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https://www.readbyqxmd.com/read/29244885/effect-of-fiber-post-cementation-timing-on-the-bond-strength-of-resin-cements-in-epoxy-resin-obturated-canals
#1
Luiza Salles Alves Berti, Leandro Augusto Pinto Pereira, Vanessa Galego Arias Pecorari, Flávia Lucisano Botelho Amaral, Cecília Pedroso Turssi, Roberta Tarkany Basting, Fabiana Mantovani Gomes França
This study evaluated the influence of timing after endodontic treatment and type of resin cement used on the bond strength of fiber posts to epoxy resin-obturated canals. A total of 80 bovine incisor roots were divided into four groups (n = 20). Glass fiber posts were cemented at two different times, immediately or 7 days after endodontic treatment, using either a dual-curing resin cement (RelyX ARC, 3M ESPE) or a self-adhesive resin cement (RelyX U200, 3M ESPE). Following post cementation, the samples were cross-sectioned into slices containing root dentin, cement, and fiber post at the cervical, mid, and apical root thirds...
December 15, 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29243699/dentin-like-versus-rigid-endodontic-post-11-year-randomized-controlled-pilot-trial-on-no-wall-to-2-wall-cavity-defects
#2
(no author information available yet)
Study shows little difference in tooth survival rates after 5 years.
December 15, 2017: British Dental Journal
https://www.readbyqxmd.com/read/29243185/effect-of-fiber-post-length-and-abutment-height-on-fracture-resistance-of-endodontically-treated-premolars-prepared-for-zirconia-crowns
#3
Jie Lin, Jukka Pekka Matinlinna, Akikazu Shinya, Michael George Botelho, Zhiqiang Zheng
The purpose of this study was to compare the fracture resistance, mode of fracture, and stress distribution of endodontically treated teeth prepared with three different fiber post lengths and two different abutment heights, using both experimental and finite element (FE) approaches. Forty-eight human maxillary premolars with two roots were selected and endodontically treated. The teeth were randomly distributed into six equally sized groups (n = 8) with different combinations of post lengths (7.5, 11, and 15 mm) and abutment heights (3 and 5 mm)...
December 14, 2017: Odontology
https://www.readbyqxmd.com/read/29242419/reduced-interleukin-6-immunoexpression-and-birefringent-collagen-formation-indicate-that-mta-plus-and-mta-fillapex-are-biocompatible
#4
Juliana Alcarás Saraiva, Tiago Silva da Fonseca, Guilherme Ferreira Silva, Estela Sasso-Cerri, Juliane Maria Guerreiro-Tanomaru, Mario Tanomaru-Filho, Paulo Sérgio Cerri
Considering that endodontic sealers release some components which may promote delay in the repair process, our purpose was to evaluate the tissue reaction promoted by MTA Plus and MTA Fillapex in comparison with AH Plus (standard control) and Endofill, which has a long clinical track record. One hundred rats were distributed into five groups: MTA Plus (Avalon Biom Inc., Bradenton, FL, USA), MTA Fillapex (Angelus, Londrina, PR, Brazil), AH Plus (Dentsply DeTrey GmbH, Konstanz, Germany), Endofill (Dentsply, Petrópolis, RJ, Brazil) and CG (control group, empty polyethylene tubes)...
December 15, 2017: Biomedical Materials
https://www.readbyqxmd.com/read/29241944/fracture-resistance-and-failure-modes-of-polymer-infiltrated-ceramic-endocrown-restorations-with-variations-in-margin-design-and-occlusal-thickness
#5
Doaa Taha, Sebastian Spintzyk, Christine Schille, Ahmed Sabet, Marwa Wahsh, Tarek Salah, Jürgen Geis-Gerstorfer
PURPOSE: The purpose of this in vitro study was to assess the effect of varying the margin designs and the occlusal thicknesses on the fracture resistance and mode of failures of endodontically treated teeth restored with polymer infiltrated ceramic endocrown restorations. METHODS: Root canal treated mandibular molars were divided into four groups (n=8) and were prepared to receive Computer-Aided Design/Computer-Aided Manufacturing (CAD/CAM) fabricated polymer infiltrated ceramic endocrowns (ENAMIC blocks)...
December 11, 2017: Journal of Prosthodontic Research
https://www.readbyqxmd.com/read/29240213/minimally-invasive-treatment-of-an-ankylosed-severely-discolored-and-intruded-central-incisor-with-a-masking-ceramic-veneer-a-clinical-report
#6
Anja Liebermann, Daniel Edelhoff, Otto Prandtner, Reza Saeidi Pour
Dental therapy of traumatically ankylosed maxillary anterior teeth with an additional slight root resorption represents a great challenge for the restorative team and requires intensive planning and communication between patient, dentist, orthodontist, periodontist, and dental technician. The inhibition of vertical growth often makes dental intervention indispensable. Porcelain laminate veneers have been successfully used for more than two decades, mainly on anterior teeth, and was the minimally invasive treatment option for the present case report...
