Survival and success rates of soft-milled cobalt-chromium-ceramic full-arch screw-retained implant-supported prostheses: a 2- to 7-year follow-up retrospective study

Arieli, A.; Fridenberg, Naama; Matalon, Shlomo; Pilo, Raphael

doi:10.1007/s00784-021-03842-7

Cited by 9 publications

(8 citation statements)

References 36 publications

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“…These studies reported that the milling/post-sintering technique might hold promise in fabricating Co-Cr dental restorations [ 21 , 22 ]. Yet, to our knowledge, only one study reported follow-up using milling/post-sintering Co-Cr frameworks for full-arch implant-supported metal-ceramic prostheses [ 12 ].…”

Section: Discussionmentioning

confidence: 99%

“…The detailed study protocol was previously described [ 12 ]. All patients received the same surgical and prosthetic protocol.…”

Section: Methodsmentioning

confidence: 99%

“…It was demonstrated that all three fabrication techniques exhibited acceptable, marginal fits; however, milling resulted in the most accurate marginal fit [ 11 ]. An in vivo study that retrospectively assessed the outcomes and complications of soft-milled Co-Cr-ceramic complete arch screw-retained implant-supported prostheses over a mean clinical follow-up of 4 years and found high implant and prosthesis survival rates, while 33% of the prostheses had technical complications [ 12 ].…”

Section: Introductionmentioning

confidence: 99%

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Outcomes and Complications of 33 Soft-Milled Cobalt-Chromium-Ceramic Full-Arch Screw-Retained Implant-Supported Prostheses: A Retrospective Study with up to 10-Year Follow-up

Heller

Beitlitum

Goldberger

et al. 2023

JFB

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This retrospective study assessed outcomes and complications related to implants and prostheses in edentulous patients treated with soft-milled cobalt-chromium-ceramic full-arch screw-retained implant-supported prostheses (SCCSIPs). After the final prosthesis was delivered, patients participated in an annual dental check-up program, including clinical and radiographic assessments. Outcomes of implants and prostheses were evaluated, and biological and technical complications were categorized as major or minor. Implant and prosthesis cumulative survival rates were assessed using the life table analysis. A total of twenty-five participants (mean age 63.6 ± 7.3 years) with 33 SCCSIPs were observed for a mean of 68.9 ± 27.9 months (range 1–10 years). A total of 7 out of 245 implants were lost, with no effect on prosthesis survival, leading to cumulative survival rates of 97.1% for implants and 100% for prostheses. The most recurrent minor and major biological complications were soft tissue recession (9%) and late implant failure (2.8%). Among 25 technical complications, porcelain fracture was the only major technical complication, requiring prosthesis removal (1%). Porcelain chipping was the most frequent minor technical complication, affecting 21 crowns (5.4%), which required polishing only. At the end of the follow-up, 69.7% of the prostheses were free of technical complications. Within the limitations of this study, SCCSIP showed promising clinical performance after 1–10 years.

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Section: Discussionmentioning

confidence: 99%

“…The detailed study protocol was previously described [ 12 ]. All patients received the same surgical and prosthetic protocol.…”

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Outcomes and Complications of 33 Soft-Milled Cobalt-Chromium-Ceramic Full-Arch Screw-Retained Implant-Supported Prostheses: A Retrospective Study with up to 10-Year Follow-up

Heller

Beitlitum

Goldberger

et al. 2023

JFB

Self Cite

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“…Nevertheless, since the Cobalt-Chromium (Co-Cr) alloys introduction, their usage became prevalent in the fabrication of implant-supported frameworks due to their good clinical performance. Fixeddetachable prosthesis with a casted metal framework and ceramic teeth is one of the most used definitive prostheses used in edentulous mandible due to its versatility, low cost, and predictable structural performance 8 . Despite this fact, the casted metal high density, casting problems, porosity, incompatibility with imaging techniques, impaired esthetics, hypersensitivity cases and metallic taste urged the research to develop other alternative framework materials 9 .…”

Section: Introductionmentioning

confidence: 99%

“…It is required to evaluate the health of the supporting tissues i.e., the peri-implant bone loss (PIBL) and soft tissues to detect early signs of disease and avoid any complication 5 . In addition, the prosthetic complications and maintenance events are crucial in determining the success of any implant supported prosthesis as it directly affects the patient satisfaction, quality of life and the cost of the treatment 8 .…”

Section: Introductionmentioning

confidence: 99%

Clinical, Radiographic, and Prosthetic Outcomes of Poly Ether Ether Ketone (PEEK) Versus Poly Ether Ketone Ketone (PEKK) Frameworks in Mandibular Fixed-Detachable Implant-Supported Prosthesis: A Randomized Clinical Trial

El-asfahani

Badr

2022

Egyptian Dental Journal

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Purpose: To evaluate the clinical, radiographic, and prosthetic outcomes of Poly Ether Ether Ketone (PEEK) versus Poly Ether Ketone Ketone (PEKK) frameworks in mandibular implantsupported fixed detachable prosthesis. Materials and method:Fourteen completely edentulous patients received complete dentures for three months. Four implants were inserted in the mandible at the canine and molar-premolar areas bilaterally following two-stage surgical technique. All patients were planned to receive mandibular fixed-detachable prostheses with individual zirconia crowns. The patients were randomly allocated to two groups according to the prosthesis framework material . Group A received a prothesis with PEEK framework while group B received a prothesis with PEKK framework. The implant success rate, modified Plaque Index (mPI), simplified Gingival Index (sGI), modified Sulcus Bleeding Index (mSBI) and Peri-implant bone loss (PIBL) were evaluated at loading, 6-and 12-months follow-up visits. Additionally, the total prosthetic complications were measured after a one-year follow-up period.Results: All implants had a 100% success rate. The PEEK group showed statistically significant higher mPI, sGI and mSBI compared to the PEKK group at the 6 and 12 follow-up visits. Regarding PIBL results, no statistically significant difference was found between the two groups. The prosthetic complications in the PEEK and PEKK groups were four and eight events respectively. The most frequent complication was abutment screw loosening. ConclusionWithin the limitations of this study, the fixed-detachable implant-supported prosthesis with PEEK or PEKK framework can be a clinically successful treatment option for the rehabilitation of edentulous mandible. However, the fixed-detachable prosthesis with the PEKK framework may provide superior soft tissue health outcomes and fewer prosthetic complications compared to those with the PEEK framework.

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Dental Materials in the Digital Age

Thompson¹,

An²

2022

Clinical Applications of Digital Dental Technology

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Survival and success rates of soft-milled cobalt-chromium-ceramic full-arch screw-retained implant-supported prostheses: a 2- to 7-year follow-up retrospective study

Cited by 9 publications

References 36 publications

Outcomes and Complications of 33 Soft-Milled Cobalt-Chromium-Ceramic Full-Arch Screw-Retained Implant-Supported Prostheses: A Retrospective Study with up to 10-Year Follow-up

Outcomes and Complications of 33 Soft-Milled Cobalt-Chromium-Ceramic Full-Arch Screw-Retained Implant-Supported Prostheses: A Retrospective Study with up to 10-Year Follow-up

Clinical, Radiographic, and Prosthetic Outcomes of Poly Ether Ether Ketone (PEEK) Versus Poly Ether Ketone Ketone (PEKK) Frameworks in Mandibular Fixed-Detachable Implant-Supported Prosthesis: A Randomized Clinical Trial

Dental Materials in the Digital Age

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