Search Results - "Òrstavik, D."

Prediction of periapical status and tooth extraction by Kirkevang, L. –L., Ørstavik, D., Bahrami, G., Wenzel, A., Væth, M.

“…Aim To describe and analyse risk factors associated with prediction of periapical status, assessed using the full‐scale Periapical Index (PAI) supplemented…”
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Contrast‐enhanced nano‐CT reveals soft dental tissues and cellular layers by Hildebrand, T., Nogueira, L., Sunde, P. T., Ørstavik, D., Glasmacher, B., Haugen, H. J.

“…Aim To introduce a methodology designed to simultaneously visualize dental ultrastructures, including cellular and soft tissue components, by utilizing…”
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Prognostic value of the full-scale Periapical Index by Kirkevang, L.-L., Ørstavik, D., Wenzel, A., Væth, M.

“…Aim To evaluate whether the full‐scale Periapical Index (PAI) can predict the periapical status over time in nonroot filled and root filled teeth. Methodology…”
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Cytotoxicity of new resin-, calcium hydroxide- and silicone-based root canal sealers on fibroblasts derived from human gingiva and L929 cell lines by Eldeniz, A. U., Mustafa, K., Ørstavik, D., Dahl, J. E.

“…Aim  To assess ex vivo the cytotoxic effects of five new root canal sealers (RC Sealer, Epiphany, EndoREZ, GuttaFlow and Acroseal) and three existing products…”
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Toxicity evaluation of root canal sealers in vitro by Lodienė, G., Morisbak, E., Bruzell, E., Ørstavik, D.

“…Aim  To compare the toxicity of methacrylate resin‐based root canal sealers with sealers based on epoxy resin and silicone by two‐well established cell culture…”
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Time-course and risk analyses of the development and healing of chronic apical periodontitis in man by Orstavik, D

“…Roots with and without preoperative chronic apical periodontitis were root canal treated and followed clinically and radiographically yearly for up to 4 years…”
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Short-term antibacterial activity of root canal sealers towards Enterococcus faecalis by Kayaoglu, G., Erten, H., Alaçam, T., Ørstavik, D.

“…Aim  To investigate the antimicrobial activity of root canal sealers on Enterococcus faecalis, either allowing or avoiding direct contact between sealers and…”
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Research that matters - clinical studies by Duncan, H. F., Kirkevang, L. -L., Ørstavik, D., Sequeira-Byron, P.

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Inactivation of local root canal medicaments by dentine: an in vitro study by Haapasalo, H. K., Sirén, E. K., Waltimo, T. M. T., Òrstavik, D., Haapasalo, M. P. P.

“…Aims  The aim of the study was to investigate the inactivation by dentine of the antibacterial activity of various commonly used local root canal medicaments…”
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A laboratory assessment of coronal bacterial leakage in root canals filled with new and conventional sealers by Eldeniz, A. U., Ørstavik, D.

“…Aim  To evaluate the resistance to ex vivo bacterial leakage over a 40‐day period of root canal fillings with five new root canal sealers: RC Sealer, Epiphany,…”
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Bacterial penetration along different root canal filling materials in the presence or absence of smear layer by Saleh, I. M., Ruyter, I. E., Haapasalo, M., Ørstavik, D.

“…Aim  To study the effect of the smear layer on the penetration of bacteria along different root canal filling materials and to examine the dentine/sealer and…”
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Inactivation of root canal medicaments by dentine, hydroxylapatite and bovine serum albumin by Portenier, I., Haapasalo, H., Rye, A., Waltimo, T., Ørstavik, D., Haapasalo, M.

“…Aim This study examined and compared the inhibition of the antibacterial effect of saturated calcium hydroxide solution, chlorhexidine acetate and iodine…”
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Periapical status and quality of root fillings and coronal restorations in a Danish population by Kirkevang, L.-L., Ørstavik, D., Hörsted-Bindslev, P., Wenzel, A.

“…Aim The aim of this study was to investigate the quality of endodontic and coronal restorations and the association with periapical status in a Danish…”
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Survival of Enterococcus faecalis in infected dentinal tubules after root canal filling with different root canal sealers in vitro by Saleh, I. M., Ruyter, I. E., Haapasalo, M., Ørstavik, D.

“…Aim  To investigate the ability of different endodontic sealers and calcium hydroxide to kill bacteria in experimentally infected dentinal tubules. Methodology…”
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The effects of dentine pretreatment on the adhesion of root-canal sealers by Saleh, I. M., Ruyter, I. E., Haapasalo, M., Ørstavik, D.

“…The adhesion of five root-canal sealers to dentine and gutta-percha was studied. The effects of various dentine pretreatments on adhesion were also…”
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Frequency and distribution of endodontically treated teeth and apical periodontitis in an urban Danish population by Kirkevang, L-L., Hörsted-Bindslev, P., Ørstavik, D., Wenzel, A.

“…Aim The aim of this study was to investigate the prevalence of endodontically treated teeth and apical periodontitis (AP) in a Danish population. Methodology…”
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The susceptibility of starved, stationary phase, and growing cells of Enterococcus faecalis to endodontic medicaments by Portenier, Isabelle, Waltimo, Tuomas, Ørstavik, Dag, Haapasalo, Markus

“…The purpose of this investigation was to compare the susceptibility of cells of Enterococcus faecalis during exponential growth, stationary phase and…”
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The effectiveness of increased apical enlargement in reducing intracanal bacteria by Card, Steven J, Sigurdsson, Asgeir, Orstavik, Dag, Trope, Martin

“…It has been suggested that the apical portion of a root canal is not adequately disinfected by typical instrumentation regimens. The purpose of this study was…”
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Sealing ability of mineral trioxide aggregate, glass ionomer cement and composite resin when repairing large furcal perforations by Lodiene, G, Kleivmyr, M, Bruzell, E, Ørstavik, D

“…Key Points Comparison of the sealing properties of three commonly used materials for repair of large perforations. Bacteria could penetrate into dentine even…”
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Reduction of intracanal bacteria using nickel-titanium rotary instrumentation and various medications by Shuping, G B, Orstavik, D, Sigurdsson, A, Trope, M

“…The purpose of this study was to evaluate the extent of bacterial reduction with nickel-titanium rotary instrumentation and 1.25% NaOCl irrigation. Also, the…”
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