Occlusal Pressure Redistribution with Single Implant Restorations

Roque, Miguel A.; Gallucci, German O.; Lee, Sang J.

doi:10.1111/jopr.12552

Cited by 19 publications

(23 citation statements)

References 12 publications

(18 reference statements)

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“…This finding is consistent with the result of Roque et al, 26 who demonstrated that placement of single posterior implant-supported restorations opposed by natural dentition decreased the percentage of total occlusal pressure in the contralateral arch. This indicates the unity of the whole dental arch to distribute each force, as well as the influence of each tooth on the intensity of the applied force on the other teeth in the same jaw.…”

Section: Discussionsupporting

confidence: 92%

Post-insertion Posterior Single-implant Occlusion Changes at Different Intervals: A T-Scan Computerized Occlusal Analysis

Madani¹,

Nakhaei²,

Alami³

et al. 2017

The Journal of Contemporary Dental Practice

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Aim:The aim of this prospective cohort study was to evaluate the postinsertion posterior single-implant occlusion changes at 3-and 6-month intervals using T-Scan computerized occlusal analysis. Materials and methods:A total of 21 patients received single implant, opposed by natural dentition, in posterior regions of the maxilla or mandible (13 premolar, 8 molar) and were finally restored with cemented-retained metal-ceramic crowns. The occlusal contacts were equilibrated according to the implantprotective occlusion concept to develop light contact with heavy occlusion and no contact with light occlusion in maximum intercuspation. The percentage of force applied to the implant crowns (POFI) and contralateral teeth (POFT) was evaluated using T-Scan computerized occlusal analysis at prosthesis insertion, 3-and 6-month follow-up appointments. The data were statistically analyzed using Friedman test and Wilcoxon post hoc test (α = 0.05). Results:The POFI values at the 6-and 3-month follow-up appointments were significantly higher than those at prostheses insertion (p = 0.001 and p = 0.005 respectively). In addition, there were significant differences between the POFI at 3-and 6-month follow-up (p = 0.020). However, the POFT values at 3-and 6-month follow-up appointments were significantly lower than those at baseline (p < 0.001). Conclusion:The intensity of occlusal contacts of implantsupported prostheses opposed by natural dentition gradually Clinical significance: A periodic occlusal adjustment of implant-supported prostheses is necessary to prevent potential overloading from the movement of opposing natural dentition. Post-insertion Posterior Single-implant Occlusion Changes at Different Intervals: A T-Scan

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Section: Discussionsupporting

confidence: 92%

Post-insertion Posterior Single-implant Occlusion Changes at Different Intervals: A T-Scan Computerized Occlusal Analysis

Madani¹,

Nakhaei²,

Alami³

et al. 2017

The Journal of Contemporary Dental Practice

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“…The comparison of stresses formed at the anterior and posterior regions of bones and implants showed generally higher stresses in the posterior regions in all models. Perhaps the main reason for this finding is the location of posterior implants in the center of the chewing area . This should be considered when designing implant‐supported fixed prostheses similar to the All‐on‐Four concept.…”

Section: Discussionmentioning

confidence: 99%

“…Forces were defined on contacts formed in maximum intercuspation, lateral, and protrusive movement postion in the canine‐guided occlusion, group function occlusion, BBO, lingualized occlusion, and monoplane occlusion (Fig ). While defining the forces, the mean values for maximal occlusal loads during chewing were used for fully implant‐supported prostheses The occlusal loads were the same in all occlusion types in the case of maximum intercuspation (450 N); however, it has been shown that these occlusal loads change on lateral and protrusive movements between the occlusion types . The applied occlusal loads were 93 N for canine‐guided occlusion and 200 N for group function occlusion on lateral movement, 94 N for canine‐guided and group‐function occlusion on protrusive movement.…”

Section: Methodsmentioning

confidence: 99%

“…The applied occlusal loads were 93 N for canine‐guided occlusion and 200 N for group function occlusion on lateral movement, 94 N for canine‐guided and group‐function occlusion on protrusive movement. Apart from these, a load of 400 N was applied for all other eccentric movements in bilateral balanced, lingualized, and monoplane occlusion . The forces were applied perpendicular to the occlusal surface.…”

Section: Methodsmentioning

confidence: 99%

“…While defining the forces, the mean values for maximal occlusal loads during chewing were used for fully implant-supported prostheses [26][27][28][29] The occlusal loads were the same in all occlusion types in the case of maximum intercuspation (450 N); however, it has been shown that these occlusal loads change on lateral and protrusive movements between the occlusion types. 22,[30][31][32][33] The applied occlusal loads were 93 N for canineguided occlusion and 200 N for group function occlusion on lateral movement, 94 N for canine-guided and group-function occlusion on protrusive movement. Apart from these, a load of 400 N was applied for all other eccentric movements in bilateral balanced, lingualized, and monoplane occlusion.…”

Section: Methodsmentioning

confidence: 99%

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Finite Element Stress Analysis of Applied Forces to Implants and Supporting Tissues Using the “All‐on‐Four” Concept with Different Occlusal Schemes

Türker¹,

Büyükkaplan²,

Sadowsky

et al. 2018

Journal of Prosthodontics

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Purpose The aim of this study was to evaluate stress distributions on implants and alveolar bone due to occlusal load produced during chewing by prostheses prepared according to the All‐on‐Four concept with different occlusal schemes using a finite element analysis method. Materials and Methods On standard jaw models, teeth were set in accordance with the basic standards of canine‐guided occlusion, group function occlusion, bilateral balanced occlusion (BBO), lingualized occlusion, and monoplane occlusion schemes. Three‐dimensional (3D) images of these models were obtained using a surface scanner. Implants, superstructures, the maxilla, and mandible were modeled in the All‐on‐Four concept with 3D modeling software. Forces were defined on contacts formed in maximum intercuspation, lateral, and protrusive movement position for all 5 occlusion types. Stress outputs were recorded as maximum and minimum principal stresses (Pmax, Pmin) and von Mises stress values for the implants. Results The highest Pmax value for the maxilla was observed in cortical bone in the group function occlusion during lateral movement (15.56 MPa). For the mandible, the highest Pmax value was observed on the cortical bone in maximum intercuspation of lingualized occlusion (72.75 MPa). The highest Pmin value for the maxilla was observed during the lateral movement in group function and for the mandible in BBO (–29.23 and –86.31 MPa, respectively). The lowest stress values were observed with canine‐guided occlusion in all related conditions and on all structures. Conclusions With the limitations of this simulation study, considering stresses on alveolar bone and implants in All‐on‐Four applications, the use of canine‐guided occlusion may be suggested.

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Occlusal changes on implant-supported single crowns with one year follow-up after loading: A systematic review and meta-analysis

Mao,

Bleiel,

Beuer

et al. 2024

Journal of Dentistry

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Occlusal Pressure Redistribution with Single Implant Restorations

Cited by 19 publications

References 12 publications

Post-insertion Posterior Single-implant Occlusion Changes at Different Intervals: A T-Scan Computerized Occlusal Analysis

Post-insertion Posterior Single-implant Occlusion Changes at Different Intervals: A T-Scan Computerized Occlusal Analysis

Finite Element Stress Analysis of Applied Forces to Implants and Supporting Tissues Using the “All‐on‐Four” Concept with Different Occlusal Schemes

Occlusal changes on implant-supported single crowns with one year follow-up after loading: A systematic review and meta-analysis

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