keyword
https://read.qxmd.com/read/38439926/transplantation-of-stem-cell-spheroid-laden-3-dimensional-patches-with-bioadhesives-for-the-treatment-of-myocardial-infarction
#1
JOURNAL ARTICLE
Hye Ran Jeon, Jeon Il Kang, Suk Ho Bhang, Kyung Min Park, Dong-Ik Kim
Myocardial infarction (MI) is treated with stem cell transplantation using various biomaterials and methods, such as stem cell/spheroid injections, cell sheets, and cardiac patches. However, current treatment methods have some limitations, including low stem cell engraftment and poor therapeutic effects. Furthermore, these methods cause secondary damage to heart due to injection and suturing to immobilize them in the heart, inducing side effects. In this study, we developed stem cell spheroid-laden 3-dimensional (3D) patches (S_3DP) with biosealant to treat MI...
2024: Biomaterials Research
https://read.qxmd.com/read/38357310/editorial-biomaterials-used-in-tissue-engineering-for-the-restoration-of-ocular-disorders
#2
EDITORIAL
Luis M Rodríguez-Lorenzo, Felisa Reyes-Ortega, May Griffith
No abstract text is available yet for this article.
2024: Frontiers in Pharmacology
https://read.qxmd.com/read/38170034/remineralization-ability-of-different-root-canal-sealers
#3
JOURNAL ARTICLE
Raghad A Al-Askary, Wiaam M O Al-Ashou, Sawsan H Al-Jubori
AIMS: This research was designed to contrast the biocompatibility and remineralization ability of different sealers (BioRoot, MTA-FillApex and GuttaFlow-Bioseal). METHOD: Twenty rabbits were used in this study, they were randomly divided into 4 groups equally depending on the observation time"3,7,14, and 28 days" post-implantation. Each rabbit was generally anesthetized,"7cm"long incision was made on the skin of the right and left sides of the ventral aspect of the mandible of each rabbit, 4 bony cavities of approximately"5mm"in depth and"2mm"in diameter (2 cavities on the left side and 2 cavities on the right side of mandible of each rabbit) were made in the cortical surface of the buccal alveolar bone...
December 2023: Saudi Dental Journal
https://read.qxmd.com/read/37894568/guttapercha-improves-in-vitro-bioactivity-and-dentin-remineralization-ability-of-a-bioglass-containing-polydimethylsiloxane-based-root-canal-sealer
#4
JOURNAL ARTICLE
Paola Taddei, Michele Di Foggia, Fausto Zamparini, Carlo Prati, Maria Giovanna Gandolfi
Guttapercha (GP, trans-1,4-polyisoprene) is the most used tooth root filling material, and it must be used with an appropriate cement (typically a polydimethylsiloxane (PDMS)-based sealer) to ensure an adequate canal obturation. This study aimed to assess the bioactivity and dentin remineralization ability of a bioglass containing PDMS commercial endodontic sealer, BG-PDMS (GuttaFlow Bioseal), and to evaluate the possible influence of a GP cone (Roeko GP point) on the mineralization process. To this end, BG-PDMS disks were aged alone or in the presence of a GP cone in Hank's Balanced Salt Solution (28 d, 37 °C)...
October 14, 2023: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://read.qxmd.com/read/37832724/fluoride-releasing-photothermal-responsive-tio-2-matrices-for-antibiosis-biosealing-and-bone-regeneration
#5
JOURNAL ARTICLE
Yang Xue, Lan Zhang, Fuwei Liu, Liang Kong, Dayan Ma, Yong Han
Peri-implantitis induced by infection leads to gingival recession, alveolar resorption and eventual dental implant failure. So, antibiosis and biosealing of abutments as well as osseointegration of roots need to be projected seriously during the whole service lifespan of dental implants. In this work, a multipurpose photothermal therapy strategy based on Si/P/F doped TiO2 matrix is proposed to address the above issues. This TiO2 matrix not only has outstanding photothermal response, but also triggers the release of F ions under near-infrared (NIR) light irradiation...
October 11, 2023: Journal of Controlled Release
https://read.qxmd.com/read/37794396/biocompatibility-of-three-different-root-canal-sealers-experimental-study
#6
JOURNAL ARTICLE
Ahmad Alfahlawy, Manar A A Selim, Hayam Y Hassan
OBJECTIVES: This study was assessed the biocompatibility of three different root canal sealers (Well-Root St, GuttaFlow Bioseal, and AH-Plus) following implantation in rat subcutaneous tissues, using histopathological immunohistochemical analysis. METHODS: Four groups of eighty-four male rats each underwent subcutaneous dorsal implantation of a polyethylene tube, either empty or filled. Tissues were collected, fixed, and processed for histological analysis after 7, 15, and 30 d...
