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https://www.readbyqxmd.com/read/29345849/impact-of-cone-beam-computed-tomography-on-periapical-assessment-and-treatment-plan-five-to-eleven-years-after-surgical-endodontic-retreatment
#1
C Kruse, R Spin-Neto, A Wenzel, M Vaeth, L-L Kirkevang
AIM: To evaluate how additional information from Cone Beam CT (CBCT) impactson periapical assessment and treatment planning based on clinical examination and periapical radiographs (PR) in cases followed-up five to eleven years after surgical endodontic retreatment (SER). METHODOLOGY: Patients receiving SER during 2004-2010 were re-invited for follow-up examination including clinical examination, PR, and CBCT. In total 108 patients (119 teeth) were re-invited, 74 patients (83 teeth) accepted to participate...
January 18, 2018: International Endodontic Journal
https://www.readbyqxmd.com/read/29345716/endodontium-together-or-separately
#2
Adriana Kleinert, Lukas Kleinert, Monika Ozimirska, Renata Chałas
Endodontium, otherwise referred to as pulp-dentin complex or endodont. This term includes two tooth tissues: dentin and pulp, which constitute a structural and functional unity. These tissues have a huge, inseparable influence on each other - the pulp (inter alia) nourishes the dentine, while the dentin forms a protective barrier for the pulp. They develop from the papillary tissue (Latin: papilladentis) from mesenchymal tissue. Nevertheless, in clinical practice this structural-functional complex is often treated as two separate tissues, and not as a whole...
January 18, 2018: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/29344806/comparison-of-two-observational-methods-scanning-electron-and-confocal-laser-scanning-microscopies-in-the-adhesive-interface-analysis-of-endodontic-sealers-to-root-dentine
#3
Maybell Tedesco, Marcelo Carvalho Chain, Eduardo Antunes Bortoluzzi, Lucas da Fonseca Roberti Garcia, Ana Maria Hecke Alves, Cleonice Silveira Teixeira
OBJECTIVES: To compare the accuracy of confocal laser scanning microscopy (CLSM) and scanning electron microscopy (SEM) during the analysis of the adhesive interface integrity and intratubular penetration of root canal sealers to radicular dentine. MATERIALS AND METHODS: Twenty roots of human maxillary incisors were prepared and distributed into two groups (n = 10), followed by filling with gutta-percha and Endofill (G1) or AH Plus (G2). After 7 days, roots were sectioned and analyzed under CLSM and SEM...
January 17, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29342837/effect-of-exposed-surface-area-volume-and-environmental-ph-on-the-calcium-ion-release-of-three-commercially-available-tricalcium-silicate-based-dental-cements
#4
Sivaprakash Rajasekharan, Chris Vercruysse, Luc Martens, Ronald Verbeeck
Tricalcium silicate cements (TSC) are used in dental traumatology and endodontics for their bioactivity which is mostly attributed to formation of calcium hydroxide during TSC hydration and its subsequent release of calcium and hydroxide ions. The aim of this study was to determine the effect of volume (Vol), exposed surface area (ESA) and pH of surrounding medium on calcium ion release. Three commercially available hydraulic alkaline dental cements were mixed and condensed into cylindrical tubes of varying length and diameter (n = 6/group)...
January 13, 2018: Materials
https://www.readbyqxmd.com/read/29341381/effect-of-ethanol-on-the-antimicrobial-properties-of-chlorhexidine-over-oral-biofilm
#5
Pedro Henrique Marks Duarte, Paula Barcellos da Silva, Ricardo Abreu da Rosa, Francisco Montagner, Marco Antônio Húngaro Duarte, Milton Carlos Kuga, Marcus Vinícius Reis Só
The aim of this study was to evaluate the effect of 95% ethanol irrigation, with 5 or 10 min of action, on the antibacterial properties of 2% chlorhexidine (CHX), on oral biofilm, evaluated with confocal laser scanning microscopy (CLSM). Oral biofilm development was induced in 80 sterilized bovine dentin blocks, distributed in two groups (5 or 10 min) and 4 subgroups, according to time and the solution used: Saline (SALINE5, SALINE10); Saline followed by CHX (SALINE/CHX5, SALINE/CHX10); Ethanol (ETHANOL5, ETHANOL10), Ethanol followed by CHX (ETHANOL/CHX5, ETHANOL/CHX10)...
