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https://www.readbyqxmd.com/read/29792021/evaluation-of-tooth-discolouration-after-the-use-of-experimental-medication-as-root-canal-dressings-an-in-vitro-study
#1
Lorena O Mendes, Nathália E Machado, Paulo R Goldoni, Graziela G Mori
BACKGROUND: Endodontic infections require the use of root canal dressings to reduce microorganisms, and studies of new intracanal medications are common. Two experimental intracanal medications that contain antibiotics and chlorhexidine have been proposed. However, given the composition of these medications, tooth discolouration with subsequent impacts on aesthetic parameters is a concern. The objective of this study is to evaluate tooth discolouration after the use of experimental intracanal medications for up to 180 days...
May 23, 2018: Minerva Stomatologica
https://www.readbyqxmd.com/read/29791567/immunohistological-study-of-the-effect-of-vascular-endothelial-growth-factor-on-the-angiogenesis-of-mature-root-canals-in-rat-molars
#2
Cleber Keiti Nabeshima, José Edgar Valdivia, Hector Caballero-Flores, Victor Elias Arana-Chavez, Manoel Eduardo de Lima Machado
Tissue bioengineering has been applied to Endodontics to seek a more biological treatment. The presence of blood vessels is crucial for cell nutrition during tissue formation. Objective This study analysed the application of vascular endothelial growth factor (VEGF) in the angiogenesis of mature root canals. Material and methods Upper first molars of twelve 13-week old Wistar male rats were used. The root pulp of the mesiobuccal canal was removed and the root canal instrumented with K-files up to size #25. Periapical bleeding was induced into the root canal by introducing a #15 K-file beyond the apex...
2018: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/29789161/synthesis-of-silver-containing-calcium-aluminate-particles-and-their-effects-on-a-mta-based-endodontic-sealer
#3
Luiza Helena S Almeida, Rafael R Moraes, Renata D Morgental, Sérgio S Cava, Wellington Luiz O Rosa, Patrícia Rodrigues, Anderson S Ribeiro, Marcus Só, Fernanda G Pappen
OBJECTIVE: To synthetize calcium aluminate (C3A) and silver-containing C3A particles (C3A+Ag) testing their effects on the properties of a MTA-based endodontic sealer in comparison to an epoxy resin- and a calcium silicate-based sealer. METHODS: Pure C3A and C3A+Ag particles were synthesized by a chemical method and characterized using XRD to identify crystalline phases. SEM/EDS analysis investigated morphology, particle size, and elemental composition of particles...
May 19, 2018: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/29786880/metagenomic-study-of-bacterial-microbiota-in-persistent-endodontic-infections-using-next-generation-sequencing
#4
G Sánchez-Sanhueza, H Bello-Toledo, G González-Rocha, A T Gonçalves, V Valenzuela, C Gallardo-Escárate
AIM: To determine the bacterial microbiota in root canals associated with persistent apical periodontitis and their relationship with the clinical characteristics of patients using next-generation sequencing (NGS). METHODOLOGY: Bacterial samples from root canals associated with teeth having persistent apical periodontitis were taken from 24 patients undergoing root canal retreatment. Bacterial DNA was extracted, and V3-V4 variable regions of the 16S rRNA gene were amplified...
May 22, 2018: International Endodontic Journal
https://www.readbyqxmd.com/read/29785164/endodontic-management-of-mandibular-second-premolar-with-three-canals
#5
Bonny Paul, Kavita Dube
Mandibular premolar can present a complex pulp anatomy. Apart from the usual single root and single canal a many other variations may be seen. Hence not only a thorough knowledge of the root canal anatomy but also it's variations are indispensable pre requisites for the success of any endodontic treatment. Good magnification and CBCT scans will definitely be beneficial for successful endodontic treatment. The present case provides evidence that mandibular premolars may have more than one canal.
