Search Results - "Lopes, R. T."

Micro‐CT assessment of dentinal micro‐cracks after root canal filling procedures by De‐Deus, G., Belladonna, F. G., Silva, E. J. N. L., Souza, E. M., Carvalhal, J. C. A., Perez, R., Lopes, R. T., Versiani, M. A.

“…Aim To evaluate the frequency of dentinal micro‐cracks after root canal filling procedures with GuttaCore (GC), cold lateral compaction (CLC) and warm vertical…”
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Removal of Zn and Cd from Overlying Water by Mangrove Sediments: Testing the Effects of Sediment Resuspension/Redeposition Events by Suzuki, K. N., Castro, R. J. M., Sondermann, M. N., Machado, E. C., Bellido, A. B., Lopes, R. T., Machado, W.

“…Coastal sediment redeposition after resuspension events may change the sediment capacity to sequester pollutants after the formation of new sediment-water…”
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Marginal and Internal Adaptation of Cervical Restorations Using Direct, Direct–indirect, and Indirect Techniques by Ambrosio, MBG, Fahl, N, Silva, ASS, Lopes, RT, Rached, RN, Souza, EM

“…SUMMARY Objective This study aimed to evaluate the external and internal adaptations of cervical restorations using different restorative techniques. Methods…”
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Crack detection in asphaltic mixtures by computed tomography by Braz, D., Barroso, R.C., Lopes, R.T., Motta, L.M.G

“…Computed tomography (CT) technology is very versatile and is not restricted by the size, shape or composition of an object as long as adequate X- or γ-ray…”
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Does ultraconservative access affect the efficacy of root canal treatment and the fracture resistance of two‐rooted maxillary premolars? by Silva, A. A., Belladonna, F. G., Rover, G., Lopes, R. T., Moreira, E. J. L., De‐Deus, G., Silva, E. J. N. L.

“…Aim To evaluate the influence of ultraconservative endodontic cavities (UEC) on canal shaping and filling ability, cleaning of the pulp chamber, time required…”
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Micro‐CT assessment of the shaping ability of four root canal instrumentation systems in oval‐shaped canals by Zuolo, M. L., Zaia, A. A., Belladonna, F. G., Silva, E. J. N. L., Souza, E. M., Versiani, M. A., Lopes, R. T., De‐Deus, G.

“…Aim To compare the shaping ability of four root canal instrumentation systems in oval‐shaped canals using micro‐computed tomographic analysis. Methodology…”
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Radiotracer estimates of benthic activity effects on trace metal diffusion into mangrove sediments by Suzuki, K.N., Machado, E.C., Machado, W., Bellido, L.F., Bellido, A.V.B., Lopes, R.T.

“…Potential influences of the whole benthic organisms' activity (i.e., coupled faunal and microbial effects) on 58Co, 51Cr and 65Zn diffusion into surface…”
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Root dentinal microcracks: a post‐extraction experimental phenomenon? by De‐Deus, G., Cavalcante, D. M., Belladonna, F. G., Carvalhal, J., Souza, E. M., Lopes, R. T., Versiani, M. A., Silva, E. J. N. L., Dummer, P. M. H.

“…Aim To investigate the prevalence, location and pattern of pre‐existing microcracks in non‐endodontically treated teeth from fresh cadavers. Micro‐computed…”
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The impact of minimally invasive root canal preparation strategies on the ability to shape root canals of mandibular molars by Lima, C. O., Barbosa, A. F. A., Ferreira, C. M., Augusto, C. M., Sassone, L. M., Lopes, R. T., Fidel, S. R., Silva, E. J. N. L.

“…Aim To evaluate the use of a reduced taper endodontic instrument system (Bassi Logic™ .03 taper) and expandable heat‐treated system (XP‐endo Shaper) on the…”
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Influence of ultraconservative access cavities on instrumentation efficacy with XP‐endo Shaper and Reciproc, filling ability and load capacity of mandibular molars subjected to thermomechanical cycling by Lima, C. O., Barbosa, A. F. A., Ferreira, C. M., Ferretti, M. A., Aguiar, F. H. B., Lopes, R. T., Fidel, S. R., Silva, E. J. N. L.

