Magnesium phosphate cements for endodontic applications with improved long‐term sealing ability

Mestres, Gemma; Aguilera, Fátima S.; Manzanares, Norbert; Sauro, Salvatore; Osorio, Raquel; Toledano, Manuel; Ginebra, Maria‐Pau

doi:10.1111/iej.12123

Cited by 54 publications

(43 citation statements)

References 40 publications

(84 reference statements)

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“…Despite its many advantages MTA also has some less than optimal properties, such as difficult handling, long setting time and potential discoloration of teeth with GMTA . Efforts have been made to overcome these shortcomings; however, adding or removing various elements to alleviate these shortcomings may affect MTA's otherwise excellent characteristics .…”

Section: Bioceramic Cementsmentioning

confidence: 99%

Bioceramic materials in endodontics

Wang¹

2015

Endodontic Topics

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During the past two decades, a number of major advances have been made in the field of bioactive ceramics used for endodontic treatment. This article reviews the physico‐chemical and biological properties of bioceramic materials and the application of bioceramic technology to endodontics. Bioceramic materials, with their biocompatible nature and excellent physico‐chemical properties, are widely used in endodontic applications. They can function as cements, root repair materials, root canal sealers and filling materials, which have the advantages of enhanced biocompatibility, potential increased root strength following obturation, antibacterial properties and sealing ability. New bioceramic materials have demonstrated the ability to overcome some of the significant limitations of earlier generations of endodontic materials. Most bioceramic materials have been shown to be biocompatible and have good physico‐chemical characteristics, therefore having a potential use in clinical endodontics. Although in vitro studies on the use of bioceramic materials in endodontics have given encouraging results, randomized and double‐blind clinical studies of sufficient length with these materials are needed to confirm long‐term success following their use.

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Section: Bioceramic Cementsmentioning

confidence: 99%

Bioceramic materials in endodontics

Wang¹

2015

Endodontic Topics

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“…Moreover, biodegradability of cements can be obtained by using struvite-forming magnesium phosphate cements (MPCs), with an assumed degradation within 10–12 months in vivo [13] as a result of their high solubility (pKs = 12–14) [14]. Also, MPCs exhibit high initial compressive strength values above 50 MPa [15,16,17,18,19].…”

Section: Introductionmentioning

confidence: 99%

Biomechanical Evaluation of Promising Different Bone Substitutes in a Clinically Relevant Test Set-Up

Brueckner

Heilig²,

Jordan³

et al. 2019

Materials

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(1) Background: Bone substitutes are essential in orthopaedic surgery to fill up large bone defects. Thus, the aim of the study was to compare diverse bone fillers biomechanically to each other in a clinical-relevant test set-up and to detect differences in stability and handling for clinical use. (2) Methods: This study combined compressive strength tests and screw pullout-tests with dynamic tests of bone substitutes in a clinical-relevant biomechanical fracture model. Beyond well-established bone fillers (ChronOSTM Inject and Graftys® Quickset), two newly designed bone substitutes, a magnesium phosphate cement (MPC) and a drillable hydrogel reinforced calcium phosphate cement (CPC), were investigated. (3) Results: The drillable CPC revealed a comparable displacement of the fracture and maximum load to its commercial counterpart (Graftys® Quickset) in the clinically relevant biomechanical model, even though compressive strength and screw pullout force were higher using Graftys®. (4) Conclusions: The in-house-prepared cement allowed unproblematic drilling after replenishment without a negative influence on the stability. A new, promising bone substitute is the MPC, which showed the best overall results of all four cement types in the pure material tests (highest compressive strength and screw pullout force) as well as in the clinically relevant fracture model (lowest displacement and highest maximum load). The low viscosity enabled a very effective interdigitation to the spongiosa and a complete filling up of the defect, resulting in this demonstrated high stability. In conclusion, the two in-house-developed bone fillers revealed overall good results and are budding new developments for clinical use.

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“…Previously, calcium hydroxide was used in such treatments but has not been widely accepted because of unpredictable results such as not adhering to dentin and dissolving over time and dentin bridges adjacent to the material containing multiple tunnel defects (4). Thus, novel dental biomaterials are being used instead of calcium hydroxide (5)(6)(7). Mineral trioxide aggregate (MTA), which consists of a mixture of tricalcium aluminate, dicalcium silicate, tricalcium silicate, tetracalcium aluminoferrite, and bismuth oxide, was first applied in dentistry in 1993 (8).…”

mentioning

confidence: 99%

Shear Bond Strength of a Self-adhering Flowable Composite and a Flowable Base Composite to Mineral Trioxide Aggregate, Calcium-enriched Mixture Cement, and Biodentine

Altunsoy

Tanrıver

et al. 2015

Journal of Endodontics

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Magnesium phosphate cements for endodontic applications with improved long‐term sealing ability

Abstract: These MPCs had adequate handling and mechanical properties and low degradation rates. Furthermore, a stable sealing ability was demonstrated up to 6 months when using the cement both as root filling material and as sealer in conjunction with gutta-percha.

Cited by 54 publications

References 40 publications

Bioceramic materials in endodontics

Bioceramic materials in endodontics

Biomechanical Evaluation of Promising Different Bone Substitutes in a Clinically Relevant Test Set-Up

Shear Bond Strength of a Self-adhering Flowable Composite and a Flowable Base Composite to Mineral Trioxide Aggregate, Calcium-enriched Mixture Cement, and Biodentine

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