2018: Clujul Medical (1957)
https://www.readbyqxmd.com/read/29780745/impact-of-minimal-root-canal-taper-on-the-fracture-resistance-of-endodontically-treated-bicuspids
#6
Carla Zogheib, Germain Sfeir, Gianluca Plotino, Gustavo De Deus, Maha Daou, Issam Khalil
Objective: Minimal invasive endodontics preserve coronal and radicular tooth structure to increase the fracture resistance of teeth. The aim of this study was to assess the influence of final preparation taper on the fracture resistance of maxillary premolars. Materials and Methods: Sixty maxillary premolars were selected and divided into 2 groups: 30 were shaped with a final apical diameter 30 and a 4% taper and 30 with 6% taper using iRaCe® instrument (FKG dentaire, Switzerland)...
March 2018: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/29780734/antimicrobial-efficacy-of-different-endodontic-sealers-against-enterococcus-faecalis-an-in-vitro-study
#7
Swati Dalmia, Abhidnya Gaikwad, Roshan Samuel, Gayatri Aher, Meenal Gulve, Swapnil Kolhe
Objective: The aim of this in vitro study is to compare the antimicrobial efficacy of four different endodontic sealers against Enterococcus faecalis . Material and Method: Four different endodontic sealers, namely, resin based (AH Plus), zinc oxide-eugenol based (Tubliseal), calcium hydroxide based (Sealapex), and mineral trioxide aggregate (MTA Fillapex) based were tested for their antimicrobial efficacy against E. faecalis using agar diffusion method. Four wells were made by the removal of agar at equidistant points and filled with freshly mixed respective root canal sealers and were inoculated with E...
March 2018: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/29779278/-time-lapse-between-endodontic-and-periodontal-treatments-of-combined-periodontal-endodontic-lesion-a-systematic-review
#8
Yue Jin, Bin Chen, Yan-Hong Ni, Fu-Hua Yan
OBJECTIVE: This study aims to evaluate the time lapse between the endodontic and periodontal treatments of the combined periodontal-endodontic lesion to guide the clinical treatment. METHODS: A systemic literature search was performed in articles published from 1980 to March 2017 using the electronic databases, including PubMed, EMbase, Cochrane, Web of Science, CNKI, CBM, and Wanfang Databases. RESULTS: After screening, two randomized controlled trials, two prospective case series studies, and eight case reports were ultimately included...
April 1, 2018: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/29779218/an-analysis-of-the-timing-and-materials-associated-with-pulp-disease-following-restorative-dental-treatment
#9
J B Yong, S Sivarajan, P V Abbott
AIM: To assess whether the timing of pulp disease after tooth restoration was associated with type of restorative dental material used, extent of the restoration, or tooth type. METHODOLOGY: A comprehensive search and analysis of data using the Titanium Oral Health Management software program at The Oral Health Centre of Western Australia was performed to correlate procedural codes for teeth that had restorations placed and subsequently developed pulp disease requiring endodontic treatment or extraction from 1st January 2009 to 31st December 2013...
May 19, 2018: International Endodontic Journal
https://www.readbyqxmd.com/read/29778881/polymerase-chain-reaction-pcr-based-methods-promising-molecular-tools-in-dentistry
#10
REVIEW
Shahriar Shahi, Sepideh Zununi Vahed, Nazanin Fathi, Simin Sharifi
Polymerase chain reaction (PCR) has become a popular diagnosis and research technique in dentistry. Several studies show that its high sensitivity and specificity allow it as a precise, efficient, and rapid method for detection, identification, and quantification of microorganism. Several genetic polymorphisms can be determined along with detection of immune and inflammatory markers, therefore providing the more accurate perception into the mechanisms underlying the dental and periodontal disease. This review paper discusses the application of PCR as a diagnostic technique in periodontology, endodontic infections, implant-related, and peri-implantitis infection, immune and inflammatory markers identification and genetic polymorphism as well as application of next generation sequencing and gene microarray technology in dentistry mentioned...
