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https://www.readbyqxmd.com/read/29430103/effect-of-three-different-rotary-instrumentation-systems-on-postinstrumentation-pain-a-randomized-clinical-trial
#1
Arunajatesan Subbiya, Pavel S Cherkas, Paramasivam Vivekanandhan, Nagarajan Geethapriya, Dhakshinamoorthy Malarvizhi, Suresh Mitthra
Background: Endodontic instrumentation is liable to cause some postinstrumentation pain (PIP). Rotary endodontic instruments differ in their design, metallurgy, surface treatment, etc. Aim: This randomized clinical trial aimed to assess the incidence of PIP after root canal instrumentation with three different rotary endodontic systems which differ in their design, namely, ProTaper, Mtwo, and K3. Materials and Methods: A total of 150 patients between the ages of 25 and 50 were chosen for the study...
November 2017: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/29430094/effect-of-ultrasonic-activation-of-photosensitizer-dye-temoporfin-foscan-on-antimicrobial-photodynamic-therapy-an-ex-vivo-study
#2
Aleem Mohammad, Srinidhi V Ballullaya, Jayaprakash Thumu, Sohani Maroli, Pushpa Shankarappa
Aim: The aim of this study is to evaluate the effectiveness of ultrasonic activation of photosensitizer (PS) drug Foscan in the elimination of endodontic pathogen from root canal system. Materials and Methods: The minimal bactericidal concentration of "Foscan" was determined using disc diffusion and broth dilution method. Forty-eight extracted single-rooted premolars with periapical pathology were used for the study. After access opening, the first microbial sample was taken...
November 2017: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/29399304/the-effect-of-photobiomodulation-on-the-depth-of-anesthesia-during-endodontic-treatment-of-teeth-with-symptomatic-irreversible-pulpitis-double-blind-randomized-clinical-trial
#3
Sholeh Ghabraei, Nasim Chiniforush, Behnam Bolhari, Mohsen Aminsobhani, Abbas Khosarvi
Introduction: Achieving appropriate anesthesia in patients with symptomatic irreversible pulpitis in mandibular molars during endodontic treatment is always one of the most challenging aspects. Photobiomodulation (PBM) has been used in dentistry due to its anti-inflammatory properties and regenerative effects. This study evaluates the effects of PBM in the depth of anesthesia in inferior alveolar nerve block. Methods: In this randomized clinical trial, 44 patients requiring endodontic treatment in lower molar, left or right were selected, half of them were randomly treated with PBM therapy...
2018: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/29397214/efficacy-of-articaine-versus-lidocaine-in-supplemental-infiltration-for-mandibular-first-versus-second-molars-with-irreversible-pulpitis-a-prospective-randomized-double-blind-clinical-trial
#4
Michael R Shapiro, Neville J McDonald, Richard J Gardner, Mathilde C Peters, Tatiana M Botero
INTRODUCTION: Profound pulpal anesthesia is difficult to achieve in mandibular molars with irreversible pulpitis (IP). However, there are no published randomized controlled clinical trials comparing the success of supplemental buccal infiltration (BI) in mandibular first versus second molars with IP. The purpose of this prospective, randomized, double-blind study was to compare the efficacy of 4% articaine with 2% lidocaine for supplemental BIs in mandibular first versus second molars with IP after a failed inferior alveolar nerve block (IANB)...
January 31, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29386789/atypical-anatomy-of-maxillary-second-premolar-with-three-roots-and-four-canals
#5
Shaik Izaz, Pragna Mandava, Nagesh Bolla, Bhargavi Dasari
Knowledge and understanding the anatomical configuration of individual tooth play a significant role in success of endodontic treatment, in addition to through debridement and obturation of the canals. The canal anatomy of maxillary second premolar has been studied extensively, and the presence of a significant variety of multirooted canals is relatively rare in it. A 27-year-old female reported with a chief complaint of pain in her upper right posterior region for 10 days. On intraoral hard tissue examination, ill-defined access preparation was seen in maxillary right second premolar with exposed pulp...
