Bibliographies thématiques / Intraoral luting

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Littérature scientifique sur le sujet « Intraoral luting »

Auteur : Grafiati

Publié le 9 mars 2023

Mis à jour le 10 mars 2023

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Articles de revues sur le sujet "Intraoral luting"

Gemalmaz, Deniz, Cornelis H. Pameijer, Mark Latta, Ferah Kuybulu et Toros Alcan. « In Vivo Disintegration of Four Different Luting Agents ». International Journal of Dentistry 2012 (2012) : 1–6. http://dx.doi.org/10.1155/2012/831508.

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The purpose of this study was to evaluate the disintegration of luting agents. An intraoral sample holder was made having four holes of 1.4 mm diameter and 2 mm depth. The holder was soldered onto the buccal surface of an orthodontic band, which was cemented to the first upper molar in 12 patients, average age 26 years. The holes were filled with a zinc phosphate (Phosphate Kulzer), a glass ionomer (Ketac Cem), a resin-modified-glass ionomer (Fuji Plus), and a resin cement (Calibra). Impressions were made at baseline, and 6, 12, and 18 months from which epoxy replicas were made, which were scanned with an optical scanner. Total volume loss was calculated. The rank order of mean volume loss was as follows: Phosphate cement > Ketac Cem = Fuji Plus = Calibra. Cement type and time had statistically significant effects on volume loss of cements (P<0.001). Under in vivo conditions, zinc phosphate cement disintegrated the most, whereas no significant difference was observed for glass ionomer and resin-based cements. As intraoral conditions are considerably less aggressive than experimental laboratory conditions, the erosion behavior of glass ionomer cement was found to be similar to the resin-based cements in contradiction to previous laboratory results.

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Baig, Mirza Rustum, et Gunaseelan Rajan. « Full-Arch Metal-Resin Cement- and Screw-Retained Provisional Restoration for Immediately Loaded Implants ». Journal of Oral Implantology 36, n^o 3 (1 juin 2010) : 219–23. http://dx.doi.org/10.1563/aaid-joi-d-09-00048.

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Abstract This article describes the clinical and laboratory procedures involved in the fabrication of laboratory-processed, provisional, screw-retained, implant-supported maxillary and mandibular fixed complete dentures incorporating a cast metal reinforcement for immediate loading of implants. Precise fit is achieved by intraoral luting of the cast frame to milled abutments. Effective splinting of all implants is attained by the metal substructure and retrievability is provided by the screw-retention of the prosthesis.

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Baig, Mirza Rustum, et Rajan Gunaseelan. « Metal-Ceramic Screw-Retained Implant Fixed Partial Denture With Intraoral Luted Framework to Improve Passive Fit ». Journal of Oral Implantology 38, n^o 2 (1 avril 2012) : 149–53. http://dx.doi.org/10.1563/aaid-joi-d-09-00089.

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Passive fit of a long-span screw-retained implant prosthesis is an important criteria for the success of the restoration. This article describes a technique for fabricating a ceramometal implant fixed dental prosthesis (FDP) for a long-span partially edentulous situation by altering the conventional screw-retained design. The possibility of a passive fit is maximized by intraoral luting of the cast frame to milled abutments, and the potential framework distortion during fabrication is compensated to a major extent. Retrievability is ensured by screw retention of the prosthesis to the implants. Compared with conventional porcelain fused to metal screw-retained FDP, this prosthesis is relatively inexpensive to fabricate.

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Imamura, Glen M., John W. Reinhardt et Jorge Perdigao. « Scanning electron microscopy evaluation of heat cured composite resin after surface preparation to enhance bond strength ». Proceedings, annual meeting, Electron Microscopy Society of America 51 (1 août 1993) : 462–63. http://dx.doi.org/10.1017/s0424820100148149.

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Tooth shaded composite resin is frequently used as a direct restorative material in the oral cavity. However, during setting it undergoes a volumetric shrinkage which can result in leakage around margins of the restoration. Indirect techniques avoid intraoral shrinkage by fabricating and curing the composite at elevated temperatures outside of the mouth. Higher curing temperatures also improve physical properties in vitro. The completed restoration is then cemented into the prepared cavity with a low viscosity composite resin cement. This study evaluated the effect of varied surface preparation and chemical conditioning on the bond strength of two different indirect heat cured composite resins to a composite resin luting cement.Well and disk specimens of a microfilled resin (Concept, Williams), groups 1-7, and a minifilled hybrid resin (Herculite-XRV-Lab, Kerr), groups 8-14, were fabricated and cured at 250° C and 85 psi pressure. Each resin set was randomly divided into 7 groups of 10 specimens.

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Saeed, Mostafa, Mahmoud Mokhtar El-Far et Amr Hosny Elkhadem. « Prosthetic Complications of Screw-Retained Restoration Using Multiunit Abutments Versus Intraoral Luting on Titanium Base in Implant-Supported Complete Overdentures Randomized Clinical Trial ». Open Access Macedonian Journal of Medical Sciences 10, n^o D (3 janvier 2022) : 14–27. http://dx.doi.org/10.3889/oamjms.2022.7662.