October 4, 2023: BMC Oral Health
https://read.qxmd.com/read/37712652/comparison-of-the-dentin-tubule-penetration-of-ah-plus-wellroot-st-and-mta-bioseal-after-obturation-retreatment-and-re-shaping-of-the-root-canals
#7
JOURNAL ARTICLE
Betül Aycan Uysal, Burçin Arıcan
It was aimed to compare the dentine tubule penetration of AH Plus, MTA Bioseal, and WellRoot ST after filling, retreating, and reshaping the root canals by using a novel microscopic method. Seventy-five mandibular incisors with single root canals were shaped with Protaper Next system (PTN; X2-25/0.06) The teeth were obturated with AH Plus labeled with Rhodamin B and MTA Bioseal or WellRoot ST sealer which were labeled with Fluo-3. Then the root canal fillings were removed with Protaper Universal Retreatment files...
September 15, 2023: Microscopy Research and Technique
https://read.qxmd.com/read/36911158/cytotoxicity-comparison-of-bio-c-sealer-against-multiple-root-canal-sealers
#8
JOURNAL ARTICLE
Alba Tolosa-Monfà, Alma Veroni, Juan Blasi-Cabús, Maria-Lluisa Ballester-Palacios, Esther Berástegui-Jimeno
BACKGROUND: The aim of this study was to compare the cytotoxicity of calcium silicate-based endodontic sealer, Bio-C® Sealer, with other calcium silicate-based sealers: BioRoot™ RCS, one silicon-based sealer combined with calcium silicate particles: GuttaFlow® Bioseal, one resin MTA-based root canal sealer: MTA Fillapex®, and an epoxy resin-based sealer: AH Plus®. MATERIAL AND METHODS: NIH 3T3 fibroblasts were cultured and sealers extracts were obtained...
February 2023: Journal of Clinical and Experimental Dentistry
https://read.qxmd.com/read/36660749/evaluation-of-different-root-canal-obturation-techniques-in-internal-root-resorption-of-three-dimensional-printed-teeth-manufactured-using-computer-software
#9
JOURNAL ARTICLE
Senem Yiğit Özer, Hicran Dönmez Özkan, İlayda Oyucu
The objective of this study was to evaluate and compare the filling ability of various root canal obturation techniques on the internal root resorption (IRR) cavities of replicated tooth samples manufactured using computer software and a three-dimensional (3D) printer. Orthographic images and root structures of a healthy upper maxilla central incisor in determined volumes and sizes were drawn as a prototype with the aid of computer software. Using the same software, an IRR defect was also modeled. These two images were then transferred to the AutoDesk Fusion 360 3D modeling program (AutoDesk, San Rafael, CA) for meshing...
December 1, 2022: 3D Printing and Additive Manufacturing
https://read.qxmd.com/read/36470672/photo-responded-antibacterial-therapy-of-reinfection-in-percutaneous-implants-by-nanostructured-bio-heterojunction
#10
JOURNAL ARTICLE
Tiexin Ding, Lan Zhang, Jing Han, Jianhong Zhou, Yong Han
Percutaneous implants may experience infection for several times during their servicing periods. They need antibacterial activity and durability to reduce recurrent infection and cytocompatibility to reconstruct biosealing. A novel photoresponse bio-heterojunction (PCT) is developed herein. It consists of TiO2 nanotubes loaded with CuS nanoparticles and wrapped with polydopamine (PDA) layer. In PCT, a built-in electric field directing from TiO2 to CuS and then to PDA is formed, and with near-infrared (NIR) irradiation, it drives photoexcited electrons to transfer in opposite direction, resulting in the separation of electron-hole pairs and formation of reactive oxygen species (ROS)...