May 17, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29777616/regenerative-endodontics-a-review
#11
REVIEW
S G Kim, M Malek, A Sigurdsson, L M Lin, B Kahler
The European Society of Endodontology and the American Association for Endodontists have released position statements and clinical considerations for regenerative endodontics. There is increasing literature on this field since the initial reports of Iwaya et al. (2001) and Banchs & Trope (2004). Endogenous stem cells from an induced periapical bleeding and scaffolds using blood clot, platelet rich plasma or platelet rich fibrin have been utilized in regenerative endodontics. This approach has been described as a 'paradigm shift" and considered the first treatment option for immature teeth with pulp necrosis...
May 19, 2018: International Endodontic Journal
https://www.readbyqxmd.com/read/29774548/release-of-tgf-%C3%AE-1-into-root-canals-with-various-final-irrigants-in-regenerative-endodontics-an-in-vitro-analysis
#12
Y Chae, M Yang, J R Kim
AIM: To investigate the release of growth factors into the root canal space after various final irrigants during regenerative endodontic procedures. The residual cytotoxic effect of final irrigants on stem cells from the apical papilla (SCAP) was also examined. METHODOLOGY: To measure the release of TGF-β1, root segments (8mm long) were irrigated with 1.5% NaOCl followed by 20 mL of final irrigants; Saline, 17% EDTA, 10% citric acid, 10% or 37% phosphoric acid...
May 17, 2018: International Endodontic Journal
https://www.readbyqxmd.com/read/29772749/endodontic-microbiology-a-special-issue-of-dentistry-journal
#13
EDITORIAL
Prasanna Neelakantan
Understanding microbiology, specifically biofilm biology is an essential component of creating targeted therapeutic modalities that are effective and efficient.[...].
May 17, 2018: Dentistry journal
https://www.readbyqxmd.com/read/29768091/effect-of-830-nm-diode-laser-irradiation-of-root-canal-on-bond-strength-of-metal-and-fiber-post
#14
Claudia Strefezza, Marcello Magri Amaral, José Quinto, Sheila Cynthia Gouw-Soares, Claudia Bianchi Zamataro, Denise Maria Zezell
OBJECTIVE AND BACKGROUND: The correct selections of the cementing agent, the endodontic post material and placement protocol are critical to provide an increased longevity of the teeth that went through endodontic treatment. The irradiation with diode laser before post cementation, can promote an antimicrobial effect. However, there is a lack of information about the effect of 830 nm diode laser on the post bond strength. This study analyzed the effect of dentin root canal irradiation with high-intensity diode laser, at 830 nm, operating in continuous or pulsed mode, on the retention of metal or fiber posts, cemented with self-etching resinous composite (Panavia F) and zinc phosphate cement (ZnPO4 )...
May 16, 2018: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/29766617/gingival-tissue-reaction-to-direct-adhesive-restoration-a-preliminary-study
#15
Carlo Bertoldi, Davide Zaffe, Luigi Generali, Andrea Lucchi, Pierpaolo Cortellini, Emanuela Monari
INTRODUCTION: It is debated if composite resin marginal/submarginal direct restoration can be usefully performed without inflammatory consequences. This histological study is the first human analysis aimed to compare, in the same tooth, the gingival tissue close to composite resin restorations with gingival tissue close to hard tissue. METHODS: Eight healthy patients with almost a residual strategic tooth needing endodontic therapy, and post-and-core restoration, then indirect prosthetic restoration, were selected...
May 16, 2018: Oral Diseases
https://www.readbyqxmd.com/read/29765898/periodontal-healing-following-non-surgical-repair-of-an-old-perforation-with-pocket-formation-and-oral-communication
#16
Saeed Asgary, Prashant Verma, Ali Nosrat
Iatrogenic perforations negatively impact the outcome of endodontic treatments. Studies on prognostic factors showed that perforations in the coronal third of the root with periodontal pocket formation have an unfavorable prognosis. A 36-year-old female was referred for endodontic evaluation of tooth #13 with a history of an iatrogenic perforation, happened 3 years ago. There was a sinus tract associated with perforation, 10 mm probing on the mesial and mesio-palatal, bleeding on probing, radiolucent lesion adjacent to the perforation and complete resorption of the interdental bone between teeth #13 and #12...