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BACKGROUND: This trial aims to study the difference between prostheses screwmented on full-arch implants using the intraoral luting cement technique on titanium bases versus transmucosal abutments in terms of prosthetic complications. MATERIALS AND METHODS: Twenty patients were recruited in this trial, there were mainly two groups. A screw-retained full-arch implant-supported prosthesis was constructed over four dental implants on upper or lower jaws. For the control group, multiunit abutments were used to construct a screw-retained prosthesis. As for the experimental group, Ti-base abutments were used over the dental implants to construct a screw-retained prosthesis. In both groups, the prosthetic framework was made using polyether ether ketone (PEEK) material and luted intraorally over the titanium sleeve using resin cement. A binary outcome of prosthetic complication was taken in 6 and 12 months. Abutment screw loosening, prosthetic screw loosening, prosthetic screw fracture, abutment screw fracture, veneer fracture, framework fracture, Ti-base decementation, and overall prosthetic loosening were the prosthetic complications included in the trial. RESULTS: At the end of the study, a total of 19 patients adhered to the trial. Throughout the exposure process of implants, two implants failed in one patient from the Ti-base group. This patient was excluded from the study on his request. There was no statistically significant difference present between Ti-base and multiunit abutment groups in terms of abutment and prosthetic screw loosening, abutment and prosthetic screw fracture, veneer and framework fracture, Ti-base decementation, and overall prosthesis loosening for 6 and 12 months. Data were explored for normality using Kolmogorov–Smirnov and Shapiro–Wilk tests, data showed non-parametric (not-normal) distribution. Qualitative data were presented as frequencies and percentages. Wilcoxon and Mann–Whitney tests were used to compare the qualitative outcomes in this study. CONCLUSION: Both multiunit and Ti-base are considered a viable line of treatment to construct a screw-retained full arch implant-supported prosthesis.

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Longoni, Salvatore, Matteo Sartori, Italo Maroni et Marco Baldoni. « Intraoral Luting : Modified Prosthetic Design to Achieve Passivity, Precision of Fit, and Esthetics for a Cement-Retained, Implant-Supported Metal-Resin-Fixed Complete Denture ». Journal of Prosthodontics 19, n^o 2 (février 2010) : 166–70. http://dx.doi.org/10.1111/j.1532-849x.2009.00526.x.

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Wassmann, Torsten, Andrea Schubert, Felix Malinski, Martin Rosentritt, Sebastian Krohn, Kirsten Techmer et Ralf Bürgers. « The antimicrobial and cytotoxic effects of a copper-loaded zinc oxide phosphate cement ». Clinical Oral Investigations 24, n^o 11 (20 mars 2020) : 3899–909. http://dx.doi.org/10.1007/s00784-020-03257-w.

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Abstract Objectives Evidence about modifications of dental luting materials to minimize biological failure at the “marginal gap” between teeth and fixed prosthodontics is scarce. We compared a copper-modified (Co-ZOP) and a conventional zinc oxide phosphate cement (ZOP) in terms of antimicrobial and cytotoxic potentials in vitro and in vivo. Materials and methods Specimens of ZOP and Co-ZOP were characterized by the mean arithmetic roughness (Ra) and surface free energy (SFE). Powder components were examined using scanning electron microscopy (SEM). Energy-dispersive X-ray spectroscopy (EDX) showed elemental material compositions. In vitro microbial adhesion was shown using SEM, luminescence, and fluorescence assays. CCK-8 assays of mouse fibroblasts (L929) and human gingival fibroblasts (GF-1) were performed after 6, 24, and 48 h of specimen incubation. In vivo, ZOP and Co-ZOP specimens were applied intraorally for 12 h; biofilm accumulation was shown using SEM. Results Ra of ZOP and Co-ZOP showed no significant differences; SFE was significantly higher for Co-ZOP. EDX exhibited minor copper radiation for Co-ZOP, none for ZOP. In vitro fungal adhesion to Co-ZOP was significantly higher than to ZOP; in vitro streptococcal adhesion, cytotoxicity, and in vivo biofilm formation were not significantly different. Conclusions Co-ZOP showed low surface allocations of copper with no improved antimicrobial properties compared with conventional ZOP in vitro or in vivo. Clinical relevance Antimicrobial effects and low cytotoxicity of biomaterials are important for the clinical outcome. Based on our in vitro and in vivo results, no clinical recommendation can be given for the tested Co-ZOP.

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Thèses sur le sujet "Intraoral luting"

SARTORI, MATTEO. « Valutazione della risposta parodontale in due tipologie di protesi implantare ». Doctoral thesis, Università degli Studi di Milano-Bicocca, 2009. http://hdl.handle.net/10281/7616.

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A new intraoral luting technique between electroformed galvanic gold caps (AGC) and a metallic framework for a Cement-retained Implant-supported Metal-resin-fixed Complete-denture (CIMC) is presented. The peculiarity is the different prosthetic design with the metallic framework that is 1.5 mm shorter than the margin of the galvanic caps. As a consequence, the conventional thick prosthesis margin (AGC, cement for the luting phase, framework)is modified into a thin AGC prosthesis seal (0,3 mm) just beyond the apical limit of the aesthetic material. Passive fit is achieved during the intraoral luting phase between the framework and the galvanic caps. In this retrospective study we analyzed the periodontal response (plaque index and sulcus bleeding index) between patients treated with the conventional technique and patients treated with the new technique. The results (36 months followup) show that the new prosthetic techniques allows better periodontal health and in both groups, according to Literature, we found a positive correlation between plaque index and sulcus bleeding index. In conclusion, the new procedure is efficient, standardized, and enhances aesthetics and periodontal health.

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