Mechanosensation and maximum bite force in edentulous patients rehabilitated with bimaxillary implant‐supported fixed dental prostheses

Luraschi, Julien; Schimmel, Martín; Bernard, Jean‐Pierre; Gallucci, German O.; Belser, Urs C.; Müller, Frauke

doi:10.1111/j.1600-0501.2011.02283.x

Cited by 31 publications

(37 citation statements)

References 25 publications

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“…Thus, apart from denture bending moments the impact of individual occlusal forces and the closing pressure should be discussed as causative factors for veneering problems and acrylic tooth fractures. Considering the type of opposite jaw dentition, retentions of the synthetic veneerings should be fabricated individually or possibly reinforced for avoiding potential fractures …”

Section: Discussionmentioning

confidence: 99%

Mandibular Full‐Arch Fixed Prostheses Supported on 4 Implants with Either Axial Or Tilted Distal Implants: A 3‐Year Prospective Study

Krennmair

Weinländer

Malek³

et al. 2016

Clin Implant Dent Rel Res

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Section: Discussionmentioning

confidence: 99%

Mandibular Full‐Arch Fixed Prostheses Supported on 4 Implants with Either Axial Or Tilted Distal Implants: A 3‐Year Prospective Study

Krennmair

Weinländer

Malek³

et al. 2016

Clin Implant Dent Rel Res

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“…Figure A shows the load to failure values obtained on the prototypes as a function of the surface treatments conducted. They are compared to publically available data for other ceramic (3Y‐TZP‐based) implants . Values are similar irrespective of the surface treatments, ranging from 336 N in average after machining down to 286 N following sandblasting, etched and then annealed prototypes in which residual machining/sandblasting stresses were relieved.…”

Section: Potential Applications Of Ductile Ceramics: Case Study On Immentioning

confidence: 97%

Forty years after the promise of «ceramic steel?»: Zirconia‐based composites with a metal‐like mechanical behavior

et al. 2019

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Forty years ago, Garvie and his Australian co‐workers reported that the stress‐induced transformation of metastable tetragonal zirconia grains to the monoclinic symmetry could give rise to a powerful toughening mechanism. Their results even led them to consider zirconia systems as analogues of certain steels. This seminal paper generated extraordinary excitement in the ceramic community and it is still the subject of extensive research. Transformation toughening is widely used in zirconia materials and results in an increase in strength and toughness when compared to nontransformable ceramics, but the implementation into strong, tough, and sufficiently stable materials has not been fully reached. Zirconia ceramics generally fail at low strains with a much larger scatter in the strength values than metals and require statistical approaches to failure. Here we describe in detail the mechanical behavior laws of ceria‐doped zirconia composites exhibiting a high degree of stress‐induced transformation. They present, to some extent, mechanical behavior analogous to a metal, displaying, (a) significant amount of transformation‐induced plasticity without damage, (b) very high flaw tolerance and (c) almost no dispersion in strength data. They potentially open new application avenues in situations where the advantages of ceramics were dampened by their brittle failure behavior. In particular, the consequences of such behavior for dental implants and additive‐manufactured structures are highlighted.

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“…Such control is needed for refinement and control of the biting force for various types of food [7, 30–32]. While patients with implant-supported bridges are able to bite food with varying levels of hardness, it could be questioned whether they are able to differentiate between the hardness variations and thus apply an adapted chewing pattern [33]. Although some studies have demonstrated the tactile function of patients with oral implants [18, 19], the perception of food hardness is yet another sensory function that should be evaluated in order to obtain more information on modulation and masticatory adaptation.…”

Section: Introductionmentioning

confidence: 99%

Short-term follow-up of masticatory adaptation after rehabilitation with an immediately loaded implant-supported prosthesis: a pilot assessment

et al. 2017

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BackgroundWhen teeth are extracted, sensory function is decreased by a loss of periodontal ligament receptions. When replacing teeth by oral implants, one hopes to restore the sensory feedback pathway as such to allow for physiological implant integration and optimized oral function with implant-supported prostheses. What remains to be investigated is how to adapt to different oral rehabilitations.The purpose of this pilot study was to assess four aspects of masticatory adaptation after rehabilitation with an immediately loaded implant-supported prosthesis and to observe how each aspect will recover respectively.MethodsEight participants with complete dentures were enrolled. They received an implant-supported acrylic resin provisional bridge, 1 day after implant surgery. Masticatory adaptation was examined by assessing occlusal contact, approximate maximum bite force, masticatory efficiency of gum-like specimens, and food hardness perception.ResultsOcclusal contact and approximate maximum bite force were significantly increased 3 months after implant rehabilitation, with the bite force gradually building up to a 72% increase compared to baseline. Masticatory efficiency increased by 46% immediately after surgery, stabilizing at around 40% 3 months after implant rehabilitation. Hardness perception also improved, with a reduction of the error rate by 16% over time.ConclusionsThis assessment demonstrated masticatory adaptation immediately after implant rehabilitation with improvements noted up to 3 months after surgery and rehabilitation. It was also observed that, despite gradually improved bite force in all patients, masticatory efficiency and food hardness perception did not necessarily follow this tendency. The findings in this pilot may also be used to assess adaptation of oral function after implant rehabilitation by studying the combined outcome of four tests (occlusal contact, maximum bite force, masticatory efficiency, and food hardness perception).

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Mechanosensation and maximum bite force in edentulous patients rehabilitated with bimaxillary implant‐supported fixed dental prostheses

Abstract: Objective: The aim of this study was to compare tactile sensitivity and maximum voluntary bite

Cited by 31 publications

References 25 publications

Mandibular Full‐Arch Fixed Prostheses Supported on 4 Implants with Either Axial Or Tilted Distal Implants: A 3‐Year Prospective Study

Mandibular Full‐Arch Fixed Prostheses Supported on 4 Implants with Either Axial Or Tilted Distal Implants: A 3‐Year Prospective Study

Forty years after the promise of «ceramic steel?»: Zirconia‐based composites with a metal‐like mechanical behavior

Short-term follow-up of masticatory adaptation after rehabilitation with an immediately loaded implant-supported prosthesis: a pilot assessment

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