September 2017: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/29358547/pre-endodontic-post-and-core-technique-for-endodontic-and-prosthodontic-treatment
#6
Keita Sasaki, Takatsugu Yamamoto, Tomoko Ikawa, Yuko Shigeta, Shuji Shigemoto, Eriko Ando, Takumi Ogawa, Keisuke Ihara
INTRODUCTION: Displacement of provisional fixed prostheses may result in undesirable and embarrassing outcomes in dental treatments, especially in endodontic treatment. Development of certain counter measures has been necessary to avoid such discomforts. AIM: The aim of this report was to propose a pre-endodontic post and core technique to achieve smooth progress of the treatment. MATERIALS AND METHODS: The patient was a 59-year-old male diagnosed with an infraocclusion caused by wear of his teeth...
January 1, 2018: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29358536/pulp-stones-prevalence-and-distribution-in-an-iranian-population
#7
Maryam Kuzekanani, Jahangir Haghani, Laurence J Walsh, Mohammad Am Estabragh
AIM: This study determined the prevalence and distribution of pulp stones in the permanent dentition of an adult population using their periapical radiographs. MATERIALS AND METHODS: The study followed a cross-sectional design. A total of 800 periapical radiographs collected from 412 patients attending dental clinics in Kerman, Islamic Republic of Iran, were examined using magnification. RESULTS: Pulp stones were present in 9.6% of all permanent teeth examined, being most common in maxillary first and second molars, followed by mandibular first and second molars...
January 1, 2018: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29337644/performance-of-monolithic-and-veneered-zirconia-crowns-after-endodontic-treatment-and-different-repair-strategies
#8
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/29336881/influence-of-contracted-endodontic-access-on-root-canal-geometry-an-in%C3%A2-vitro-study
#9
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/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/29326505/influence-of-intracanal-irrigants-on-coronal-fracture-resistance-of-endodontically-treated-and-bleached-teeth-an-in-vitro-study
#11
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/29306536/orthodontic-movement-after-regenerative-endodontic-procedure-case-report-and-long-term-observations
#12
Antonis Chaniotis
INTRODUCTION: Although regenerative treatment approaches in teeth with incomplete root formation and pulp necrosis have become part of the suggested therapeutic endodontic spectrum, little is known about the effect of orthodontic movement in the tissue that has been regenerated. Furthermore, as the number of adults undergoing orthodontic treatment increases, there is an increasing need to investigate the changes that these tissues may undergo during orthodontic movement. Here we describe the alterations observed after the application of orthodontic forces in a case of an apically root-fractured necrotic immature root that had been managed with regenerative endodontic procedures in the past...
January 3, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29273493/does-the-orifice-directed-dentin-conservation-access-design-debride-pulp-chamber-and-mesial-root-canal-systems-of-mandibular-molars-similar-to-a-traditional-access-design
#13
Prasanna Neelakantan, Khadija Khan, Geoffrey Pak Hei Ng, Chui Ying Yip, ChengFei Zhang, Gary Shun Pan Cheung
INTRODUCTION: Despite the increasing reports on mechanical aspects of contracted endodontic access cavities (CECs), we believe that the biological aspects (debridement) have not been adequately investigated. This study examined if 1 type of CEC (orifice-directed dentin conservation [DDC] access) was able to debride the pulp chamber, root canals, and isthmus of mesial roots of mandibular molars similar to a traditional endodontic access cavity (TEC). METHODS: Mandibular molars (N = 32) were selected and divided randomly into 2 experimental groups (n = 12) after micro-computed tomographic scanning (group 1: TEC and group 2: DDC) and histologic controls (n = 8)...
