused on the reproducibility of the measurements or on the validity, accuracy, trueness and precision of the scans compared with conventional materials, or on the reaction of patients to these new methods. The purpose of this study was to systematically review existing clinical trials reporting about intra oral scanning procedures on sound teeth. Materials and methods  PubMed, Cochrane Library and Web of Science databases were electronically searched and enriched by hand searches. The query terms “randomized clinical trials”, “in vivo study”, “sound teeth”, “intraoral scanner”, “digital dentistry” combined with the Boolean operators “OR” and “AND” have been used. No language or time limitation was applied.  Selection criteria: oly randomized in vivo studies where sound teeth had been scanned intraorally were considered. Results Twenty-four out of more than three hundred studies were selected for the review. Conclusion In literature there are enough randomized clinical trials about sound teeth. They report about many clinical aspects.
目的在牙科文献中有许多关于数字印模的研究。它们主要集中在测量的可重复性,或与传统材料相比扫描的有效性、准确性、真实性和精密度,或患者对这些新方法的反应。本研究的目的是系统地回顾现有的关于口腔内扫描对健康牙齿的临床试验报告。资料与方法对PubMed、Cochrane Library和Web of Science数据库进行电子检索,手工检索丰富。查询词“随机临床试验”、“体内研究”、“声音牙齿”、“口内扫描仪”、“数字牙科”与布尔运算符“OR”和“and”结合使用。没有语言或时间限制。选择标准:只考虑在口腔内扫描健全牙齿的随机活体研究。结果300多项研究中有24项入选。结论文献中关于健全牙齿的随机临床试验较多。他们报告了许多临床方面。
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引用次数: 4
Functional Implant Prosthodontic Score of a one-year prospective study on three different connections for single-implant restorations 单种植体修复中三种不同连接方式为期一年的前瞻性研究的功能性种植体修复评分
IF 0.4 Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2018-11-14 DOI: 10.23805/JO.2018.10.04.04
E. F. Cagidiaco, F. Carboncini, S. Parrini, T. Doldo, M. Nagni, N. Nuti, M. Ferrari
Aim The aim of this prospective clinical trial was to analyze, using the Functional Implant Prosthodontic Score (FIPS), the clinical resultsof three different abutment-implant connections (1 hexagon vs 2 conical types) single-unit restorations after one year of clinical service. Material and methods Thirty patients were restored with cement-retained crowns on soft tissue level implants (10 TTc Windmix, 10 TTk Windmix and 10 Aadva GC) in posterior sites and followed-up for 1 year. FIPS was applied for objective outcome assessment beside clinical and radiographic examinations. Five variables were defined for evaluation, resulting in a maximum score of 10 per implant restoration. The patients’ level of satisfaction was recorded and correlated with FIPS. Results All implants and connected crowns revealed survival rates of 100% without any biological or technical complications after three years of loading. The total FIPS recorded for group 1 was 44, 43 in group 2 and 42 in group 3. The mean total FIPS score was 8.6±1.1, ranging from 6 to 10. The variable “bone” revealed the highest scores (2.0; range: 2–2), as well “occlusion” (2.0; range: 2–2). Mean scores for “design” (1.7 ±0.4; range: 1–2), “mucosa” (1.6±0.5; range: 1–2), and “interproximal” (1.5±0.6; range: 1–2) were more challenging to satisfy. The patients expressed a high level of functional satisfaction (80.5±2.5; range: 65–100). No type of connection showed to be superior to the other two. No statistically significant differences were found among the three tested groups. A significant correlation was found between FIPS and the subjective patients’ perception with a coefficient of 0.80 (P < 0.0001). Conclusions The findings of the clinical trial indicated the great potential of both conical and hexagon connections and their good performance after 1 year of clinical service. FIPS showed to be an objective and reliable instrument to assess implant success.
