509 results match your criteria repair material

Comparison of the sealing ability of various bioceramic materials for endodontic surgery.

Restor Dent Endod 2021 Aug 8;46(3):e35. Epub 2021 Jun 8.

Department of Endodontics, School of Dentistry, University of Washington, Seattle, WA, USA.

Objectives: Endosequence Bioceramic Root Repair Material (BC-RRM) is used in endodontic microsurgery. It is available as a paste and a putty. However, no studies to date have examined the sealing ability of these forms alone or in combination as root-end filling materials. Read More

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Comparison of the Success Rate of Mineral Trioxide Aggregate, Endosequence Bioceramic Root Repair Material, and Calcium Hydroxide for Apexification of Immature Permanent Teeth: Systematic Review and Meta-Analysis.

J Pharm Bioallied Sci 2021 Jun 5;13(Suppl 1):S43-S47. Epub 2021 Jun 5.

Department of OMFS, Narsinhbhai Patel Dental College and Hospital, Sankalchand Patel University, Visnagar, Gujarat, India.

This systematic review aims to compare the success rate of Endosequence bioceramic root repair material (BCRRM), mineral trioxide aggregate (MTA), and calcium hydroxide for apexification of necrotic immature permanent teeth. Indexed Journals such as Google Scholar, PubMed, Scopus, Cochrane, Research Gate, Wiley Online Library, and other related journals were hand searched from inception till November 2020 and articles were selected for review based on PRISMA guidelines. Of the 410 studies that were identified, 150 articles were selected after title/abstract reading. Read More

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Does MTA provide a more favourable histological response than other materials in the repair of furcal perforations? A systematic review.

Int Endod J 2021 Aug 21. Epub 2021 Aug 21.

Postgraduate Program in Dentistry, Dental School, Federal University of Rio Grande do Sul, Porto Alegre, Brazil.

Background: There is no consensus on which furcal perforation repair material induces a more favourable histological response. This systematic review of laboratory studies provides an overview of the studies comparing repair materials in animal models.

Objectives: To evaluate whether mineral trioxide aggregate (MTA) yields a more favourable histological response than other materials when used to repair furcal perforations in animal experimental models. Read More

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[ biological safety study of porous zinc oxide/hydroxyapatite composite materials].

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi 2021 Jul;35(7):847-854

Department of Orthopedics, the First People's Hospital of Yunnan Province, Kunming Yunnan, 650032, P.R.China.

Objective: To evaluate the biological safety of porous zinc oxide (ZnO)/hydroxyapatite (HA) composite materials.

Methods: The porous ZnO/HA composite materials and porous HA materials were prepared by the spark plasma sintering technology. First, the materials were characterized, including scanning electron microscopy to observe the material structure, degradation experiments to detect the degradation rate of the materials, and inductively coupled plasma emission spectrometer to detect the concentration of Zn dissolved out of the composite material degradation. Read More

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Recent advances in design and applications of biomimetic self-assembled peptide hydrogels for hard tissue regeneration.

Biodes Manuf 2021 Jul 20:1-22. Epub 2021 Jul 20.

Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA 91125 USA.

Abstract: The development of natural biomaterials applied for hard tissue repair and regeneration is of great importance, especially in societies with a large elderly population. Self-assembled peptide hydrogels are a new generation of biomaterials that provide excellent biocompatibility, tunable mechanical stability, injectability, trigger capability, lack of immunogenic reactions, and the ability to load cells and active pharmaceutical agents for tissue regeneration. Peptide-based hydrogels are ideal templates for the deposition of hydroxyapatite crystals, which can mimic the extracellular matrix. Read More

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Bonding Interface and Repairability of 3D-Printed Intraoral Splints: Shear Bond Strength to Current Polymers, with and without Ageing.

Materials (Basel) 2021 Jul 14;14(14). Epub 2021 Jul 14.

Department of Prosthodontics, University Clinic of Dentistry, Oral Medicine, and Maxillofacial Surgery with Dental School, Tuebingen University Hospital, Osianderstr. 2-8, 72076 Tübingen, Germany.

This in-vitro study investigates the bonding interfaces reached by the conditioning of a splint material additively manufactured by digital light processing (AM base) as well as the shear bond strength (SBS) of resins bonded to these surfaces (repair material). Therefore, the AM base was either stored in dry for 12 h or wet environment for 14 days to simulate ageing by intraoral wear. The dry and wet group was bonded after physical and/or chemical conditioning to cylinders made from polymethylmethacrylate or four novel polymers allowing splint modifications. Read More

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Evaluation of Endosequence Root Repair Material and Endocem MTA as direct pulp capping agents: An in vivo study.