January 17, 2018: Microscopy Research and Technique
https://www.readbyqxmd.com/read/29337644/performance-of-monolithic-and-veneered-zirconia-crowns-after-endodontic-treatment-and-different-repair-strategies
#6
A Scioscia, A Helfers, S Soliman, G Krastl, N U Zitzmann
OBJECTIVES: To investigate failure loads of monolithic and veneered all-ceramic crowns after root canal treatment and to analyze marginal integrity of repair fillings. METHODS AND MATERIALS: Seventy-two human molars were restored with monolithic (Zr-All) or veneered (Zr-Ven) zirconia crowns. Molars were assigned to six groups (n=12 per group) depending on restoration material, access type (no access cavity [control] or endodontic treatment [test]), and type of filling (one-step [1-st] or two-step [2-st])...
January 16, 2018: Operative Dentistry
https://www.readbyqxmd.com/read/29337224/an-experimental-study-for-rapid-detection-and-quantification-of-endodontic-microbiota-following-photo-activated-disinfection-via-new-multiplex-real-time-pcr-assay
#7
Maryam Pourhajibagher, Reza Raoofian, Roghayeh Ghorbanzadeh, Abbas Bahador
BACKGROUND: The infected root canal system harbors one of the highest accumulations of polymicrobial infections. Since the eradication of endopathogenic microbiota is a major goal in endodontic infection therapy, photo-activated disinfection (PAD) can be used as an alternative therapeutic method in endodontic treatment. Compared to cultivation-based approaches, molecular techniques are more reliable for identifying microbial agents associated with endodontic infections. The purpose of this study was to evaluate the ability of designed multiplex real-time PCR protocol for the rapid detection and quantification of six common microorganisms involved in endodontic infection before and after the PAD...
January 11, 2018: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/29336881/influence-of-contracted-endodontic-access-on-root-canal-geometry-an-in%C3%A2-vitro-study
#8
Mario Alovisi, Damiano Pasqualini, Edoardo Musso, Elena Bobbio, Carlotta Giuliano, Davide Mancino, Nicola Scotti, Elio Berutti
INTRODUCTION: Contracted endodontic cavities (CECs) have developed from the concept of minimally invasive dentistry and provide an alternative to traditional endodontic cavities (TECs). They have been designed in an effort to preserve the mechanical stability of teeth. The contracted cavity design preserves more of the dentin but may influence the geometric shaping parameters. The aim of this micro-computed tomographic study was to evaluate the influence of contracted endodontic cavities on the preservation of the original root canal anatomy after shaping with nickel-titanium rotary instruments...
January 12, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29336878/healing-of-periapical-lesions-after-endodontic-treatment-with-the-gentlewave-procedure-a-prospective-multicenter-clinical-study
#9
Asgeir Sigurdsson, Randy W Garland, Khang T Le, Shahriar A Rassoulian
INTRODUCTION: This report includes outcomes for a group of patients with significant periapical lesions who were treated and evaluated in two single-arm, multicenter, prospective, nonsignificant risk clinical studies. METHODS: Forty-five teeth were from 45 patients who met the inclusion criteria and consented for the clinical studies and were diagnosed with periapical lesions with periapical index score ≥3. Patients were treated with a standardized treatment protocol including instrumentation to an apical diameter of #20 without orifice enlargement, the GentleWave Procedure, and warm vertical obturation...
January 12, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29336522/continued-root-maturation-despite-persistent-apical-periodontitis-of-immature-permanent-teeth-after-failed-regenerative-endodontic-therapy
#10
Louis M Lin, Sahng G Kim, Gabriela Martin, Bill Kahler
Three immature permanent teeth with pulp necrosis and apical periodontitis were treated with regenerative endodontic therapy (RET), which included root canal disinfection with sodium hypochlorite irrigation, intra-canal medication with calcium hydroxide paste, 17% EDTA rinse, induction of periapical bleeding into the canal, collagen matrix and MTA coronal seal, and composite resin restoration of access cavities. After different periods of follow-up, it was observed that continued root maturation, especially apical closure occurred despite persistent apical periodontitis of immature permanent teeth after failed RET...
