Trefoil System for the Treatment of Mandibular Edentulism: A Case Report with 30 Months Follow-Up

Borgonovo, Andrea Enrico; Galbiati, Simone L M; Re, Dino

doi:10.1155/2020/8845649

Cited by 4 publications

(5 citation statements)

References 13 publications

(16 reference statements)

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“…On the other hand, the surgical protocol is not as simple as it sounds and the clinician must be well trained to manage any intraoperative complications. 14 Considering the results presented in the study, the lowest stresses in cortical and trabecular bone were observed in the trefoil model. The low stress generation in both canine and molar regions indicates that this system will bring successful results when used with the right indication and appropriate surgical technique.…”

Section: Discussionmentioning

confidence: 75%

“…18 For this reason, the Treofil system was defined with the promise of fewer implants and faster treatment. 14 This method, which is also interesting in terms of patient compliance, was included in our study to investigate the reliability of treatment.…”

Section: Discussionmentioning

confidence: 99%

“…This technique increases patient satisfaction by allowing rapid restoration. 14 The main aim of this study is to reveal the most advantageous rehabilitation option among the recent trends of an edentulous mandible with severe posterior atrophy to support a fixed full-arch prosthesis using three-dimensional (3D) finite element stress analysis. This study is also a biomechanical comparison of the number of implants and the effects of inclined placement of some or all of the implants.…”

Section: Introductionmentioning

confidence: 99%

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Comparison of Implant Systems Applied in the Mental Region in the Prosthetic Treatment of Atrophic Mandible: A 3D Finite Element Analysis

Tükel

GEÇKİL>²

2023

European Annals of Dental Sciences

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Purpose This study aims to compare five implant-supported rehabilitation concepts of an edentulous mandible and determines the most biomechanically advantageous technique. Materials and methods Five models with implants in different configurations were created: All-on-4 concept (two anterior axial and two posterior distally curved implants), All-on-4v4 concept (four distal curved interforaminal implants), All-on-4W (two anterior mesial curved interforaminal implants and two posterior distally curved implants), the All-on-3 concept (one anterior axial and two posterior distally curved implants), and the treofil system (three interforaminal implants with titanium bar guide support). For this study, bone-level (4.3 × 13 mm) implants of Nobel Biocare and implants of the treofil system (5 × 13 mm) were used. Spherical loads were applied from the canine and molar regions to evaluate the tension, compression and von Mises stresses by applying 3D finite element analysis. Results Among the alternative concepts, treofil system were the most successful treatment option in biomechanical terms. On the other hand, All-on-3 concept was found to be the last method of choice. This was because of the high stresses on cortical and trabecular bones in most conditions. Conclusion The result of this study shows that the treophylline system is the most successful treatment option despite its technical details. Alternatively, classical All-on-4 and All-on-4v4 techniques are biomechanically successful treatment options.

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Section: Discussionmentioning

confidence: 75%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Comparison of Implant Systems Applied in the Mental Region in the Prosthetic Treatment of Atrophic Mandible: A 3D Finite Element Analysis

Tükel

GEÇKİL>²

2023

European Annals of Dental Sciences

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“…This area has been used in severe bone atrophy, in oncological resections or after regenerative procedures in blocks. Currently there are various bone anchoring options such as the use of zygomatic mandibular implants, trefoil technique (Trefoil™) and bicortical implants (Strategic Implant®) that have offered adequate and salvage results in full arch rehabilitation treatment [27][28][29].…”

Section: Therapeutic Options: Bone Grafting Versus Buttress Implant Conceptmentioning

confidence: 99%

A Review of Current Concepts in Full Arch Rehabilitation with Dental Implants

Díez-Suárez¹

2022

Dentistry

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Various causes can be responsible for tooth loss. In general, caries, periodontal disease, facial trauma, pathology of the jaws, among other causes, could lead to the loss of a tooth or a group of teeth. As a consequence, the stimuli that participate in bone maintenance are compromised and bone reduction occurs gradually, making it difficult to use conventional prostheses. Fortunately, technological advances applied to dental implantology have allowed us to perform full-arch prosthetic treatments, managing to rehabilitate the form, function, esthetics and lost self-esteem in patients with severe atrophy of the jaws. The objective of this chapter is to describe the key and current aspects in full-arch rehabilitation with dental implants.

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“…This system consists of three straight implants, a prefabricated compensation bar and various components such as a round abutment , two framework discs , a screw disc and a clinical screw. [ 6 11 ] The prefabricated bar has adaptive joints which aid in the compensation of vertical, horizontal, and angular misfit.…”

Section: Introductionmentioning

confidence: 99%

A comparative evaluation of stress distribution between an All-on-Four implant-supported prosthesis and the Trefoil implant-supported prosthesis: A three-dimensional finite element analysis study

Ganesan

Murugaian

Shankar

et al. 2022

J Indian Prosthodont Soc

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Aim: The primary aim of this study is to analyse the stress distribution between an ALL ON FOUR implant supported prosthesis and the TREFOIL implant supported prosthesis with 3D finite element models. Settings and Design: An in vitro perspective Materials and Methods: Two mandibular three-dimensional Finite Element Models were constructed by the CREO version 5 software, in which Model A depicts a mandible with ALL ON FOUR implant supported prost hesis and Model B will depict TREFOIL implant supported prosthesis. Model A contains four implants, two anterior straight and posterior tilted implants (30°), a bar and denture containing acrylic teeth. In Model B, it contains three straight implants and a prefabricated compensatory bar with standardised dimensions. To evaluate and compare the stress distribution between the bone and implant interface, one deleterious cantilever load of upto 300 N is applied on the second molar bilaterally and simultaneously. Another full bite biting load of 150 N is given bilaterally and simultaneously on the central groove of premolars and molars. Statistical Analysis Used: The results of the simulations obtained were analysed in terms of Von Mises equivalent stress levels at the bone -implant interface. Results: The results of loading 1 showed that the maximum Von Mises stress was recorded in the anterior implant region of the Trefoil system (Model B) when compared to All on four concept. The results of loading 2 showed that the maximum Von Mises stress were recorded in the anterior implant region Trefoil system (Model B) when compared to All on four concept. Conclusion: This invitro study concludes that All on Four implant supported prosthesis showed better stress distribution when compared to the Trefoil concept.

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Trefoil System for the Treatment of Mandibular Edentulism: A Case Report with 30 Months Follow-Up

Cited by 4 publications

References 13 publications

Comparison of Implant Systems Applied in the Mental Region in the Prosthetic Treatment of Atrophic Mandible: A 3D Finite Element Analysis

Comparison of Implant Systems Applied in the Mental Region in the Prosthetic Treatment of Atrophic Mandible: A 3D Finite Element Analysis

A Review of Current Concepts in Full Arch Rehabilitation with Dental Implants

A comparative evaluation of stress distribution between an All-on-Four implant-supported prosthesis and the Trefoil implant-supported prosthesis: A three-dimensional finite element analysis study

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