Aust Endod J 2021 Jul 18. Epub 2021 Jul 18.

Department of Conservative Dentistry and Endodontics, Maulana Azad Institute of Dental Sciences, New Delhi, India.

The study aimed to assess the human pulpal response to direct pulp capping using Endosequence Root Repair Material (ERRM) and Endocem MTA against ProRoot MTA as control. Intentional direct pulp capping was done using the three materials in 30 caries-free human premolars. After 30 days, the teeth were extracted, fixed and decalcified. Read More

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Improved cell seeding efficiency and cell distribution in porous hydroxyapatite scaffolds by semi-dynamic method.

Cell Tissue Bank 2021 Jul 12. Epub 2021 Jul 12.

China Key Laboratory of Advanced Technologies of Materials, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, Sichuan, China.

Tissue engineering is a promising technique for the repair of bone defects. An efficient and homogeneous distribution of cell seeding into scaffold is a crucial but challenging step in the technique. Murine bone marrow mesenchymal stem cells were seeded into porous hydroxyapatite scaffolds of two morphologies by three methods: static seeding, semi-dynamic seeding, or dynamic perfusion seeding. Read More

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A Comparative Evaluation of Sealing Ability of Five Different Materials for Furcation Perforation Repair Using UV-Spectrophotometric Analysis: An In-Vitro Study.

Mymensingh Med J 2021 Jul;30(3):840-845

Dr Ruchi Shah, Senior Lecturer, Department of Conservative Dentistry and Endodontics, KM Shah Dental College and Hospital. Sumandeep Vidhyapeeth, Vadodara, Gujarat. India; E-mail:

This in-vitro study was done to compare the sealing ability of Mineral trioxide aggregate (MTA), Biodentine, a mixture of MTA and Glass ionomer cement (GIC) in 2:1 and 1:1 ratio and MTA CEM, as furcation repair material using a dye extraction leakage model in the department of Conservative Dentistry and Endodontics from January 2020 to December 2020. Eighty five extracted molars with divergent and well formed roots were selected for study and were randomly divided according to the material used for perforation repair. Group A: MTA, Group B: Biodentine, Group C: MTA mixed with GIC in 2:1 ratio. Read More

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Comparison of Tensile Bond Strength of Addition Silicone with Different Custom Tray Materials Using Different Retentive Methods.

J Contemp Dent Pract 2021 Mar 1;22(3):278-283. Epub 2021 Mar 1.

Department of Pedodontics and Preventive Dentistry, Bharati Vidyapeeth Dental College and Hospital, Pune, Maharashtra, India.

Aim: To compare the bond strength of addition silicone with different commonly used custom tray materials by means of different retentive methods (mechanical, chemical, and a combination of chemical and mechanical methods).

Materials And Methods: Fabrications of 90 samples of different tray resin materials were done using an aluminum mold. They were divided into three main groups. Read More

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Effects of bovine cancellous bone powder/poly amino acid composites on cellular behaviors and osteogenic performances.

Biomed Mater 2021 Jul 6;16(5). Epub 2021 Jul 6.

School of Automation and Information Engineering, Sichuan University of Science and Engineering, Zigong, People's Republic of China.

Xenogeneic bone has good biological activity, but eliminating immunogenicity, while retaining osteogenic abilities, is a challenge. By combining xenogeneic bone with poly amino acid (PAA) that has an amide bond structure, a new type of composite conforming to bionics and low immunogenicity may be obtained. In this study, according to the principles of component bionics, three composites of delipidized cancellous bone powder (DCBP) and PAA were designed and obtained by anpolycondensation method, an extrusion molding (EM) method, and a solution-blend method. Read More

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Decellularized nerve extracellular matrix/chitosan crosslinked by genipin to prepare a moldable nerve repair material.

Cell Tissue Bank 2021 Sep 11;22(3):419-430. Epub 2021 Jun 11.

Department of Human Anatomy, College of Basic Medical Sciences, Binzhou Medical University, Yantai, 264003, People's Republic of China.