January 16, 2018: Australian Endodontic Journal: the Journal of the Australian Society of Endodontology Inc
https://www.readbyqxmd.com/read/29336506/influence-of-culture-change-on-the-perception-of-fear-and-anxiety-pathways-in-endodontics-a-pilot-proof-of-concept-study
#11
Ava Elizabeth Carter, Emad AlShwaimi, Mark Boschen, Geoffery Carter, Roy George
This study assessed the influence of cultural changes (known as acculturation) on pathways of fear and anxiety in Endodontics. A purposive sampling technique identified patients of Saudi Arabian descent living in Australia and Saudi Arabia. Only patients with root canal fillings (or treatment planned for endodontic treatment) were included. Patients with intellectual disabilities, surgical root therapy, and aged under 20 were excluded. Consenting patients attending the dental clinics of University of Griffith University, Australia and University of Dammam, Saudi Arabia completed the "My Endodontic Fear Questionnaire...
January 16, 2018: Australian Endodontic Journal: the Journal of the Australian Society of Endodontology Inc
https://www.readbyqxmd.com/read/29330656/3d-imaging-3d-printing-and-3d-virtual-planning-in-endodontics
#12
REVIEW
Pratik Shah, B S Chong
The adoption and adaptation of recent advances in digital technology, such as three-dimensional (3D) printed objects and haptic simulators, in dentistry have influenced teaching and/or management of cases involving implant, craniofacial, maxillofacial, orthognathic and periodontal treatments. 3D printed models and guides may help operators plan and tackle complicated non-surgical and surgical endodontic treatment and may aid skill acquisition. Haptic simulators may assist in the development of competency in endodontic procedures through the acquisition of psycho-motor skills...
January 12, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29327500/multiplex-polymerase-chain-reaction-detection-of-selected-bacterial-species-from-symptomatic-and-asymptomatic-non-vital-teeth-with-primary-endodontic-infections
#13
Smita Pattanshetty, Vijayalakshmi S Kotrashetti, Kishore Bhat, Ramakant S Nayak, Pradeep Somannavar, Madhu Pujar
AIM: The aim of the present study was to investigate the presence of selective anaerobic microorganisms in primary root canal infections of symptomatic and asymptomatic non-vital teeth with periapical pathosis using multiplex polymerase chain reaction. METHODS: A total of 100 root canal samples (50 from symptomatic and 50 from asymptomatic teeth) were obtained from patients with primary endodontic infections. DNA extracted from the samples was amplified by using specific primers for the 16S rRNA gene of each bacterium, and semiquantification was done to analyze the prevalence of microorganisms and their correlation to clinical features...
January 11, 2018: Journal of Investigative and Clinical Dentistry
https://www.readbyqxmd.com/read/29327470/investigation-of-the-effect-of-rapid-and-slow-external-ph-increases-on-enterococcus-faecalis-biofilm-grown-on-dentine
#14
Mark Stenhouse, Peter Zilm, Jithendra Ratnayake, Peter Cathro
BACKGROUND: Calcium hydroxide is a common endodontic medicament and has an anti-microbial effect by increasing the localized pH within the root canal. However, Enterococcus faecalis has shown some resistance to calcium hydroxide. METHOD: A flow cell apparatus was used to grow an E. faecalis biofilm on dentine discs. Following 4 weeks growth in Todd Hewitt Broth, flow cells were exposed to either a rapid or slow increase to pH 11.5 or 12.5. Cellular viability was determined using serial plating and the number of colony forming units was normalised against the cellular protein content...