January 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29240208/effect-of-different-intraradicular-posts-on-the-color-of-the-buccal-gingiva-at-teeth-restored-with-zirconia-crowns
#7
Karin Wolleb Torrisi, Goran I Benic, Irena Sailer, Christoph Hf Hämmerle
The purpose of this study was to test whether prosthetic treatment with different intraradicular posts influences the color of the buccal gingiva at teeth restored with zirconia crowns. A total of 31 patients in need of a full-coverage single crown at an endodontically treated premolar, canine, or incisor in the maxilla or the mandible were included. The patients were randomly assigned to receive composite build-ups using titanium (Ti), zirconia (Zi), or glass-fiber (Gf) posts or a build-up using no post at all (NP)...
January 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29238376/the-effect-of-different-root-canal-sealers-on-the-fracture-resistance-of-endodontically-treated-teeth-in-vitro-study
#8
Anuve Hrishi Phukan, Shivani Mathur, Meera Sandhu, Vinod Sachdev
Background: The aim of this study was to compare the in vitro effects of four different root canal sealers on the fracture resistance of endodontically treated teeth. Materials and Methods: Seventy-five freshly extracted human mandibular premolars were used for the study. Teeth were divided into five groups based on type of root canal sealers used. Gutta-percha was used for all the samples: Group I: AH Plus root canal sealer, Group II: MTA Fillapex root canal sealer, Group III: Apexit root canal sealer, Group IV: Conventional zinc oxide-eugenol (ZOE) sealer, Group V: Control (unobturated teeth)...
November 2017: Dental Research Journal
https://www.readbyqxmd.com/read/29235310/new-trends-in-endodontics-and-treatment-planning
#9
John West
No abstract text is available yet for this article.
April 2017: Dentistry Today
https://www.readbyqxmd.com/read/29233146/apical-periodontitis-in-southern-estonian-population-prevalence-and-associations-with-quality-of-root-canal-fillings-and-coronal-restorations
#10
Veiko Vengerfeldt, Reet Mändar, Minh Son Nguyen, Silvia Saukas, Mare Saag
BACKGROUND: Apical periodontitis (AP) is an inflammatory disease around the apex of a tooth root. Reported prevalence of AP ranges from 27% to 83% while the data about most post-Soviet countries are still missing. Knowing the prevalence of AP within a certain population helps to plan the treatment need and evaluate the success of endodontic interventions. We aimed to collect data about prevalence and determining factors of AP for the first time in Estonia. METHODS: The cross-sectional study included 6552 patients (age 35...
December 12, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/29231683/managing-endodontic-emergencies
#11
Manor Haas
No abstract text is available yet for this article.
May 2017: Dentistry Today
https://www.readbyqxmd.com/read/29231674/endodontic-disinfection-the-sonic-advantage
#12
Clifford J Ruddle
No abstract text is available yet for this article.
June 2017: Dentistry Today
https://www.readbyqxmd.com/read/29229459/regenerative-endodontic-procedures-among-endodontists-a-web-based-survey
#13
Jonathan Y Lee, Daniel D Kersten, Pete Mines, Thomas A Beltran
INTRODUCTION: The protocols that endodontists implement for regenerative endodontic procedures (REPs) are unknown. The aim of this study was to examine current REP protocols among practicing endodontists in the United States. METHODS: A Web-based survey was sent to 4060 active members of the American Association of Endodontists (AAE). A total of 850 participants completed the survey, representing a 20.9% response rate. RESULTS: Responses indicated 60% reported having performed REPs; most performed 1 to 3 per year...
December 8, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29229458/the-effects-of-irrigants-on-the-survival-of-human-stem-cells-of-the-apical-papilla-including-endocyn
#14
Mark B Scott, Gregory S Zilinski, Timothy C Kirkpatrick, Van T Himel, Kent A Sabey, Thomas E Lallier
INTRODUCTION: Endocyn, a pH-neutral solution of hypochlorous acid and hypochlorite has been developed for use as an endodontic irrigant. The purpose of this study was to evaluate the effect of Endocyn on human periodontal ligament (PDL) fibroblasts, rat osteosarcoma cells (UMR-106), and stem cells of the apical papilla (SCAP) compared with other commonly used endodontic irrigants. METHODS: To determine cytotoxicity, cells were exposed to various concentrations of Endocyn, 6% sodium hypochlorite (NaOCl), 17% EDTA, and 2% chlorhexidine for 10 minutes, 1 hour, or 24 hours...