Decellularized nerve extracellular matrix (NECM) composited with chitosan are moldable materials suitable for spinal cord repair. But the rapid biodegradation of the materials may interrupt neural tissue reconstruction in vivo. To improve the stability of the materials, the materials produced by NECM and chitosan hydrogels were crosslinked by genipine, glutaraldehyde or ultraviolet ray. Read More

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September 2021

Long-term effect of acidic pH on the surface microhardness of ProRoot mineral trioxide aggregate, Biodentine, and total fill root repair material putty.

Dent Res J (Isfahan) 2021 23;18. Epub 2021 Feb 23.

Department of Endodontics, Marmara University, Basibuyuk Saglik Yerleskesi, Istanbul, Turkey.

Background: The purpose of this study was to compare the microhardness values of ProRoot mineral trioxide aggregate (MTA), Biodentine, and total fill root repair material (TF-RRM) Putty at varying pH and times.

Materials And Methods: In this laboratory experiment, materials were mixed and placed in cylinder blocks with internal dimensions of 6 mm × 4 mm. Ten samples of each material were soaked in buffered solutions of butyric acid with 4. Read More

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February 2021

Injectable Affinity and Remote Magnetothermal Effects of Bi-Based Alloy for Long-Term Bone Defect Repair and Analgesia.

Adv Sci (Weinh) 2021 07 20;8(14):e2100719. Epub 2021 May 20.

Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing, 100084, China.

As alternatives, metallic/nonmetallic bone graft materials play significant roles in bone defect surgery to treat external trauma or bone disease. However, to date, there are rather limited long-term implantable materials owning to in situ molding incapability of metallics and poor mechanical property of nonmetallics. Here, Bi-based low melting point alloy, with unique properties of injectability, solid-liquid phase transition, mechanical capability, and biocompatibility, present obvious long-lasting bone affinity as the excellent artificial bone-substitute. Read More

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Evaluation of Sealing Potential of Different Repair Materials in Furcation Perforations Using Dye Penetration: An Study.

J Contemp Dent Pract 2021 Jan 1;22(1):80-83. Epub 2021 Jan 1.

Department of Conservative Dentistry and Endodontics, Annoor Dental College, Kerala, India.

Aim: The present study aimed to assess the sealing ability of various repair materials in furcation perforations using dye penetration.

Materials And Methods: A total of 80 human first molars from mandible with unbroken enamel surfaces, which were extracted completely for periodontal reasons, were chosen. All extracted teeth were kept in a sterile solution up until further use. Read More

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January 2021

[Research progress on bone defect repair materials].

Zhongguo Gu Shang 2021 Apr;34(4):382-8

The 940th Hospital Joint Logistics Support Force of Peoples Liberation Army, Lanzhou 730050, Gansu, China.

In the process of repairing of bone defects, bone scaffold materials need to be implanted to restore the corresponding tissue structure at the injury. At present, the repair materials used for bone defects mainly include autogenous bone, allogeneic bone, metal materials, bioceramics, polymer materials and various composite materials. Different materials have demonstrated strong reconstruction ability in bone repair, but the ideal bone implants in the clinic are still yet to be established. Read More

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Biocompatibility of NeoMTA Plus® versus MTA Angelus as delayed furcation perforation repair materials in a dog model.

BMC Oral Health 2021 04 13;21(1):192. Epub 2021 Apr 13.

Department of Endodontic, Faculty of Dentistry, Ain Shams University, Cairo, Egypt.

Background: The biocompatibility of NeoMTA Plus® (Avlon BioMed Inc., Bradenton, Fl) as a furcal perforation repair material is not fully understood. This study compares the biocompatibility of Mineral Trioxide Aggregate (MTA Angelus) and NeoMTA Plus® as delayed furcation perforation repair materials. Read More

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Osteogenic Peptides and Attachment Methods Determine Tissue Regeneration in Modified Bone Graft Substitutes.

J Funct Biomater 2021 Mar 31;12(2). Epub 2021 Mar 31.

School of Clinical Dentistry, The University of Sheffield, Sheffield S10 2TA, UK.

The inclusion of biofunctional molecules with synthetic bone graft substitutes has the potential to enhance tissue regeneration during treatment of traumatic bone injuries. The clinical use of growth factors has though been associated with complications, some serious. The use of smaller, active peptides has the potential to overcome these problems and provide a cost-effective, safe route for the manufacture of enhanced bone graft substitutes. Read More

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Effect of Air-Abraded Versus Laser-Fused Fluorapatite Glass-Ceramics on Shear Bond Strength of Repair Materials to Zirconia.