目的本前瞻性临床试验的目的是利用功能性种植体修复评分(FIPS)分析三种不同的基牙-种植体连接(1种六边形与2种圆锥型)单单元修复体在临床服务一年后的临床结果。材料与方法对30例患者后侧软组织水平种植体(TTc Windmix 10例,TTk Windmix 10例,Aadva GC 10例)进行骨水泥保留冠修复,随访1年。FIPS应用于临床和影像学检查之外的客观结果评估。定义了五个变量进行评估,每个种植体修复的最高得分为10分。记录患者满意度并与FIPS相关。结果所有种植体和连接冠的成活率均为100%,无任何生物或技术并发症。1组总FIPS为44,2组为43,3组为42。平均FIPS总分8.6±1.1分,评分范围为6 ~ 10分。变量“骨头”的得分最高(2.0;范围:2-2),以及“遮挡”(2.0;范围:2 - 2)。“设计”的平均得分(1.7±0.4;范围:1-2),“粘膜”(1.6±0.5;范围:1-2)和“近端间”(1.5±0.6;范围:1-2)更难满足。患者表现出较高的功能满意度(80.5±2.5;范围:65 - 100)。没有哪一种连接方式比其他两种更优越。三组间无统计学差异。FIPS与患者主观知觉存在显著相关,相关系数为0.80 (P < 0.0001)。结论经过1年的临床应用,锥形连接和六边形连接均有很大的应用潜力和良好的应用效果。FIPS是评估种植体成功的客观可靠的工具。
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引用次数: 17
A study to assess the bone formed around immediate postextraction implants grafted with Concentrated Growth Factor in the mandibular posterior region 一项评估下颌后区植入浓缩生长因子后立即拔牙种植体周围骨形成的研究
IF 0.4 Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2018-11-14 DOI: 10.23805/JO.2018.10.04.03
S. Manoj, J. Punit, H. Chethan, J. Nivya
Aim Extraction of the teeth and a healing period of 4-6 months followed by implant placement is a common procedure for the treatment of teeth with bad prognosis. This study was done to assess radiographically the quantity and quality of bone formed in the region of mandibular first molar after extraction of the tooth and immediate implant placement with Concentrated Growth Factor (CGF) grafting. Materials and methods A total of 10 subjects were selected for this prospective study. Extraction of mandibular first molars was carried out and implants were immediately placed with CGF grafting. A Cone Beam Computed Tomography (CBCT) was taken immediately after implant placement and after six months of undisturbed healing, radiographic evaluation was carried out using CBCT to assess the quantity and quality of new bone formed around implants. The collected data were statistically analyzed. Results CBCT results showed a mean bone gain of 2.3 mm in buccal, 1.52 mm in lingual, 2.97 mm in mesial and 4.26 mm in distal aspect respectively. No statistically significant change was noticed in bone density comparing the first two and last two threads of implants inserted with concomitant placement of CGF into the extraction socket. Conclusion This study indicates the possibility to perform immediate implant placement in fresh extraction sockets with the use of CGF as an alternative to conventional grafting. Further research needs to be carried out on the subject to validate the results obtained in this study.
目的对预后不良的牙进行拔牙和4-6个月的愈合后再植入种植体是一种常见的治疗方法。本研究通过x线摄影评估下颌第一磨牙拔牙后即刻种植集中生长因子(CGF)移植后骨形成的数量和质量。材料与方法本前瞻性研究共选择10名受试者。拔除下颌第一磨牙,即刻植体CGF移植。种植体放置后立即进行锥形束计算机断层扫描(CBCT),在无干扰愈合六个月后,使用CBCT进行放射学评估,以评估种植体周围形成的新骨的数量和质量。对收集到的数据进行统计分析。结果CBCT结果显示,颊部平均增骨2.3 mm,舌部平均增骨1.52 mm,中端平均增骨2.97 mm,远端平均增骨4.26 mm。在拔牙槽内同时放置CGF的前两根和后两根种植体的骨密度没有统计学上的显著变化。结论本研究提示使用CGF在新鲜拔牙槽内进行即刻种植的可能性,可作为传统移植的替代方法。需要对该主题进行进一步的研究以验证本研究获得的结果。
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引用次数: 6
A New Generation of Orthodontic retainer using 3d printing technology: clinical cases report 应用3d打印技术的新一代正畸固位器:临床病例报告
IF 0.4 Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2018-11-14 DOI: 10.23805/JO.2018.10.04.06
T. Doldo, L. Vece, E. F. Cagidiaco, N. Nuti, S. Parrini, F. Carboncini, M. Ferrari
Aim In this article the fabrication and use of new type 3D printed splint of retainer after orthodontic treatments is reported. Case report Two cases, one of an adoescent female patient and the other of an adult female, are presented, describing step-by-step the clinical and laboratory procedures. The controls after 6 months are also reported. Conclusion Further randomized clinical trials are required in order to evaluate durability and efficacy and periodontal parameters in patients treated with this new type of retainer.
