Palatal Extension of Removable Prostheses Related to Implant Positions

Finley, Jon M.

doi:10.1097/00008505-199804000-00003

Cited by 3 publications

(2 citation statements)

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“…Additional studies in implant overdentures analyzing oblique and a horizontal load in combination with axial loads have found axial loads to range from 100-300 N and also established that the lateral forces could be a quarter (25 N) that of the axial load [43,44]. In this study, a linearly varying load of 187.5 N at the position of the distal implant and 137.5 N at the model center was applied on the three and four-implant models [55]. The applied varying forces were simulated, with bucco-lingual loading angles ranging from 0 to 45 degrees.…”

Section: Discussionmentioning

confidence: 89%

Finite Element Analysis (FEA) of Palatal Coverage on Implant Retained Maxillary Overdentures

et al. 2020

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Purpose: The aim of this study was to determine stress levels on supporting structures of implant-retained overdentures as a function of varying degrees of palatal coverage using finite element analysis modeling at different loading angles. Materials and Methods: ABAQUS®-software was used to perform finite element analysis on eight overdenture models with three and four implants and with and without palatal coverage designs. Loads were applied perpendicular and 45º to the implants. Von Mises stress was measured to determine bone stress. A one-way ANOVA determined which model caused the most stress to the maxillary bone. Results: Palatal coverage increased stress to anterior implant in three implant (p = 0.08) models but decreased stress to all implants in four implant models (p = 0.43). Distal implants received more stress than anterior implants for all models. There was no significant difference between a full palate and no palate coverage overdenture prosthesis when a bar was added under axial loading (p = 0.954). Under non-axial loading, a decrease in stress was noted with the bar in all areas except the anterior implant site. Conclusions: Palatal coverage may not be necessary when applying a pure axial load. The addition of a bar decreased stress at loading.

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Section: Discussionmentioning

confidence: 89%

Finite Element Analysis (FEA) of Palatal Coverage on Implant Retained Maxillary Overdentures

et al. 2020

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“…The antero-posterior spread of the implants did not permit an open palate denture. [17] A complete palate overdenture was fabricated for the patient. Metal framework was incorporated in the denture to permit the reduction of thickness of the denture in the palate, to improve fit and aid in thermal stimulation[18] [Figure 3].…”

Section: Case Reportmentioning

confidence: 99%

Fabrication of new restorations with a consideration of oral hygiene

Ahuja

Wicks

Selecman

2016

J Indian Prosthodont Soc

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A systematic review of implant‐supported maxillary overdentures after a mean observation period of at least 1 year

Slot

Raghoebar

Vissink

et al. 2009

J Clinic Periodontology

128

119

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In all three treatment options, the SR of the implants is more than 95%. The studies included reveal that a maxillary overdenture supported by six dental implants, which are connected with a bar, is the most successful treatment regarding survival of both the implants and overdenture. Second in line is the treatment option with four implants and a bar. The treatment option with four or less implants and a ball attachment system is the least successful.

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Palatal Extension of Removable Prostheses Related to Implant Positions

Cited by 3 publications

References 0 publications

Finite Element Analysis (FEA) of Palatal Coverage on Implant Retained Maxillary Overdentures

Finite Element Analysis (FEA) of Palatal Coverage on Implant Retained Maxillary Overdentures

Fabrication of new restorations with a consideration of oral hygiene

A systematic review of implant‐supported maxillary overdentures after a mean observation period of at least 1 year

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