Materials (Basel) 2021 Mar 17;14(6). Epub 2021 Mar 17.

Division of Dentistry, School of Medical Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester M13 9PL, UK.

Zirconia repair could be a feasible alternative option to total replacement in fractured zirconia-based restorations. Maximising the bond strength by enriching zirconia with fluorapatite glass-ceramics (FGC) powder has been addressed and compared to other surface treatments. Besides resin composite, other repair materials have been proposed and compared. Read More

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Effects of different surface treatments and adhesive self-etch functional monomers on the repair of bulk fill composites: A randomised controlled study.

J Dent 2021 05 22;108:103637. Epub 2021 Mar 22.

Department of Biomaterials and Prosthetic Dentistry, Faculty of Dentistry, University of Debrecen, Nagyerdei krt. 98., H4032, Debrecen, Hungary. Electronic address:

Objective: To evaluate the effect of different adhesive protocols on the microtensile bond strength (μTBS) and integrity of the repaired bulk fill composite interface.

Methods: Two hundred and seventy composite blocks made of bulk fill composites of different viscosity were randomly assigned to 18 surface conditioning groups (n = 15/group). The universal adhesive systems used were Heliobond™, Tokuyama bond force II™ and Scotchbond Universal™. Read More

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[Advantages and challenges of carbon nanotubes as bone repair materials].

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi 2021 Mar;35(3):271-277

Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, P.R.China.

With the in-depth research on bone repair process, and the progress in bone repair materials preparation and characterization, a variety of artificial bone substitutes have been fully developed in the treatment of bone related diseases such as bone defects. However, the current various natural or synthetic biomaterials are still unable to achieve the structure and properties of natural bone. Carbon nanotubes (CNTs) have provided a new direction for the development of new materials in the field of bone repair due to their excellent structural stability, mechanical properties, and functional group modifiability. Read More

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Impact of Surface Treatment with Different Repair Acrylic Resin on the Flexural Strength of Denture Base Resin: An Study.

J Contemp Dent Pract 2020 Oct 1;21(10):1137-1140. Epub 2020 Oct 1.

Department of Public Health Dentistry, Clinical Practitioner, Mumbai, Maharashtra, India.

Aim And Objective: The aim and objective of the present study was to assess the flexural strength of denture base resin based on surface treatment with different acrylic resin repair materials.

Materials And Methods: Totally, 120 heat-polymerized polymethyl methacrylate denture base resin materials which are rectangular shaped with the size of 65 mm × 10 mm × 2.5 mm were fabricated. Read More

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October 2020

Sealing Ability of Calcium Silicate-based Materials in the Repair of Furcal Perforations: A Laboratory Comparative Study.

J Contemp Dent Pract 2020 Oct 1;21(10):1091-1097. Epub 2020 Oct 1.

Department of Endodontics, Faculty of Dentistry, Saint Joseph University, Beirut, Lebanon.

Aim: To assess the sealing ability of two calcium silicate-based materials in the treatment of iatrogenic furcal perforations using a dye-penetration leakage model.

Materials And Methods: Furcation perforations were performed using a size 12 round burr on the pulp chamber floor of 20 first mandibular molars. The teeth were then randomly divided into two groups, two additional molars served as negative controls. Read More

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October 2020

Biomineralization of three calcium silicate-based cements after implantation in rat subcutaneous tissue.

Restor Dent Endod 2021 Feb 2;46(1):e1. Epub 2020 Dec 2.

Division of Biomedical Engineering, University of Saskatchewan, Saskatoon, Canada.

Objectives: The aim of this study was to evaluate the dystrophic mineralization deposits from 3 calcium silicate-based cements (Micro-Mega mineral trioxide aggregate [MM-MTA], Biodentine [BD], and EndoSequence Root Repair Material [ESRRM] putty) over time after subcutaneous implantation into rats.

Materials And Methods: Forty-five silicon tubes containing the tested materials and 15 empty tubes (serving as a control group) were subcutaneously implanted into the backs of 15 Wistar rats. At 1, 4, and 8 weeks after implantation, the animals were euthanized ( = 5 animals/group), and the silicon tubes were removed with the surrounding tissues. Read More

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February 2021

Effect of PCE on Properties of MMA-Based Repair Material for Concrete.