December 5, 2022: Small
https://read.qxmd.com/read/36354646/evaluation-of-the-sealing-ability-and-bond-strength-of-two-endodontic-root-canal-sealers-an-in-vitro-study
#11
JOURNAL ARTICLE
Manuel Marques Ferreira, José Pedro Martinho, Inês Duarte, Diogo Mendonça, Ana Catarina Craveiro, Maria Filomena Botelho, Eunice Carrilho, Carlos Miguel Marto, Ana Coelho, Anabela Paula, Siri Paulo, Nuno Chichorro, Ana Margarida Abrantes
BACKGROUND: Obturation represents a critical step in endodontic treatment, which relies on a core material and a sealer. This study aims to evaluate the sealing ability and bond strength to the root canal walls of an epoxy resin-based sealer (AH-Plus® , Dentsply Sirona, Johnson City, TN, USA) and a bioceramic sealer (GuttaFlow Bioseal® , Coltène/Whaledent, GmbH + Co. KG, Langenau, Germany). METHODS: Thirty-eight maxillary anterior teeth with single roots and identical round sections were separated into two experimental groups according to the root canal sealers used, namely, G1 = AH-Plus® and G2 = GuttaFlow Bioseal® , and two control groups, specifically, G3 = the negative control and G4 = the positive control...
October 26, 2022: Dentistry Journal
https://read.qxmd.com/read/36289666/a-micro-ct-analysis-of-initial-and-long-term-pores-volume-and-porosity-of-bioactive-endodontic-sealers
#12
JOURNAL ARTICLE
Mateusz Radwanski, Michal Leski, Adam K Puszkarz, Jerzy Sokolowski, Louis Hardan, Rim Bourgi, Salvatore Sauro, Monika Lukomska-Szymanska
The evaluation of the porosities within the interface of root canals obturated with endodontics materials is extremely important for the long-term success of endodontic treatments. The aim of this study was to compare initial and long-term volume of pores (total, open, closed) and porosity (total, regional) of three bioactive endodontic sealers: GuttaFlow Bioseal, Total Fill BC Sealer, and BioRoot RCS. Root canals were obturated with three "bioactive" sealers using the single-cone technique. The volume of open and closed pores and porosity were calculated using a micro-computed tomography (MCT) method...
September 26, 2022: Biomedicines
https://read.qxmd.com/read/36217640/influence-of-the-remnants-of-silicone-oil-on-penetration-of-three-different-sealers-into-the-dentinal-tubules-a-confocal-laser-scanning-microscopy-study
#13
JOURNAL ARTICLE
Mai Ragab, Marwa Sharaan
OBJECTIVE: The aim of this study was to assess penetration of AH Plus, MTA Fillapex and GuttaFlow Bioseal sealers into dentinal tubules after placement and removal of silicone oil using Confocal Laser Scanning Microscopy. METHODS: Sixty single-canaled premolars were instrumented using ProTaper Universal rotary system. Roots were divided into two main groups (n=30) where either Silicone oil was used or not. Subsequently, each main group was subdivided into 3 subgroups according to the investigated sealers...
October 2022: European Endodontic Journal
https://read.qxmd.com/read/36144487/the-influence-of-the-matrix-on-the-apatite-forming-ability-of-calcium-containing-polydimethylsiloxane-based-cements-for-endodontics
#14
JOURNAL ARTICLE
Paola Taddei, Michele Di Foggia, Fausto Zamparini, Carlo Prati, Maria Giovanna Gandolfi
This study aimed to characterize the chemical properties and bioactivity of an endodontic sealer (GuttaFlow Bioseal) based on polydimethylsiloxane (PDMS) and containing a calcium bioglass as a doping agent. Commercial PDMS-based cement free from calcium bioglass (GuttaFlow 2 and RoekoSeal) were characterized for comparison as well as GuttaFlow 2 doped with dicalcium phosphate dihydrate, hydroxyapatite, or a tricalcium silicate-based cement. IR and Raman analyses were performed on fresh materials as well as after aging tests in Hank's Balanced Salt Solution (28 d, 37 °C)...
September 6, 2022: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://read.qxmd.com/read/36110645/comparative-evaluation-of-apical-sealing-efficacy-of-guttaflow-bioseal-super-bond-rc-sealer-and-adseal-root-canal-sealer
#15
JOURNAL ARTICLE
Syed Mueen Ahmed, Kranti Sorte Gawali, Princy Paul, Prabu Mahin Syed Ismail, Arwa Abdullah Alkhelaiwi, Mohammed Abdullah Alkhelaiwi
Objectives: The objectives of this study is to evaluate apical sealing ability of GuttaFlow Bioseal, Super-Bond RC Sealer, and Adseal root canal sealer. Material and Methods: 36 extracted human single rooted permanent teeth, divided into three groups ( n = 12) and obturated by lateral condensation technique. Obturation and root canal sealing was done by either Group I: using GuttaFlow Bioseal, Group II: using Super-Bond RC Sealer and Group III: using Adseal sealer, system...
