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Physicochemical properties of three bioceramic cements
Rabello, Camila Zimmermann; Kopper, Patrícia Maria Poli; Ferri, Lucenio João Macedo; Signor, Bruna; Hashizumi, Lina Naomi; Fontanella, Vania Regina Camargo; Grecca, Fabiana Soares; Scarparo, Roberta Kochenborger.
  • Rabello, Camila Zimmermann; Universidade Federal do Rio Grande do Sul. Porto Alegre. BR
  • Kopper, Patrícia Maria Poli; Universidade Federal do Rio Grande do Sul. Porto Alegre. BR
  • Ferri, Lucenio João Macedo; Universidade Federal do Rio Grande do Sul. Porto Alegre. BR
  • Signor, Bruna; Universidade Federal do Rio Grande do Sul. Porto Alegre. BR
  • Hashizumi, Lina Naomi; Universidade Federal do Rio Grande do Sul. Porto Alegre. BR
  • Fontanella, Vania Regina Camargo; Universidade Federal do Rio Grande do Sul. Porto Alegre. BR
  • Grecca, Fabiana Soares; Universidade Federal do Rio Grande do Sul. Porto Alegre. BR
  • Scarparo, Roberta Kochenborger; Universidade Federal do Rio Grande do Sul. Porto Alegre. BR
Braz. oral res. (Online) ; 36: e069, 2022. tab, graf
Article in English | LILACS-Express | LILACS, BBO | ID: biblio-1374746
ABSTRACT
Abstract This study aimed to compare the physicochemical properties of MTA Angelus (MTA-A), MTA Repair HP (MTA-HP), and Biodentine (BD). Setting times (n = 7) were determined in accordance with ASTM C266-15. Solubility (n = 11), pH (n = 10), and calcium ion release (n = 10) were evaluated up to 28 days in accordance with ANSI/ADA specification no. 57. Radiopacity was assessed by ANSI/ADA (n = 10) and the tissue simulator method (n = 10). In both methods, the specimens were radiographed using an aluminum stepwedge and the digital radiographs were analyzed in Adobe Photoshop, determining the mean grayscale pixel values of the materials, of the 3-mm aluminum stepwedge, and of the dentin, the latter of which was analyzed on the tissue simulator. The data obtained from each test were statistically analyzed and compared (p < 0.05). MTA-A presented longer final setting time compared with the other materials. There were no significant differences in the mass values of materials during the experiment. All materials presented an alkaline pH. BD promoted greater calcium ion release in most of the experimental periods. All materials presented appropriate radiopacity. BD showed lower radiopacity than MTA-A in the tissue simulator method. All groups presented higher radiopacity in the tissue simulator when compared with the ANSI/ADA method. MTA-A, MTA-HP, and BD showed appropriate physicochemical properties and radiopacity, and were considered suitable to be used in clinical practice.


Full text: Available Index: LILACS (Americas) Language: English Journal: Braz. oral res. (Online) Journal subject: Dentistry Year: 2022 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal do Rio Grande do Sul/BR

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Full text: Available Index: LILACS (Americas) Language: English Journal: Braz. oral res. (Online) Journal subject: Dentistry Year: 2022 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal do Rio Grande do Sul/BR