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Sealing ability of retrograde obturation materials containing calcium hydroxide or MTA. 2011

Mário Tanomaru-Filho, and Frederico B C Faleiros, and Guilherme F Silva, and Roberta Bosso, and Juliane M Guerreiro-Tanomaru
Department of Restorative Dentistry, Araraquara Dental School, São Paulo State University, UNESP, Araraquara, SP, Brazil. tanomaru@uol.com.br

Newly available materials for retrograde obturation should have their sealing properties evaluated. The goal of this study was to evaluate the sealing ability of Endo CPM sealer, an MTA-based endodontic cement. Single-rooted extracted human teeth were endodontically treated. After apical sectioning, retrograde cavities were prepared. Teeth were divided into five experimental groups (n=12), in which the following materials were used: Sealer 26 (S26), white Mineral Trioxide Aggregate (MTA), Endo CPM Sealer (CPM1), Endo CPM Sealer in thicker consistency (CPM 2), and zinc oxide and eugenol cement (ZOE), and two control groups (n=3). After retrograde obturation, the teeth were immersed in 0.2% rhodamine B dye for 48 hours in a vacuum chamber Marginal leakage data were subjected to ANOVA and Tukey tests at 5% significance level. S26 presented greater sealing ability (p<0.05) than ZOE, MTA, CPM1, and CPM2, all of which had similar results (p>0.05). We concluded that Sealer 26 has the greatest sealing ability. Endo CPM Sealer, with sealing ability similar to MTA, could be used as a retrograde obturation material.

UI MeSH Term Description Entries
D008422 Materials Testing The testing of materials and devices, especially those used for PROSTHESES AND IMPLANTS; SUTURES; TISSUE ADHESIVES; etc., for hardness, strength, durability, safety, efficacy, and biocompatibility. Biocompatibility Testing,Biocompatible Materials Testing,Hemocompatibility Testing,Testing, Biocompatible Materials,Testing, Hemocompatible Materials,Hemocompatibility Testings,Hemocompatible Materials Testing,Materials Testing, Biocompatible,Materials Testing, Hemocompatible,Testing, Biocompatibility,Testing, Hemocompatibility,Testing, Materials,Testings, Biocompatibility
D010087 Oxides Binary compounds of oxygen containing the anion O(2-). The anion combines with metals to form alkaline oxides and non-metals to form acidic oxides. Oxide
D001843 Bone Cements Adhesives used to fix prosthetic devices to bones and to cement bone to bone in difficult fractures. Synthetic resins are commonly used as cements. A mixture of monocalcium phosphate, monohydrate, alpha-tricalcium phosphate, and calcium carbonate with a sodium phosphate solution is also a useful bone paste. Bone Cement,Bone Glues,Bone Pastes,Bone Glue,Bone Paste,Cement, Bone,Cements, Bone,Glue, Bone,Glues, Bone,Paste, Bone,Pastes, Bone
D002126 Calcium Hydroxide A white powder prepared from lime that has many medical and industrial uses. It is in many dental formulations, especially for root canal filling. Hydroxide, Calcium
D004338 Drug Combinations Single preparations containing two or more active agents, for the purpose of their concurrent administration as a fixed dose mixture. Drug Combination,Combination, Drug,Combinations, Drug
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012184 Retrograde Obturation Procedure that involves the removal of infectious products from a root canal space through use of special instruments and fillings. This procedure is performed when root canal treatment fails. Obturation, Retrograde,Obturations, Retrograde,Retrograde Obturations
D012387 Root Canal Filling Materials Materials placed inside a root canal for the purpose of obturating or sealing it. The materials may be gutta-percha, silver cones, paste mixtures, or other substances. (Dorland, 28th ed, p631 & Boucher's Clinical Dental Terminology, 4th ed, p187) Root Canal Filling Material,Root Canal Sealants,Sealants, Root Canal,Canal Sealant, Root,Canal Sealants, Root,Root Canal Sealant,Sealant, Root Canal
D017607 Aluminum Compounds Inorganic compounds that contain aluminum as an integral part of the molecule. Compounds, Aluminum
D017610 Calcium Compounds Inorganic compounds that contain calcium as an integral part of the molecule. Compounds, Calcium

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