Resin-bonded bridges – the problem or the solution? part 1: assessment and design

Gulati, Jasneet Singh; Tabiat-Pour, Sara; Watkins, Sophie; Banerjee, Avijit

doi:10.12968/denu.2016.43.6.506

Cited by 19 publications

(12 citation statements)

References 28 publications

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“…This result suggests that the pontic should not be involved in guidance. It has been reported that the pontic should be in light contact in the intercuspal position but not involved in guidance [19]. Therefore, this experimental condition proves the validity of the FEA model.…”

Section: Discussionsupporting

confidence: 70%

Designing anterior cantilever resin-bonded fixed dental prostheses based on finite element analysis

et al. 2022

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A resin-bonded bridge (RBB) is a minimally invasive prosthetic treatment option for intact adjacent teeth. However, it is contentious as to whether the mesial or distal adjacent tooth should be used as an abutment. This study aimed to investigate the potential of finite element analysis (FEA) for the selection of abutment teeth and the determination of the optimal design for anterior cantilever RBBs. Methods: Three types of RBBs were designed to simulate loss of the maxillary left lateral incisor. The fixed-fixed RBB (FF-RBB) had one retainer each for the left central incisor and canine. Distal-and mesial-cantilever RBBs (D-CRBB and M-CRBB) had a single retainer on the central incisor and canine, respectively. Three-dimensional models for FEA were generated from computed tomography slices and dental casts. FEA was performed for each RBB to evaluate stresses in the intercuspal, protrusive, and lateral mandibular positions. Results:The maximum principal stresses on the bridges in the intercuspal position were 141.9 MPa, 93.6 MPa, and 45.7 MPa, for the FF-RBB, D-CRBB, and M-CRBB, respectively. The stress in the D-CRBB position was greater than in the M-CRBB position in the intercuspal, protrusive, and lateral mandibular positions. Conclusions: Based on the results, M-CRBB on the canine had a higher clinical performance than D-CRBB on the central incisor. FEA was useful for determining the optimal design of RBB for each patient.

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Section: Discussionsupporting

confidence: 70%

Designing anterior cantilever resin-bonded fixed dental prostheses based on finite element analysis

et al. 2022

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“…It was revealed that predictable bridgeworks can be expected in well-motivated patients, with plaque control compatible with good periodontal health [45]. Furthermore, a sufficient enamel structure as well as absence of carious lesions and pre-existing restorations in the abutment teeth are fundamental for optimal results [46].…”

Section: Criteria For Successmentioning

confidence: 99%

“…Some studies suggest no benefit of an extensive abutment preparation on the overall success of ZrRBBs and this may lead to increased biological complications. It was stated that a significant preparation is associated with an increased risk of failure [46]. A prospective study demonstrated that bridges made with minimal preparation are shown to be superior in terms of longevity than those for which other types of tooth preparation is made [47].…”

Section: Criteria For Successmentioning

confidence: 99%

Zirconia Resin Bonded Bridges: An Innovative Approach for Minimally Invasive Dental Prostheses

Zarbah¹

2022

Ceramics - Silikaty

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Resin-bonded bridges (RBBs) are considered one of the most minimally invasive treatment modalities for the replacement of missing teeth. In an era of metal-free natural-coloured dental restorations, zirconia resin-bonded bridges (ZrRBBs) are an innovative approach for patients requiring a high aesthetic demand where other options are challenging. In addition to the aesthetic appearance, various investigations demonstrated several benefits of using ZrRBBs over other types of framework materials such as low incidence of framework fracture and ceramic chippings. However, debonding could be an issue if the case is not well-planned. Even though long-term randomised clinical trials are rare, the current evidence has shown shortto medium-term high survival rate for cantilevered ZrRBBs that have been cemented using Panavia resin cement. Careful case selection, detailed examinations, and appropriate treatment planning ensure reliable restorations and predictable consequences. The literature also has reported some factors that increase survival rate of ZrRBBs such as retentive tooth preparation confined to the enamel, mechanical treatment of the retainer fitting surface with an air-abrasion of 50 μm alumina particles with a pressure of 0.25 MPa or less, and chemical treatment of the retainer fitting surface with adhesion promoting agents containing an MDP monomer or phosphorylated methacrylates containing a primer in addition to silane.

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“…When a cantilever design is used, the guidance should be shared with the natural teeth if the guidance on the pontic cannot be avoided. 16…”

Section: Occlusion and Rbbsmentioning

confidence: 99%

Cantilever Resin-bonded Bridge Design: A Review

Ravichandran¹

2020

Journal of Scientific Dentistry

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Resin-bonded bridges (RBBs) were first described in the 1970s. The present forms of RBBs have evolved from many significant developments. Splinting of periodontally compromised teeth was the initial objective of these prostheses. Their use eventually expanded to replace missing anterior teeth. Cantilever resin-bonded fixed partial denture (RBFPD) is a conservative alternative approach to fixed-fixed partial dentures in replacing missing tooth and should be included as a treatment option wherever possible. For fixed replacement of missing teeth, RBBs can be considered to give a reversible, minimally invasive, esthetic, and predictable restorative outcome in spite of many problems such as debonds. Two-unit cantilevered RBFPDs had a better clinical retention than fixed-fixed RBFPDs because a cantilever RBB eliminates adverse interabutment stresses associated with fixed-fixed designs. The longevity of RBBs is influenced by numerous factors. To achieve successful long-term survival, careful case selection and consideration of various variables like materials used and occlusal protection are crucial.

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Resin-bonded bridges – the problem or the solution? part 1: assessment and design

Cited by 19 publications

References 28 publications

Designing anterior cantilever resin-bonded fixed dental prostheses based on finite element analysis

Designing anterior cantilever resin-bonded fixed dental prostheses based on finite element analysis

Zirconia Resin Bonded Bridges: An Innovative Approach for Minimally Invasive Dental Prostheses

Cantilever Resin-bonded Bridge Design: A Review

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