Materials (Basel) 2021 Feb 11;14(4). Epub 2021 Feb 11.

College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211816, China.

Methyl methacrylate (MMA)-based repair material for concrete has the characteristics of low viscosity, excellent mechanical properties, and good durability. However, its application is limited due to its large shrinkage. Existing studies have shown that adding perchloroethylene can reduce the shrinkage. Read More

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February 2021

Biofunctionalized fibrin gel co-embedded with BMSCs and VEGF for accelerating skin injury repair.

Mater Sci Eng C Mater Biol Appl 2021 Feb 27;121:111749. Epub 2020 Nov 27.

Key Laboratory of Advanced Technology of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu 610031, PR China. Electronic address:

Rapid and effective repair of epithelial tissue is desirable for improving the success rate of operation and reducing postoperative complications. Hydrogel is a widely studied wound repair material, especially as a wound dressing for damaged epithelial tissue. Based on the catalytic effect of thrombin on fibrinogen, in this study, a three-dimensional fibrin gel which of adequate epithelial cell compatibility was constructed by using thrombin and fibrinogen under the cross-linking action of calcium ion. Read More

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February 2021

Comparative evaluation of effect of chloroquick irrigating solution on push-out bond strength of endoseal mineral trioxide aggregate and endosequence root repair material when used as furcal perforation repair material: An study.

J Conserv Dent 2020 May-Jun;23(3):259-264. Epub 2020 Dec 4.

Department of Orthodontics and Dentofacial Orthopaedic, K M Shah Dental College, Sumandeep Vidyapeeth, Vadodara, Gujarat, India.

Aim: The purpose of this study was to comparatively evaluate the effect of Chloroquick irrigating solution on push-out bond strength of Endoseal mineral trioxide aggregate (MTA) and endosequence root repair material (ERRM) when used as furcal perforation repair materials.

Materials And Methods: Forty human extracted mandibular molars were collected. A standardized endodontic access cavity was prepared in 40 samples, and intentional perforation of 1. Read More

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December 2020

Biological evaluation of the modified nano-amorphous phosphate calcium doped with citrate/poly-amino acid composite as a potential candidate for bone repair and reconstruction.

J Mater Sci Mater Med 2021 Jan 25;32(1):16. Epub 2021 Jan 25.

College of Physics, Sichuan University, Chengdu, 610064, China.

Large numbers of research works related to fabricating organic-inorganic composite materials have been carried out to mimic the natural structure of bone. In this study, a new modified n-ACP doped with citrate (n-ACP-cit)/poly (amino acids) (PAA) composite (n-ACP-cit/PAA) was synthesized by employing high bioactive n-ACP-cit and the biodegradable and biocompatible PAA copolymer. Its basic structure was characterized by X-ray diffraction spectroscopy, Fourier transformed infrared spectroscopy, and X-ray photoelectron spectroscopy. Read More

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January 2021

Impact of Zr-Doped BiO Radiopacifier by Spray Pyrolysis on Mineral Trioxide Aggregate.

Materials (Basel) 2021 Jan 19;14(2). Epub 2021 Jan 19.

Research Center of Digital Oral Science and Technology, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan.

Mineral trioxide aggregates (MTA) have been developed as a dental root repair material for a range of endodontics procedures. They contain a small amount of bismuth oxide (BiO) as a radiopacifier to differentiate adjacent bone tissue on radiographs for endodontic surgery. However, the addition of BiO to MTA will increase porosity and lead to the deterioration of MTA's mechanical properties. Read More

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January 2021

Synthesis and Modification of Hydroxyapatite Nanofiber for Poly(Lactic Acid) Composites with Enhanced Mechanical Strength and Bioactivity.

Nanomaterials (Basel) 2021 Jan 15;11(1). Epub 2021 Jan 15.

School of Chemical and Biological Engineering, Seoul National University, Seoul 08826, Korea.

To enhance the bioactivity of poly(lactic acid) (PLA), a potential bone repair material, without the lowering of mechanical strength, hydroxyapatite (HA) was introduced in the form of nanofibers as the filler for application in spinal implant materials. HA nanofibers (HANF) with aspect ratio as high as ~100 were synthesized by controlling the starting pH of the reaction. While the tensile and flexural strength of PLA/HANF composites were enhanced compared with those of PLA resin, and were higher for the composites with HANF of higher aspect ratio. Read More

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January 2021