December 8, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29229457/-ferrule-comes-first-post-is-second-fake-news-and-alternative-facts-a-systematic-review
#15
REVIEW
Michael Naumann, Marc Schmitter, Roland Frankenberger, Gabriel Krastl
INTRODUCTION: Both the role of an endodontic post and the ferrule effect have been discussed for decades. The clinical impact of endodontic posts compared with post-free restoration with or without ferrule support was not systematically reviewed so far. It was assumed that the effect of an endodontic post compared with a post-free restoration can be evaluated only when at the same time a ferrule or no-ferrule situation was clinically compared. METHODS: The specific PICO question was as follows: Patient: adults with sufficient endodontic treatment needing a core or post; Intervention: post-endodontic treatment using posts with or without ferrule; Comparison: post-endodontic treatment without posts with or without ferrule; Outcomes: failure rates of post/core complexes with or without ferrule support...
December 8, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29229456/survival-rates-of-teeth-with-primary-endodontic-treatment-after-core-post-and-crown-placement
#16
Kandace Yee, Pradeep Bhagavatula, Sheila Stover, Frederick Eichmiller, Lance Hashimoto, Scott MacDonald, Gordon Barkley
INTRODUCTION: The objective of this study was to determine the effect of delayed placement of the core/post and crown on the outcomes of nonsurgical root canal therapy (NSRCT). METHODS: According to the Delta Dental of Wisconsin claims database, 160,040 NSRCTs were completed with a core/post and a crown placed before the end of the continuous coverage period or occurrence of an untoward event. Untoward events were defined as a retreatment, apicoectomy, or extraction as defined by the Code on Dental Procedures and Nomenclature...
December 8, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29229455/evaluation-of-3-different-retreatment-techniques-in-maxillary-molar-teeth-by-using-micro-computed-tomography
#17
Funda Yılmaz, Cemre Koç, Kıvanç Kamburoğlu, Mert Ocak, Ferhat Geneci, M Bora Uzuner, Hakan Hamdi Çelik
INTRODUCTION: Nonsurgical retreatment procedure involves the complete removal of the previous filling material to allow thorough instrumentation, disinfection, and refilling of root canal system. We aimed to determine the residuals of the root-filling material by using 3 different retreatment techniques with the aid of micro-computed tomography. METHODS: Thirty extracted human maxillary molar teeth were included. All root canals were also obturated with F2 ProTaper single cones and AH Plus sealer...
December 8, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29226512/diagnosis-of-vertical-root-fractures-in-endodontically-treated-teeth-utilising-digital-subtraction-radiography-a-case-series-report
#18
Georgios Mikrogeorgis, Eleni Eirinaki, Vasileios Kapralos, Andreas Koutroulis, Kleoniki Lyroudia, Ioannis Pitas
Vertical root fractures are commonly associated with root-filled teeth. Diagnosis is challenging because the clinical signs are not completely pathognomonic, and conventional periapical radiography is often unreliable. Digital subtraction radiography (DSR) is able to detect small radiographic changes between two successive radiographs by subtracting out consistent radiographic elements. Its use could possibly assist in the diagnostic procedure. Four cases are presented to demonstrate the potential use of DSR in the detection of vertical root fractures in endodontically treated teeth...
December 11, 2017: Australian Endodontic Journal: the Journal of the Australian Society of Endodontology Inc
https://www.readbyqxmd.com/read/29226342/calcium-chloride-enriched-calcium-aluminate-cement-promotes-in-vitro-osteogenesis
#19
L M S Castro-Raucci, L N Teixeira, A F S Barbosa, R R Fernandes, W Raucci-Neto, M Jacobovitz, I R Oliveira, P T de Oliveira
AIM: To evaluate the effects of 2.8% or 10% calcium chloride (CaCl2 ) in calcium aluminate cement (CAC) with either bismuth oxide (Bi2 O3 ) or zinc oxide (ZnO) as radiopacifiers on the progression of osteogenic cell cultures. METHODOLOGY: Rat calvaria-derived cells were grown on Thermanox® coverslips for 24 h and exposed to samples of 1) CACb: with 2.8% CaCl2 and 25% Bi2 O3 ; 2) CACb+: with 10% CaCl2 and 25% Bi2 O3 ; 3) CACz: with 2.8% CaCl2 and 25% ZnO; or 4) CACz+: with 10% CaCl2 and 25% ZnO, placed on inserts...
December 11, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/29225655/non-surgical-endodontic-management-of-type-ii-dens-invaginatus-with-closed-and-open-apex
#20
Hugo Plascencia, Mariana Díaz, Bertram Ivan Moldauer, Mario Uribe, Eddy Skidmore
Dens invaginatus (DI) is a developmental anomaly that poses a significant challenge to the clinician if endodontic treatment is required. The type II (as per Oehlers) form exhibits complex internal anatomy and is frequently associated with incomplete root and apex formation. The purpose of this study is to present two cases of type II DI in the maxillary lateral incisors. In the first case, non-surgical endodontic therapy was performed utilizing calcium hydroxide as an intracanal dressing, showing significant periapical healing of the apical radiolucent area at the six month follow-up...
2017: Iranian Endodontic Journal
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