May 2018: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/29765897/anatomical-analysis-of-the-resected-roots-of-mandibular-first-molars-after-failed-non-surgical-retreatment
#17
Jiyoung Yoon, Byeong-Hoon Cho, Jihyun Bae, Yonghoon Choi
Objectives: Understanding the reason for an unsuccessful non-surgical endodontic treatment outcome, as well as the complex anatomy of the root canal system, is very important. This study examined the cross-sectional root canal structure of mandibular first molars confirmed to have failed non-surgical root canal treatment using digital images obtained during intentional replantation surgery, as well as the causative factors of the failed conventional endodontic treatments. Materials and Methods: This study evaluated 115 mandibular first molars...
May 2018: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/29764492/mineral-trioxide-aggregate-affects-cell-viability-and-induces-apoptosis-of-stem-cells-from-human-exfoliated-deciduous-teeth
#18
Chia-Ling Tsai, Mu-Chan Ke, Yi-Hao Chen, Hsi-Kung Kuo, Hun-Ju Yu, Chueh-Tan Chen, Ya-Chi Tseng, Pei-Chin Chuang, Pei-Chang Wu
BACKGROUND: Mineral trioxide aggregate (MTA) is widely used for pulp-capping procedures in permanent teeth and as a gold standard material in endodontics. The aim of the study was to investigate the effect of MTA on cell viability and apoptosis when MTA is directly in contact with Stem Cells from Human Exfoliated Deciduous Teeth (SHEDs). METHODS: MTA was mixed and coated in the bottom of a 24-well plate. SHEDs collected and cultured from normal exfoliated human deciduous teeth (passages 3-4) were seeded on square cover glasses...
May 15, 2018: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29763971/evaluation-of-the-effects-of-the-solution-used-for-electrochemical-dissolution-of-nickel-titanium-endodontic-files-on-dentine-structure-microhardness-and-cell-viability
#19
C C F Amaral, F Ormiga, L C Boldrini, P G Miranda, T A Mendonça, J M Granjeiro, J A C P Gomes
AIM: To evaluate the effects of the [NaF 12 g/L + NaCl 1 g/L] solution used in the electrochemical dissolution process of fractured endodontic files, as well as its NiTi-containing product, on dentine hardness, topography and human fibroblast viability. METHODOLOGY: Sixty single-rooted human teeth were evaluated for dentine microhardness using the Vickers hardness test and the area and number of dentinal tubules by scanning electron microscopy. The samples were divided according to the dentine surface treatment: distilled water; 17% EDTA; [NaF 12 g/L + NaCl 1 g/L]; and 17% EDTA + [NaF 12 g/L + NaCl 1 g/L]...
May 15, 2018: International Endodontic Journal
https://www.readbyqxmd.com/read/29747636/a-novel-method-for-periapical-microsurgery-with-the-aid-of-3d-technology-a-case-report
#20
Shangzhu Ye, Shiyong Zhao, Weidong Wang, Qianzhou Jiang, Xuechao Yang
BACKGROUND: Three-dimensional (3D) technology has gained wide acceptance in dentistry. It has been used for treatment planning and surgical guidance. This case report presented a novel treatment approach to remove cortical bone and root-end during periapical surgery with the help of Cone-Beam Computed Tomography (CBCT), Computer Aided Design (CAD) and three-dimensional (3D) printing technology. CASE PRESENTATION: A 37-year-old female patient presented with a large periapical lesion of left maxillary lateral incisor and canine was referred for microsurgical endodontic surgery...
May 10, 2018: BMC Oral Health
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