Long-term survival rate of implant-supported overdentures with various attachment systems: A 20-year retrospective study

Chang, Hao Sheng; Hsieh, Yao-Dung; Hsu, Ming Lun

doi:10.1016/j.jds.2014.06.004

Cited by 13 publications

(9 citation statements)

References 15 publications

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“…The costs associated with maintenance of attachments in IOD are high [ 58 ]. Among biological complications, several studies reported that implants in the IOD group also showed higher frequency of calculus deposition and clinical complications compared to implants in IC-RPD [ 51 , 59 ]. IC-RPD is easier to maintain than IOD.…”

Section: Discussionmentioning

confidence: 99%

New Rehabilitation Concept for Maxillary Edentulism: A Clinical Retrospective Study of Implant Crown Retained Removable Partial Dentures

Yoo

Kim

Heo

et al. 2021

JCM

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There have been no studies of implant-crown-retained removable partial dentures (IC-RPD) for the treatment of maxillary edentulism. The purpose of this study was to perform clinical and radiographic evaluations of implants in IC-RPD compared to implant overdentures (IOD) in maxillary edentulous patients. Twenty IC-RPDs with 74 splinted implant crowns and 18 IODs with 71 implants retained with magnet attachments were observed in 38 patients. We statistically analyzed survival rates and marginal bone loss (MBL) of implants based on multiple variables including first year pathologic condition, location of placed implant, age, and sex in both treatments. Patient reported oral measurements (PROMs) regarding functional/esthetic improvement after IC-RPD or IOD treatments and prosthetic complications were also statistically analyzed. After a median observation period of 47.1 months (up to 147 months), we observed 97.3% implant survival rates for IC-RPD and 70.4% for IOD (p < 0.001). Among variables, first year pathologic condition (p < 0.001) and sex (p = 0.027) influenced implant survival rates. The MBL of implants for IC-RPD and IOD groups at the final check-up were 1.12 ± 1.19 mm and 3.31 ± 1.71 mm, respectively (p < 0.001). In both groups, patients with peri-implantitis (p < 0.001) and patients older than 65 years (p = 0.029) showed significantly higher implant MBL regardless of treatment modality. Functional and esthetic satisfaction were significantly improved (p < 0.001) after both treatments. The IOD group showed more frequent prosthetic complications compared to the IC-RPD group. Within the limitations of a retrospective study, we concluded that RPD with few splinted implant crowns is a feasible alternative treatment modality for maxillary edentulous patients with anatomical limitations.

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Section: Discussionmentioning

confidence: 99%

New Rehabilitation Concept for Maxillary Edentulism: A Clinical Retrospective Study of Implant Crown Retained Removable Partial Dentures

Yoo

Kim

Heo

et al. 2021

JCM

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“…In various clinical trials, the long-term prognosis and predictability of implant-supported prostheses is well documented [ 8 ]. However, researchers do not yet fully understand the etiology of implant complications.…”

Section: Introductionmentioning

confidence: 99%

Clinical Evaluation of Complications in Implant-Supported Dentures: A 4-Year Retrospective Study

et al. 2017

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BackgroundImplants that can be used in the prosthetic rehabilitation of full and partial edentulous patients are now frequently used due to advances in dentistry. Despite advanced methods of applications, failures and complications can still be seen. The aim of our study was to evaluate clinical prosthetic values and complications that occurred during 4-year follow-up in implant-supported restorations.Material/MethodsThis retrospective study included 40 patients who received oral rehabilitation with an implant-supported prosthesis. A total of 162 implants were placed: 99 in the maxilla and 63 in the mandible. The prosthetic and surgical data were recorded. Data including prosthetic complications and implant loss were recorded and statistically analyzed using Cox proportional hazard regression analysis.ResultsIn total, 159 implants (98.14%) survived, 3 implants (1.86%) failed, and 100% of the protheses were successful. There were 62 dental implants used as abutments for removable dentures and 97 for fixed dentures. The most frequent prosthetic complications after placement of an implant-supported prosthesis were loss of retention, mucositis, abutment screw loosening, and fracture. Patient satisfaction after prosthesis use was also evaluated, showing that satisfaction was systematically increased.ConclusionsTo minimize the frequency of complications, protocols must be established from diagnosis to the completion of treatment and follow-up of implant-supported prostheses, especially in terms of adequate technical steps and careful radiographic evaluation of the components.

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“…3,4 Different studies have evaluated retentive force, prosthodontic complications, clinical outcomes and the financial aspects of these attachments. 5,6,7,8,9 However, the studies that analyze the peri-implant/ abutment microbiological environment and its influence on the clinical outcome with regards to different overdenture attachments are scarce. 10 Since overdentures are most commonly employed for elderly and geriatric patients, the oral hygiene tends to worsen with time with subsequent plaque accumulation that occur some time after the dentures delivery.…”

Section: Introductionmentioning

confidence: 99%

A Comparison of microbial flora in peri-implant sulcular fluid of ball versus locator retained mandibular implant overdentures. A randomized crossover study

Osman

Fahmy

2019

Egyptian Dental Journal

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Purpose: To evaluate the microbial flora in peri-implant sulcular fluid of edentulous patients rehabilitated with ball and socket and locator retained mandibular 2-implant overdentures. Materials and Methods: 14 edentulous patients were recruited to receive two mandibular implant overdentures and new conventional maxillary complete dentures. Mandibular implant overdentures (MIODs) were retained either by locator or ball attachment systems in random order. After 6 months of function, the attachment systems in the existing dentures were replaced with the other type of attachment. The prevalence of streptococci and staphylococci species (spp.) was analyzedusing blood-agar media at 3, 6 and 9 weeks after pickup of attachments. The data was then collected, tabulated and statistically analyzed using SPSS. Results: No significant difference was found in bacterial count of either Streptococcus or Staphylococcus spp. between two attachment systems (Ball and socket, Locator) at any of the evaluated time intervals with P-value > 0.05 Conclusions: Within the limitations of this study, it can be concluded that there is no difference in microbial flora between the two attachment systems. It can also be suggested that the locator attachments are valid treatment alternative for ball abutments to retain mandibular 2-implant overdentures from a biological point of view.

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Long-term survival rate of implant-supported overdentures with various attachment systems: A 20-year retrospective study

Cited by 13 publications

References 15 publications

New Rehabilitation Concept for Maxillary Edentulism: A Clinical Retrospective Study of Implant Crown Retained Removable Partial Dentures

New Rehabilitation Concept for Maxillary Edentulism: A Clinical Retrospective Study of Implant Crown Retained Removable Partial Dentures

Clinical Evaluation of Complications in Implant-Supported Dentures: A 4-Year Retrospective Study

A Comparison of microbial flora in peri-implant sulcular fluid of ball versus locator retained mandibular implant overdentures. A randomized crossover study

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