Angled Screwdriver Solutions and Low-Profile Attachments in Full Arch Rehabilitation with Divergent Implants

Scrascia, Roberto; Cicciù, Marco; Manco, Carlo; Miccoli, Adele; Cervino, Gabriele

doi:10.3390/app11031122

Cited by 4 publications

(2 citation statements)

References 23 publications

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“…In completely edentulous patients that need full arch rehabilitation, the presence of some anatomical and surgical limitations can affect the implant placement positions and the number of implants, which necessitates the search for prosthetic solutions with perfect function and aesthetics and load distribution of implants [ 27 ]. The bar retained over denture offers a standard of care prosthetic solution by placing two implants in the canine area.…”

Section: Discussionmentioning

confidence: 99%

Retention of bar clip attachment for mandibular implant overdenture

Nassar

Abdelaziz

2022

BMC Oral Health

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Objectives The aim of the present study was to evaluate the retention and loss of retention after fatigue testing at different time intervals between two types of bar clip materials (digitally designed PEEK bar clip and regular Nylon bar clip). Materials and methods An epoxy model was constructed for a completely edentulous mandible. Two implants were placed according to prosthetically driven implant placement by a computer-guided surgical stent. Bar clips were digitally designed, 3D printed, and pressed into Poly Ether Ether Ketone (PEEK). Pick up of PEEK and nylon clips was performed on the dentures fitting surface using self-cured acrylic resin. Each study group was subjected to an insertion and removal fatigue test simulating 3 years of patient usage. Retention values were recorded using the universal testing machine at initial retention and after 1, 2, and 3 years of simulated usage. For proper sample sizing, 24 models and dentures (12 for each group) were used. An independent sample t-test and repeated measures analysis of variance were used to compare the data. Results There were statistically significant differences in retention between the PEEK and nylon bar clips at the beginning of the experiment (p = 0.000*). But after 3 years of simulated use, there was no significant difference in retention between the test groups (p = 0.055, NS). After 3 years of simulated use, the retention of PEEK clips decreased by − 58.66% recording 17.37 ± 1.07 N, while the retention of nylon clip increased by + 2.99% recording 16.56 ± 0.88 N. Conclusion The digitally designed PEEK clip showed comparable retention results to the nylon clip after 3 years of simulated use. Clinical relevance Maintenance of bar attachment with PEEK clip offers a clinical solution after the wear of normal plastic clips, which is a cheap solution that is easily fabricated and picked up into the denture. Digital fabricated PEEK bar retentive inserts can be used in cases of bar attachment wear.

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Section: Discussionmentioning

confidence: 99%

Retention of bar clip attachment for mandibular implant overdenture

Nassar

Abdelaziz

2022

BMC Oral Health

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“…The so called "Exit Strategy" allows to move from a removable to fixed denture, limiting the biologic and economic impact for the patients. In this way, the OT Equator attachments can work both as an attachment system and as an intermediate abutment for fixed restorations [10][11][12][13].…”

Section: Discussionmentioning

confidence: 99%

OT-Equator® Attachments Comparison for Retaining an Early Loaded Implant Overdenture on Two or Three Implants: 1 Year RCT Preliminary Data

et al. 2021

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The purpose of this multicenter randomized controlled trial was to compare the clinical, radiographic, and patient-centered outcomes of early loaded mandibular overdentures deliberately placed on two or three implants. The outcomes were: implant and prosthesis success and survival rates; biological and technical complications; marginal bone loss; patient satisfaction; and periodontal parameters. The results showed no differences between the groups in any of the outcomes analyzed. With the limitations of the present study, and looking at long-term follow-up, the gold standard of prosthetic rehabilitations with attachments, in agreement with the scientific community, should prefer two non-splinted implants.

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State-of-the-Art in Orthodontics and Gnathology

Minervini

2022

Applied Sciences

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Angled Screwdriver Solutions and Low-Profile Attachments in Full Arch Rehabilitation with Divergent Implants

Cited by 4 publications

References 23 publications

Retention of bar clip attachment for mandibular implant overdenture

Retention of bar clip attachment for mandibular implant overdenture

OT-Equator® Attachments Comparison for Retaining an Early Loaded Implant Overdenture on Two or Three Implants: 1 Year RCT Preliminary Data

State-of-the-Art in Orthodontics and Gnathology

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