Effect of Dislodging Forces on Mandibular Implant Attachment-Retained Overdenture

Elkerdawy, Maha Wagdy; Radi, Iman Abd-Elwahab

doi:10.1097/id.0b013e318211fe1b

Cited by 21 publications

(24 citation statements)

References 12 publications

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“…The increased VBL around posterior implants compared to anterior implants in GII is in agreement with findings of in vitro studies (Elkerdawy & Radi ; ELsyad et al. ) and may be due to most of the masticatory forces are concentrated in the posterior area.…”

Section: Discussionsupporting

confidence: 90%

Effect of two designs of implant‐supported overdentures on peri‐implant and posterior mandibular bone resorptions: a 5‐year prospective radiographic study

ELsyad

Alokda

Gebreel

et al. 2016

Clinical Oral Implants Res

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Within the limitations of this study, regarding the small sample size, it could be concluded that overdentures retained by straight bars on two canine implants and supported by two-first molar implants present a clinical advantage in terms of peri-implant and posterior mandibular bone preservation compared to overdentures supported and retained by cantilevered bars on two canine implants after 5 years.

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Section: Discussionsupporting

confidence: 90%

Effect of two designs of implant‐supported overdentures on peri‐implant and posterior mandibular bone resorptions: a 5‐year prospective radiographic study

ELsyad

Alokda

Gebreel

et al. 2016

Clinical Oral Implants Res

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“…Furthermore, the wide use of in vitro studies including the FE method is due to the fact that in vivo studies cannot be repeated under the same conditions, because of the wide variance of histological structures from one patient to the other. 33 The results of this study may provide a broader understanding about potential stress concentration locations. Long-term clinical research is required to determine the influence of observed stress levels on tissue and prosthesis function.…”

Section: Discussionmentioning

confidence: 83%

“…Unlike other in vitro evaluation techniques, the FE method can quantify the physiological strain thresholds of human jawbones. Furthermore, the wide use of in vitro studies including the FE method is due to the fact that in vivo studies cannot be repeated under the same conditions, because of the wide variance of histological structures from one patient to the other 33 . The results of this study may provide a broader understanding about potential stress concentration locations.…”

Section: Discussionmentioning

confidence: 98%

A Three‐Dimensional Finite Element Analysis for Overdenture Attachments Supported by Teeth and/or Mini Dental Implants

Fatalla

Song

et al. 2012

Journal of Prosthodontics

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“…A number of studies reported that the retentive forces of magnetic attachments were less than other attachments 14,15 . However, this reduced retention was found to generate the least stresses in peri-implant bone during overdenture dislodgement 16 . They also exhibited fewer strains under occlusal loading when compared to ball and bar attachments 15,17 .…”

Section: Magnet Versus Ols Attachments For Implant Overdentures: a Stmentioning

confidence: 95%

Magnet Versus Ols Attachments for Implant Overdentures: A Stress Analysis Study

Nassouhy

2017

Egyptian Dental Journal

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Objectives: to compare between the microstrains transmitted to the implants with magnetic and OLS attachments in 2-implant overdentures. Methodology: two dummy implants 3.7 mm in diameter and 12mm in length were placed in an acrylic resin model resembling a completely edentulous mandible. Attachment pick up was done for the magnetic attachment followed by loading and measurement. Four Strain gauges were used to measure microstrains around the implants during unilateral and bilateral loading using a universal testing machine and a multi-channel strain meter. The procedure was repeated for the OLS attachment. Measurements were tabulated and statistically analyzed. Results: loading sides demonstrated significantly higher microstrains around the implants with the two attachments than non-loading sides. OLS attachment showed significantly higher microstrains than magnetic attachment for both loading and non-loading sides during unilateral loading. During bilateral loading, there was no significant difference between the two attachments. Conclusion: implant overdentures retained by magnetic attachments transmit less stresses to the implants than OLS attachments with PEEK retentive matrices during unilateral loading. During bilateral loading, the stresses transmitted by the two attachments were comparable.

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Effect of Dislodging Forces on Mandibular Implant Attachment-Retained Overdenture

Abstract: : This study has demonstrated that implant overdenture attachment design and dislodging forces may significantly influence stress/strain magnitude around implants; the higher the retention (resistance to dislodging forces) of the attachments the more the transferred stresses.

Cited by 21 publications

References 12 publications

Effect of two designs of implant‐supported overdentures on peri‐implant and posterior mandibular bone resorptions: a 5‐year prospective radiographic study

Effect of two designs of implant‐supported overdentures on peri‐implant and posterior mandibular bone resorptions: a 5‐year prospective radiographic study

A Three‐Dimensional Finite Element Analysis for Overdenture Attachments Supported by Teeth and/or Mini Dental Implants

Magnet Versus Ols Attachments for Implant Overdentures: A Stress Analysis Study

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