July 2022: Journal of Pharmacy & Bioallied Sciences
https://read.qxmd.com/read/35756762/physicochemical-properties-of-a-novel-bioceramic-silicone-based-root-canal-sealer
#16
JOURNAL ARTICLE
Wei-Jia Lyu, Wei Bai, Xiao-Yan Wang, Yu-Hong Liang
Background/purpose: With introduction into endodontics, bioceramic-based sealers have gained considerable popularity for excellent properties. The aim of this study was to investigate the physicochemical properties of a novel bioceramic silicone-based sealer, GuttaFlow Bioseal, and measure heat flow of setting reactions. Materials and methods: Film thickness, flow, working and setting time of Bioseal were compared with other 4 kinds of sealers: iRoot SP, AH Plus, RoekoSeal and GuttaFlow2...
April 2022: Journal of Dental Sciences
https://read.qxmd.com/read/35674164/preparation-and-filling-of-small-oval-root-canals-influence-of-file-system-and-sealer
#17
JOURNAL ARTICLE
Katharina Eichelsdörfer, Katharina Büttner, Ulrich Lohbauer, Anselm Petschelt, Zvi Metzger, Johannes Ebert
OBJECTIVE: To carry out a morphometric analysis of small oval root canals prepared with different instruments (part 1) and filled with different sealers (part 2). METHOD AND MATERIALS: Ninety extracted mandibular incisors with small oval root canals were instrumented with Self-Adjusting File (n = 45), XP-endo Finisher (n = 15), GentleFile (n = 15), or Reciproc (n = 15). All groups of part 1 were filled with AH Plus (n = 15 each). For part 2 (including group Self-Adjusting File/AH Plus) teeth instrumented with Self-Adjusting File were additionally filled with GuttaFlow Bioseal (n = 15) or Total Fill BC sealer (n = 15)...
June 8, 2022: Quintessence International
https://read.qxmd.com/read/35660956/a-comprehensive-in-vitro-comparison-of-the-biological-and-physicochemical-properties-of-bioactive-root-canal-sealers
#18
JOURNAL ARTICLE
Sabina Noreen Wuersching, Christian Diegritz, Reinhard Hickel, Karin Christine Huth, Maximilian Kollmuss
OBJECTIVES: To evaluate the biological and physicochemical features of bioactive root canal sealers. MATERIALS AND METHODS: Human periodontal ligament fibroblasts (hPDLF) and human osteoblasts (hOB) were exposed to eluates of three bioactive root canal sealers, GuttaFlow® bioseal (GF), BioRoot™ RCS (BR), and TotalFill® BC Sealer (TF), and the epoxy resin-based sealer AH plus® (AH). Cytotoxicity and cellular inflammatory response were evaluated. The osteogenic potential was examined using human mesenchymal stem cells (hMSC)...
June 3, 2022: Clinical Oral Investigations
https://read.qxmd.com/read/35399776/microscopic-evaluation-of-sealer-penetration-and-interfacial-adaptation-of-three-different-endodontic-sealers-an-in-vitro-study
#19
JOURNAL ARTICLE
Tushar Kanti Majumdar, Sayantan Mukherjee, Paromita Mazumdar
Background: The dentinal tubular penetration depth and interfacial adaptation of sealer are important factors for successful root canal treatment. Aims: This study aims to assess and evaluate the sealer penetration depth and interfacial adaptation of AH Plus, Apexit Plus, and GuttaFlow Bioseal sealer to root dentin. Materials and Methods: After decoronating sixty extracted single-rooted premolar teeth, preparation was done using ProTaper Gold rotary files until F3...
September 2021: Journal of Conservative Dentistry: JCD
https://read.qxmd.com/read/35383959/in-vitro-physicochemical-characterization-of-five-root-canal-sealers-and-their-influence-on-an-ex-vivo-oral-multi-species-biofilm-community
#20
JOURNAL ARTICLE
Flavia M Saavedra, Lauter E Pelepenko, William S Boyle, Anqi Zhang, Christopher Staley, Mark C Herzberg, Marina A Marciano, Bruno P Lima
AIM: To evaluate the physicochemical properties of five root canal sealers and assess their effect on an ex vivo dental plaque-derived polymicrobial community. METHODOLOGY: Dental plaque-derived microbial communities were exposed to the sealers (AH Plus [AHP], GuttaFlow Bioseal [GFB], Endoseal MTA [ESM], Bio-C sealer [BCS] and BioRoot RCS [BRR]) for 3, 6 and 18 h. The sealers' effect on the biofilm biomass and metabolic activity was quantified using crystal violet (CV) staining and MTT assay, respectively...
April 6, 2022: International Endodontic Journal
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