目的报道新型3D打印固位器夹板在正畸治疗后的制作和应用。病例报告两个病例,一个是青少年女性患者,另一个是成年女性患者,介绍了逐步的临床和实验室程序。6个月后的对照也有报告。结论需进一步的随机临床试验来评估使用该新型固位器的患者的耐久性、有效性和牙周参数。
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引用次数: 3
Implant-retained overdenture using self-aligning and short profile attachments and palateless maxillary denture: a case report 种植保留覆盖义齿采用自对准短轮廓附着体与无腭上颌义齿:1例报告
IF 0.4 Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2018-11-14 DOI: 10.23805/JO.2018.10.04.05
A. Adl, A. Fayyad, M. Mostafa, A. Alsourori
Aim A case is reported of the rehabilitation of a completely edentulous patient suffering from gagging problems and with low financial resources with conventional complete dentures. Case report A 55 years old patient came to the outpatient clinic of the prosthodontics department, Faculty of Oral and Dental Medicine, Cairo University seeking for complete denture prosthesis to restore function and esthetics. He reported problems with his complete dentures as he had an exaggerated gagging reflex which interfered with upper denture wearing. Besides, his mandibular denture was unstable and poorly fitted. This patient was strongly recommended for implant prosthesis and, because of his low financial conditions, an implant overdenture was the most proper treatment. Four implants were placed in the upper arch with self-aligning attachment and two implants in the lower arch with self-aligning attachments. Conclusion Implant overdenture is a simple, easy, comfortable, effective solution for restoring edentulous patients at a low cost and with no need for bone augmentation procedures.
目的报告了一例全牙无牙患者的康复,患者患有呕吐问题和财政资源不足,采用传统的全口义齿。病例报告一名55岁的患者来到开罗大学口腔医学学院修复科门诊,寻求全口义齿修复以恢复功能和美观。他报告了他的全口义齿的问题,因为他有一个夸张的呕吐反射,干扰了上口义齿的佩戴。此外,他的下颌义齿不稳定且不合适。该患者被强烈推荐种植义齿,由于其经济状况不佳,种植覆盖义齿是最合适的治疗方法。在上弓放置4个自对准附着体,在下弓放置2个自对准附着体。结论种植覆盖义齿是一种简单、方便、舒适、有效的修复无牙患者的方法,且成本低,无需骨增强手术。
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引用次数: 0
Comparison of the suitability of intra-oral scanning with conventional impression of edentulous maxilla in vivo. A preliminary study 口腔内扫描与常规印模在体无牙颌的适用性比较。初步研究
IF 0.4 Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2018-11-14 DOI: 10.23805/JO.2018.10.04.02
L. D'arienzo, A. D'Arienzo, A. Borracchini
Aim According to recent literature, the accuracy of digital impression can be compared with traditional impressions for most indications. However, little is known about their suitability in digitizing edentulous jaws in view of mobile prosthetic rehabilitation. The aim of this study was to compare in vivo an intra-oral scanner with conventional impression in case of maxillary edentulous jaws. Material and methods Four (1 male, 3 female) subjects who had no previous experience with either conventional or digital impression participated in this study. Digital impression were taken using an intra-oral scanner. After that conventional impressions of maxillary edentulous jaws were taken with an irreversible hydrocolloid impression material. Then all IOSs datasets were loaded in a three-dimensional evaluation software (3DReshaper 2017, Hexagon), where they were superimposed on the model obtained using conventional impression and compared. Results The mean value of difference between the two impression techniques ranged from 219 to 347 μm. The comparison of models obtained with the two techniques showed that the compression given by the impression material on the peripheral areas, such as oral vestibule and soft palate, determined the most important differences recorded. Conclusion Digitizing edentulous jaws with the use of IOS appeared to be feasible in vivo, although peripheral tissue were not effectively reproduced. On the basis of the results of this study, the authors could not recommend the use of IOS for digitization of edentulous jaws in vivo in view of mobile prosthetic rehabilitation, until it will be found a way to give a selective pressure in peripheral areas as occurs during edging of impression tray.
