Comparison of the strain developed around implants with angled abutments with two reinforced polymeric CAD-CAM superstructure materials: An in vitro comparative study

Omaish, Hadeer Hassan M.; Abdelhamid, Ahmed; Neena, Akram F.

doi:10.1016/j.prosdent.2022.01.014

Cited by 7 publications

(8 citation statements)

References 37 publications

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“…Regarding the retention and wear characteristics of this material, the results are excellent, guaranteeing long-term good results both in terms of resistance and wear [38,39].…”

Section: Discussionmentioning

confidence: 76%

“…It has no abrasive effect on the remaining teeth, has white color suitable for fully anatomical use, and insures no ion exchange in the mouth, no discoloration, excellent stability, and optimal polishable properties [45]. However, lithium disilicate remains the gold standard of this type of rehabilitation [38]. Therefore, also for this application, BioHPP ® has proven to have excellent characteristics and clinical reliability.…”

Section: Discussionmentioning

confidence: 99%

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Applications and Clinical Behavior of BioHPP in Prosthetic Dentistry: A Short Review

et al. 2022

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(1) Background: BioHPP® (Bredent, UK) is a partially crystalline poly ether ether ketone (PEEK) that is strengthened using ceramic. PEEK and its various formulations represent a very interesting alternative, and has been in-depth with its literature in recent years; (2) Methods: A PubMed and Scopus search for the term “BioHPP” yielded 73 results and 42 articles which were included in this short review. Considering the scarce literature on the subject, each article was considered in this review; (3) Results: the articles analyzed are very recent, all published in the last 5 years. Their clinical evaluation of BioHPP® highlights many positive aspects, and few articles have highlighted critical issues in its multiple clinical applications; (4) Conclusions: this material is not only extremely interesting for the future, but possesses characteristics suitable for clinical application today, for endocrowns, small adhesive bridges, temporary prostheses and for immediate loads on implant restorations. The excellent aesthetics and the possibility of simple reprocessing of the restorations made with this material invite its clinical application.

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“…Regarding the retention and wear characteristics of this material, the results are excellent, guaranteeing long-term good results both in terms of resistance and wear [38,39].…”

Section: Discussionmentioning

confidence: 76%

Section: Discussionmentioning

confidence: 99%

Applications and Clinical Behavior of BioHPP in Prosthetic Dentistry: A Short Review

et al. 2022

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“…In the in vitro study by Omaish et al, the microstrain values recorded around implants restored with TRINIA TM were also significantly lower than those restored with bioactive high-performance polymer (BioHPP) when a static load was applied, with considerably higher microstrain when the implant abutment angulation increased [37]. Reduced stress transmission might reduce the risk of biological and technical complications in implantsupported rehabilitations.…”

Section: Discussionmentioning

confidence: 98%

“…The masticatory robot set-up of the University of Genova (Italy) used in previously published papers [34,35] (Figure 1) was used to compare the shock absorption capacity of 2 polymeric materials: the polyetherketoneketone Pekkton ® ivory (Cendres+Mètaux SA, Biel/Bienne, Switzerland) and the glass fiber-reinforced nanohybrid composite resin TRINIA TM (Bicon, Boston, MA, USA), which consists of 60% multi-directional interlacing glass fibers (woven configuration) and 40% epoxy resin in several layers [16,[36][37][38] (Table 1).…”

Section: Methodsmentioning

confidence: 99%

Shock Absorption Capacity of High-Performance Polymers for Dental Implant-Supported Restorations: In Vitro Study

Menini,

Delucchi,

Bagnasco

et al. 2024

Dentistry Journal

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Background: Restorative materials might significantly affect load transmission in peri-implant bone. The aim of the present study is to evaluate the shock absorption capacity of two different polymeric materials to be used for implant-supported prostheses. Methods: A masticatory robot was used to compare the shock absorption capacity of veneered and non-veneered polyetherketoneketone (PEKK), Pekkton®ivory (Cendres+Mètaux), and the glass fiber-reinforced composite (GFRC), TRINIATM (Bicon). Five identical sample crowns for each of the three groups were tested. Forces transmitted at the simulated peri-implant bone were recorded and statistically analyzed. Results: The statistical analysis of forces transmitted at the simulated dental implant revealed significant differences between the materials tested and between these materials and zirconia, glass ceramic, composite resin, and acrylic resin. Only differences between PEKK and veneered PEKK and between PEKK and one of the previously tested composite resins were not statistically significant. PEKK samples demonstrated significantly greater shock absorption capacity compared to GFRC. Conclusions: PEKK revealed optimal shock absorption capacity. Further studies are needed to evaluate its efficacy in the case of long-span prostheses with reduced prosthetic volume.

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“…The strain gauges were used to evaluate the strain developed around the implants. The models made of TRINIA exhibited significantly lower microstrains compared to models made of BioHPP(52).However, there were contrasting results on this topic, Cibirka et al designed a study to determine the force absorption ratio for three materials used in the implant: gold, porcelain, and dual-cured composite resin. The self-tapping implant was inserted in a human cadaver mandible, applied force through a peanut sample, and measured microstrains with a strain gauge stuck at the lingual bone surface.…”

mentioning

confidence: 99%

Influence of CAD/CAM materials on damping behavior of implant-supported crown

Sukkasam

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This study was to investigate the damping capacity of implant-supported crowns made from various computer-aided design and computer-aided manufacturing (CAD-CAM) restorative materials.�A titanium implant fixture was embedded in epoxy resin.�Crown specimens were divided into three groups: Zirconia (Z), Lithium disilicate (E), and Polymethyl methacrylate�(P). Each crown was subdivided into Uncement�(Un) and Adhesive resin cement (RC) subgroups�(n=5). Specimens were loaded�(0-200N).�Strain gauges were attached to measure microstrains at crestal and apical levels. Damping capacity was determined based on load-time curves,�microstrain-time curves, and time required to reach the maximum load.�A two-way ANOVA with Tukey post hoc test and independent�t-test were conducted (?=0.05). The results showed that�slopes of curves�and time to reach maximum load were similar in the Z and E groups (p>0.05), but the P group exhibited less steep slopes and more time to reach maximum load (p<0.05). The UN group had significantly steeper microstrain slopes at crestal level and less time to reach maximum load compared to the AR group (p<0.05). In conclusion, the crown material significantly influenced the damping capacity, with lower modulus of elasticity materials showing higher damping capacity. Cementation enhanced�damping capacity in implant-supported crowns.

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Comparison of the strain developed around implants with angled abutments with two reinforced polymeric CAD-CAM superstructure materials: An in vitro comparative study

Cited by 7 publications

References 37 publications

Applications and Clinical Behavior of BioHPP in Prosthetic Dentistry: A Short Review

Applications and Clinical Behavior of BioHPP in Prosthetic Dentistry: A Short Review

Shock Absorption Capacity of High-Performance Polymers for Dental Implant-Supported Restorations: In Vitro Study

Influence of CAD/CAM materials on damping behavior of implant-supported crown

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