An in vitro comparison of the force decay generated by different commercially available elastomeric chains and NiTi closed coil springs [0.03%]
不同市售弹性链和镍钛螺旋弹簧的体外力值衰减比较研究
Ana Cristina Soares Santos,André Tortamano,Sandra Regina Frazatto Naccarato et al.
Ana Cristina Soares Santos et al.
This in vitro study was designed to compare the forces generated by commercially available elastomeric chains and NiTi closed coil springs, and to determine their force decay pattern. Forty elastomeric chains and forty NiTi closed coil spri...
Comparative Study
Brazilian oral research. 2007 Jan-Mar;21(1):51-7. DOI:10.1590/s1806-83242007000100009 2007
Prevalence of oral hemangioma, vascular malformation and varix in a Brazilian population [0.03%]
巴西人口中口腔血管瘤、血管畸形和曲张的流行率
Priscila Henriques Corrêa,Lara Cristina Caldeira Nunes,Aline Cristina Batista Rodrigues Johann et al.
Priscila Henriques Corrêa et al.
Hemangioma, vascular malformation and varix are benign vascular lesions, common in the head and neck regions. Studies about the prevalence of these lesions in the oral cavity are scarce. The aim of this study was to estimate the prevalence ...
In vitro antimicrobial activity of different gutta-percha points and calcium hydroxide pastes [0.03%]
不同根充糊剂及牙胶尖的体外抗菌活性研究
Juliane Maria Guerreiro Tanomaru,Fernanda Geraldes Pappen,Mário Tanomaru Filho et al.
Juliane Maria Guerreiro Tanomaru et al.
The aim of this study was to evaluate the antimicrobial activity of different trademarks and compositions of gutta-percha points and calcium hydroxide pastes used in endodontic therapy. The evaluated material consisted of gutta-percha point...
Cláudio Maniglia-Ferreira,Eduardo Diogo Gurgel-Filho,João Batista Araújo Silva Jr et al.
Cláudio Maniglia-Ferreira et al.
This study was undertaken to explore the effect of heating on gutta-percha, analyzing the occurrence of endothermic peaks corresponding to the transformation that occurs in the crystalline structure of the polymer during thermal manipulatio...
Location and angulation of curvatures of mesiobucal canals of mandibular molars debrided by three endodontic techniques [0.03%]
三种根管治疗技术去除下颌磨牙近中颊根曲度的方法及角度研究
Isa Geralda Teixeira Constante,Harry Davidowicz,Fernando Branco Barletta et al.
Isa Geralda Teixeira Constante et al.
The aim of this study was to assess the correlation between the degree of angulation and the position of root curvatures and their influence on the comparative results between the performances of the Progressive, Staged and Serial Preparati...
Flexural strength and modulus of elasticity of different types of resin-based composites [0.03%]
不同类型的树脂复合材料的弯曲强度和弹性模量
Sinval Adalberto Rodrigues Junior,Cesar Henrique Zanchi,Rodrigo Varella de Carvalho et al.
Sinval Adalberto Rodrigues Junior et al.
The aim of the study was to test whether the filler composition of resin composites influences their flexural strength and modulus of elasticity. Flexural strength and modulus of elasticity were obtained through a three-point bending test. ...
Effect of surface treatments on the bond strength of a zirconia-reinforced ceramic to composite resin [0.03%]
表面处理对氧化锆强化陶瓷与复合树脂粘接强度的影响
Alvaro Della Bona,Márcia Borba,Paula Benetti et al.
Alvaro Della Bona et al.
The objective of this study was to evaluate the tensile (sigma(t)) and shear bond strength (sigma(s)) of a glass-infiltrated alumina-based zirconia-reinforced ceramic (IZ--Vita In-Ceram Zirconia) to a composite resin, testing the hypothesis...
Thaís Cachuté Paradella,Marcelo Fava
Thaís Cachuté Paradella
The purpose of this study was to evaluate in vitro three adhesive systems: a total etching single-component system (G1 Prime & Bond 2.1), a self-etching primer (G2 Clearfil SE Bond), and a self-etching adhesive (G3 One Up Bond F), through s...
Randomized Controlled Trial
Brazilian oral research. 2007 Jan-Mar;21(1):4-9. DOI:10.1590/s1806-83242007000100001 2007
Evaluation of the methodologies used in clinical trials and effectiveness of chemo-mechanical caries removal with Carisolv [0.03%]
评价Carisolv化学机械龋齿去除法临床试验的方法及疗效评估
Marcela Marquezan,Italo Medeiros Faraco Junior,Carlos Alberto Feldens et al.
Marcela Marquezan et al.
This investigation aims to discuss the methodologies applied in clinical trials published about Carisolv, in order to assess the best scientific evidence concerning chemo-mechanical caries removal. Papers concerning the use of Carisolv were...
Association between clinical parameters and the presence of active caries lesions in first permanent molars [0.03%]
第一恒磨牙活性龋齿与临床参数的相关性研究
Juliana Maria Quaglio,Marcela Bernardes Sousa,Thiago Machado Ardenghi et al.
Juliana Maria Quaglio et al.
The aim of the present study was to evaluate the association between clinical parameters and the presence of active caries lesions on the occlusal surface of first permanent molars. Forty eight children (5.8-13.8 years-old) with at least on...