目的根据最近的文献报道,在大多数适应症中,数字印模的准确性可以与传统印模相媲美。然而,考虑到移动假肢康复,它们在数字化无牙颌中的适用性知之甚少。本研究的目的是比较口腔内扫描仪与常规印模在上颌无牙颌的体内情况。材料与方法4名受试者(男1名,女3名)均无传统印模或数字印模经验。使用口腔内扫描仪进行数字印模。然后用不可逆的水胶体印模材料对上颌无牙颌进行常规印模。然后将所有的IOSs数据集加载到三维评估软件(3DReshaper 2017, Hexagon)中,将它们叠加在使用常规印象获得的模型上并进行比较。结果两种印模方法的平均差值为219 ~ 347 μm。两种方法得到的模型比较表明,印模材料对口腔前庭和软腭等周围区域的压迫决定了所记录的最重要差异。结论应用IOS技术数字化无牙颌在体内是可行的,但周围组织不能有效地复制。基于本研究的结果,作者不建议在移动假肢康复中使用IOS进行无牙颌数字化,直到找到一种方法在印模托盘边缘过程中对周围区域施加选择性压力。
{"title":"Comparison of the suitability of intra-oral scanning with conventional impression of edentulous maxilla in vivo. A preliminary study","authors":"L. D'arienzo, A. D'Arienzo, A. Borracchini","doi":"10.23805/JO.2018.10.04.02","DOIUrl":"https://doi.org/10.23805/JO.2018.10.04.02","url":null,"abstract":"Aim According to recent literature, the accuracy of digital impression can be compared with traditional impressions for most indications. However, little is known about their suitability in digitizing edentulous jaws in view of mobile prosthetic rehabilitation. The aim of this study was to compare in vivo an intra-oral scanner with conventional impression in case of maxillary edentulous jaws. Material and methods Four (1 male, 3 female) subjects who had no previous experience with either conventional or digital impression participated in this study. Digital impression were taken using an intra-oral scanner. After that conventional impressions of maxillary edentulous jaws were taken with an irreversible hydrocolloid impression material. Then all IOSs datasets were loaded in a three-dimensional evaluation software (3DReshaper 2017, Hexagon), where they were superimposed on the model obtained using conventional impression and compared. Results The mean value of difference between the two impression techniques ranged from 219 to 347 μm. The comparison of models obtained with the two techniques showed that the compression given by the impression material on the peripheral areas, such as oral vestibule and soft palate, determined the most important differences recorded. Conclusion Digitizing edentulous jaws with the use of IOS appeared to be feasible in vivo, although peripheral tissue were not effectively reproduced. On the basis of the results of this study, the authors could not recommend the use of IOS for digitization of edentulous jaws in vivo in view of mobile prosthetic rehabilitation, until it will be found a way to give a selective pressure in peripheral areas as occurs during edging of impression tray.","PeriodicalId":42724,"journal":{"name":"Journal of Osseointegration","volume":"15 1","pages":"115-120"},"PeriodicalIF":0.4,"publicationDate":"2018-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89429012","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
Maxillary sinus augmentation with concentrated growth factors: radiographic evaluation 上颌窦浓缩生长因子增强术:影像学评价
IF 0.4 Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2018-11-14 DOI: 10.23805/JO.2018.10.04.01
M. Shetty, Ruchi Kalra, C. Hegde
Aim This in vivo study aims to compare the quantity and quality of bone formation around dental implants inserted following Tatum’s approach with placement of Concentrated Growth Factors (CGF). Materials and methods This prospective study involved 20 patients requiring maxillary sinus augmentation for missing maxillary first molars. These patients were randomly divided into two groups: one in which sinus augmentation was followed by placement of CGF and simultaneous implant placement and the other in which no grafting material was used also followed by immediate implant placement. Radiographic assessment was carried out six months postoperatively using Cone Beam Computed Tomography (CBCT) to assess the quantity and quality of the new bone formed. Results CBCT analysis showed a mean bone gain of 3.193 mm in subjects in the test group and 4.47 mm in the control group. Also, a statistically significant difference was noted in bone quality in the test group when compared to controls. Conclusion This study indicates that direct sinus augmentation with CGF and immediate implant placement is a viable treatment option for the atrophic posterior maxilla. However, further studies are required to validate the quantity of bone formation preferably using Computed Tomography (CT).