“…Aim To evaluate the influence of ultraconservative access cavities (UltraAC) on canal shaping and filling ability and load capacity of mandibular molars after…”
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Portable equipment for a non-destructive analysis of pre-Columbian metal artefacts from the Royal Tombs of Sipán by energy-dispersive X-ray fluorescence spectrometry by Cesareo, R., Bustamante, A., Fabian, J., Calza, C., Dos Anjos, M., Lopes, R. T., Alva, W., Chero, L., Espinoza, M., Gutierrez, R., Rodriguez, R., Seclen, M.

“…On the north coast of present‐day Peru flourished approximately between 50 and 700 AD the Moche civilisation. They were sophisticated metalworkers and are…”
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Anatomical danger zone reconsidered: a micro‐CT study on dentine thickness in mandibular molars by De‐Deus, G., Rodrigues, E. A., Belladonna, F. G., Simões‐Carvalho, M., Cavalcante, D. M., Oliveira, D. S., Souza, E. M., Giorgi, K. A., Versiani, M. A., Lopes, R. T., Silva, E. J. N. L., Paciornik, S.

“…Aim To investigate the smallest dentine thickness in mesial canals of mandibular molars along the cervical and middle thirds of the root by means of a…”
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XP‐endo Finisher R instrument optimizes the removal of root filling remnants in oval‐shaped canals by De‐Deus, G., Belladonna, F. G., Zuolo, A. S., Cavalcante, D. M., Carvalhal, J. C. A., Simões‐Carvalho, M., Souza, E. M., Lopes, R. T., Silva, E. J. N. L.

“…Aim To evaluate the performance of XP‐endo Finisher R instruments when removing root filling remnants from oval‐shaped canals using microcomputed tomographic…”
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Determination of low Z in human serum of patients with Idiopathic Thrombocytopenic Purpura by total reflection X-ray fluorescence by Canellas, C. G. L., Carvalho, S. M. F., Bellido, A. V. B., Leitão, R. G., Anjos, M. J., Lopes, R. T.

“…Idiopathic Thrombocytopenic Purpura (ITP) is a blood disorder characterized by an abnormal decrease in the number of platelets in the blood. In this work, 40…”
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Preserving dentine in minimally invasive access cavities does not strength fracture resistance of restored mandibular molars by Silva, E. J. N. L., Lima, C. O., Barbosa, A. F. A., Augusto, C. M., Souza, E. M., Lopes, R. T., De‐Deus, G., Versiani, M. A.

“…Aim To evaluate the correlation between the volume of dental hard tissues removed and the fracture resistance of mandibular molar teeth with ultraconservative…”
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Epidemiological analysis over two years of SARS-CoV-2 circulation in southern Brazil: old and novel predictors of COVID-19 outcome by Lopes, T.R.R., Silva Júnior, J.V.J., Carmo, R.F., Weiblen, R., Flores, E.F.

“…The overwhelming majority of SARS-CoV-2 epidemiological studies cover a narrow time period, making general knowledge about the COVID-19 pandemic difficult. To…”
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Bone-nanohydroxyapatite spheres interface evaluation by synchrotron radiation X-ray microfluorescence by Gasperini, F. M., Calasans-Maia, M. D., Resende, R. F. B., Granjeiro, J. M., Rossi, A. M., Lopes, R. T., Lima, I.

“…Hydroxyapatite (HA) is largely used as bone graft; it seems to be the most promising synthetic implant material, mainly because of its excellent…”
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Effective density and mass attenuation coefficient for building material in Brazil by Salinas, I.C.P., Conti, C.C., Lopes, R.T.

“…This paper presents values for density and mass attenuation coefficient of building materials commonly used in Brazil. Transmission measurements were performed…”
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Highlighting Concealed Features in Welding X-ray Radiography by Souza, E. S., Silvani, M. I., Almeida, G. L., Lopes, R. T.

“…Transmission radiographs acquired with conical beams have their attenuation maps deformed due to the variable thickness travelled by the radiation in the…”
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Exploiting the potential of free software to evaluate root canal biomechanical preparation outcomes through micro-CT images by Neves, A. A., Silva, E. J., Roter, J. M., Belladona, F. G., Alves, H. D., Lopes, R. T., Paciornik, S., De-Deus, G. A.

“…Aim To propose an automated image processing routine based on free software to quantify root canal preparation outcomes in pairs of sound and instrumented…”
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