January 11, 2018: Australian Dental Journal
https://www.readbyqxmd.com/read/29327088/amplification-of-pressure-waves-in-laser-assisted-endodontics-with-synchronized-delivery-of-er-yag-laser-pulses
#15
Nejc Lukač, Matija Jezeršek
When attempting to clean surfaces of dental root canals with laser-induced cavitation bubbles, the resulting cavitation oscillations are significantly prolonged due to friction on the cavity walls and other factors. Consequently, the collapses are less intense and the shock waves that are usually emitted following a bubble's collapse are diminished or not present at all. A new technique of synchronized laser-pulse delivery intended to enhance the emission of shock waves from collapsed bubbles in fluid-filled endodontic canals is reported...
January 11, 2018: Lasers in Medical Science
https://www.readbyqxmd.com/read/29326513/an-in-vitro-comparison-of-pushout-bond-strength-of-resilon-with-metaseal-and-ah-plus-sealers
#16
Priyanka Sarangi, Rashmirekha Mallick, Sukanta Kumar Satapathy, Gaurav Sharma, Fathima Kouser, Satyajit Mohapatra
Aim: The aim of this study is to evaluate and compare the pushout bond strengths of Resilon with two different sealers: Resilon/MetaSEAL (methacrylate based) and Resilon/AH Plus (an epoxy resin-based sealer). Materials and Methods: Forty single canal anterior teeth were decoronated at cementoenamel junction and standardized to 10 ± 1 mm length. Working length was determined followed by biomechanical preparation. Then, the specimens were randomly assigned into two groups of 20 teeth each based on the sealer used with Resilon...
October 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29326505/influence-of-intracanal-irrigants-on-coronal-fracture-resistance-of-endodontically-treated-and-bleached-teeth-an-in-vitro-study
#17
Maryam Khoroushi, Fatemeh Tavakol, Farinaz Shirban, Sanaz Ziaei
Background: Irrigation has a key role in the success of endodontic treatment. Intracanal irrigant solutions have adverse effects on the physical properties of dentin. Aim: The present study aimed to evaluate the effect of different irrigation protocols on coronal fracture resistance of endodontically treated teeth undergoing bleaching treatment. Design and Materials and Methods: Access cavities were prepared in 120 maxillary premolars which were divided into two groups (n = 60) - Group A: nonbleached, Group B: bleached (B)...
October 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29326473/book-review-endodontic-prognosis-clinical-guide-for-optimal-treatment-outcome
#18
Joanna Morrison
No abstract text is available yet for this article.
January 12, 2018: British Dental Journal
https://www.readbyqxmd.com/read/29319894/antibiotic-prescribing-for-endodontic-therapies-a-comparative-survey-between-general-dental-practitioners-gdps-and-final-year-bachelor-of-dental-surgery-bds-students-in-cardiff-uk
#19
A A Al Masan, P M H Dummer, D J J Farnell, M E Vianna
AIM: To evaluate the views of final-year dental surgery (BDS; G1) students at Cardiff University and general dental practitioners (GDPs; G2) within the city of Cardiff, Wales on antibiotic prescribing for endodontic conditions, and investigate the potential differences between the two groups. METHODS: A cross-sectional online questionnaire-based survey of 12 qualitative and quantitative questions was distributed to 76 final-year BDS Cardiff University students and 55 dental practices within Cardiff, UK...
January 10, 2018: International Endodontic Journal
https://www.readbyqxmd.com/read/29318386/the-effect-of-dental-treatment-on-oral-health-related-quality-of-life-in-adolescents
#20
Bruna Brondani, Bruno Emmanuelli, Luana Severo Alves, Carlos José Soares, Thiago Machado Ardenghi
OBJECTIVES: The objective of the study is to assess the effect of dental treatment on the oral health-related quality of life (OHRQoL) of adolescents from a city in South Brazil. MATERIALS AND METHODS: This longitudinal study included 129 adolescents aged 10 to 15 years who received dental caries treatment in a university clinic in Santa Maria, Brazil. The OHRQoL was measured using the Brazilian version of the Child Perceptions Questionnaire for children aged 11 to 14 years (CPQ11-14)...
January 9, 2018: Clinical Oral Investigations
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