目的本体内研究旨在比较Tatum入路与CGF植入牙种植体周围骨形成的数量和质量。材料与方法:本前瞻性研究纳入20例上颌第一磨牙缺失患者。这些患者被随机分为两组:一组鼻窦增强后放置CGF并同时放置种植体,另一组不使用移植材料并立即放置种植体。术后6个月采用锥形束计算机断层扫描(CBCT)评估新骨形成的数量和质量。结果CBCT分析显示,试验组平均骨增3.193 mm,对照组平均骨增4.47 mm。此外,与对照组相比,实验组的骨质量也有统计学上的显著差异。结论CGF直接窦内提升和即刻种植是治疗后上颌萎缩的一种可行的方法。然而,需要进一步的研究来验证骨形成的数量,最好使用计算机断层扫描(CT)。
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引用次数: 7
An unconventional approach for retrieval of fractured prosthetic screw: A case report 一种非传统方法修复骨折假体螺钉:1例报告
IF 0.4 Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2018-07-27 DOI: 10.23805/JO.2018.10.03.02
Aniruddha Joshi, V. Kale, G. Suragimath, S. Zope
Background Implant-supported restorations can fail biologically or mechanically. Mechanical failures include crown fracture, framework fracture, screw loosening, and screw fracture. Fracture of the implant abutment screw can be a serious problem leading to implant failure. Unavailability of universal standard screw retrieval kit in market makes it difficult to retrieve the fractured screw of various implant systems.Conclusion This clinical report describes the management of an implant prosthetic screw fracture using an unconventional technique and simple armamentarium available in regular clinic setup.
种植体支持的修复体可能在生物学上或机械上失败。机械故障包括冠断裂、框架断裂、螺钉松动、螺钉断裂。种植体基台螺钉断裂是导致种植体失败的一个严重问题。市场上没有通用的标准螺钉回收工具,使得各种种植体系统的骨折螺钉难以回收。结论本临床报告描述了一种非常规的技术和常规临床设置的简单器械对种植体螺钉骨折的处理。
{"title":"An unconventional approach for retrieval of fractured prosthetic screw: A case report","authors":"Aniruddha Joshi, V. Kale, G. Suragimath, S. Zope","doi":"10.23805/JO.2018.10.03.02","DOIUrl":"https://doi.org/10.23805/JO.2018.10.03.02","url":null,"abstract":"Background Implant-supported restorations can fail biologically or mechanically. Mechanical failures include crown fracture, framework fracture, screw loosening, and screw fracture. Fracture of the implant abutment screw can be a serious problem leading to implant failure. Unavailability of universal standard screw retrieval kit in market makes it difficult to retrieve the fractured screw of various implant systems.Conclusion This clinical report describes the management of an implant prosthetic screw fracture using an unconventional technique and simple armamentarium available in regular clinic setup.","PeriodicalId":42724,"journal":{"name":"Journal of Osseointegration","volume":"19 1","pages":"75-78"},"PeriodicalIF":0.4,"publicationDate":"2018-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79848888","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Obesity and dental implant treatment: a review 肥胖与种植牙治疗:综述
IF 0.4 Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2018-07-27 DOI: 10.23805/JO.2018.10.03.05
Lyly Sam, S. Chattipakorn, P. Khongkhunthian
Aim Success of dental implants depends mainly on osseointegration between bone and titanium surface. Since osseointegration relies on balanced bone turnover, it can be assumed that any conditions that interfere with homeostasis of bone modelling/remodeling might be detrimental to survival of dental implants. Obesity has become a serious public health problem, and has been shown to be closely linked to a wide array of pathophysiologic consequences, including insulin resistance or pre-diabetes. Obese-insulin resistance or pre-diabetic condition is characterized by hyperinsulinemia with euglycemia. The impacts of type 2 diabetes mellitus (T2DM) on the success of dental implants and the factors to improve osseointegration in diabetic condition have been thoroughly investigated. Much evidence demonstrated that T2DM impaired the bone healing around dental implants, possibly due to hyperglycemic condition. However, the effect of obese-insulin resistant condition or pre-diabetes on survival of dental implants has not been investigated. This review aims to summarize the current findings of effect of obesity toward bone health and osseointegration of dental implants.Conclusion The studies favor the relatively negative impact of diabetes on osseointegration, but more scientific studies are necessary.
目的种植体的成功与否主要取决于骨与钛表面的骨融合。由于骨整合依赖于平衡的骨转换,因此可以假设任何干扰骨建模/重塑稳态的条件都可能不利于种植体的存活。肥胖已成为一个严重的公共健康问题,并已被证明与一系列广泛的病理生理后果密切相关,包括胰岛素抵抗或糖尿病前期。肥胖-胰岛素抵抗或糖尿病前期状况的特征是高胰岛素血症伴高血糖。2型糖尿病(T2DM)对种植体成功的影响以及改善糖尿病患者骨整合的因素已被深入研究。许多证据表明,T2DM损害了种植体周围的骨愈合,可能是由于高血糖状态。然而,肥胖-胰岛素抵抗状态或糖尿病前期对种植体存活的影响尚未研究。本文就肥胖对种植体骨健康和骨整合影响的研究进展进行综述。结论糖尿病对骨整合有相对负面的影响,但还需要更多的科学研究。
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引用次数: 0
Impact of single implant versus two-implant mandibular retained overdentures on retention and success rate in totally edentulous patients. A Randomized Controlled Clinical Trial 单种植体与双种植体下颌固位覆盖义齿对全无牙患者固位和成功率的影响。一项随机对照临床试验
IF 0.4 Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2018-07-27 DOI: 10.23805/JO.2018.10.03.03
A. Alsourori, M. Mostafa, A. Kaddah, A. Fayyad, A. Adl, M. Swedan
Aim Purpose of this RCT was to evaluate the denture retention and success rate of totally edentulous patients in single median versus two inter-foraminal implant-supported mandibular over-dentures on.Material and methods Twenty-four totally edentulous patients were selected in this trial. The eligible patients were allocated randomly into two equivalent groups of 12 participants each. A single-implant (G I) or two inter-foraminal implants (GII) were located in the mandible. Three months later, pick up of the locator attachment wa performed to  all  implants and  denture bases. Assessments of denture retention and success rate of implants were measured at the three, six, and twelve month's follow-up assessments. The study consists of twenty-four totally edentulous patients (14 males and 9 females) with age range of 59.6 years. Thirty six implants were inserted (12 in single-implant and 24 in the two inter-foraminal implants). All patients accomplished the twelve months period of follow-up.Results Regarding  denture retention, the two inter-foraminal implant group (GII) showed statistically significant differences compared to the single-implant group (GI). Concerning success criteria of implants the results revealed insignificant differences between patients in  both groups.Conclusion Single-implant mandibular over-dentures may be recommended as an alternate treatment option for the management of edentulous patients in populations with low economic status.
目的评价全牙无牙患者单中位与双孔间种植覆盖义齿的固位率和成功率。材料与方法选择24例全牙无牙患者。符合条件的患者被随机分为两组,每组12人。单个种植体(gi)或两个椎间孔种植体(GII)位于下颌骨。三个月后,将定位器连接到所有种植体和义齿基托上。在随访3个月、6个月和12个月时评估义齿固位和种植成功率。研究对象为24例无牙患者,男14例,女9例,年龄59.6岁。共植入36个种植体(单种植体12个,两个椎间孔内种植体24个)。所有患者均完成了12个月的随访。结果在义齿固位方面,两孔间种植组(GII)与单孔间种植组(GI)相比差异有统计学意义。关于种植体的成功标准,两组患者的结果差异不显著。结论在经济条件较差的人群中,单种植下颌覆盖义齿可作为无牙患者的一种替代治疗方法。
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引用次数: 4
期刊
Journal of Osseointegration
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