December 19, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29250694/middle-mesial-canal-of-the-permanent-mandibular-first-molars-an-anatomical-challenge-directly-related-to-the-outcome-of-endodontic-treatment
#14
Paula Perlea, Cristina Coralia Nistor, Marina Imre, Irina Maria Gheorghiu, Alexandru Andrei Iliescu
To effectively clean and shape the mandibular permanent first molars it is mandatory to understand in detail their complex internal anatomy. The middle mesial canal is an additional canal located between the usual mesiobuccal and mesiolingual canals in the mesial root of mandibular first molars. The incidence of the middle mesial canal, its relationship with main canals of the mesial root and the possibility for it to be negotiated is an important practical issue in endodontics. To identify the presence of this canal is mandatory...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/29194346/dental-procedures-in-primary-health-care-of-the-brazilian-national-health-system
#15
Suellen R Mendes, Renata C Martins, Antônio T G M Matta-Machado, Grazielle C M Mattos, Jennifer E Gallagher, Mauro H N G Abreu
The aim of this study was to examine the procedures of primary dental health care performed by oral health teams (OHTs) adhering to the second cycle of the 'National Programme for Improving Access and Quality of Primary Care' (PMAQ-AB) in Brazil. A cross-sectional descriptive analysis was performed, across 23 dental procedures comprising preventive, restorative/prosthetic, surgical, endodontic and oral cancer monitoring. Descriptive analysis shows that most of the oral health teams carry out basic dental procedures...
December 1, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29160804/residual-endodontic-filling-material-after-post-space-preparation-a-confocal-microscopic-study
#16
Yu-Yao Teoh, Laurence J Walsh
This laboratory study assessed removability of endodontic alkaline cements and resin sealers using coronal cross-sectional slices of roots with single canals. Materials were labelled with 0.1% (w/w) sodium fluorescein prior to mixing so that confocal microscopy could be used to quantify material remaining on the walls of post spaces, to assess cleanliness. Roots of extracted teeth were prepared using rotary NiTi instruments then obturated using lateral condensation with gutta percha and epoxy resin sealers (AH-Plus™ or Zirmix™), or were filled by injecting mineral trioxide aggregate (MTA) cement (GC Nex™ MTA or MTAmix™) or a hard-setting calcium hydroxide cement (Supercal™)...
November 21, 2017: Materials
https://www.readbyqxmd.com/read/29155532/the-restorability-assessment-and-endodontic-access-cavity-interface
#17
Graham Quilligan, Gerald McKenna, P Finbarr Allen
Successful root canal treatment requires management of the bacterial infection within the root canal space and protection of residual tooth structure with direct/indirect restorations. Long-term success depends upon prevention of re-infection of the root canal space as well as ensuring favourable distribution of the occlusal forces throughout the residual tooth structure. Appropriate planning and design of the final restoration prior to initiating root canal treatment is paramount in achieving this objective...
December 2016: Dental Update
https://www.readbyqxmd.com/read/29153730/effect-of-a-combination-of-intranasal-ketorolac-and-nitrous-oxide-on-the-success-of-the-inferior-alveolar-nerve-block-in-patients-with-symptomatic-irreversible-pulpitis-a-prospective-randomized-double-blind-study
#18
Daniel Stentz, Melissa Drum, Al Reader, John Nusstein, Sara Fowler, Mike Beck
INTRODUCTION: Previous studies in patients with irreversible pulpitis have reported increased success of the inferior alveolar nerve block (IANB) using premedication with ketorolac. Preemptive nitrous oxide administration has also shown an increase in the success of the IANB. Recently, ketorolac has been made available for intranasal delivery. Perhaps combining ketorolac and nitrous oxide would increase success. Therefore, the purpose of this prospective, randomized, double-blind study was to determine the effect of a combination of intranasal ketorolac and nitrous oxide/oxygen on the anesthetic success of the IANB in patients presenting with symptomatic irreversible pulpitis...
November 15, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29149844/use-of-artificial-primary-teeth-for-endodontic-laboratory-research-experiments-related-to-canal-length-determination
#19
Anna Carolina V Mello-Moura, Carmela R Bresolin, Cacio Moura-Netto, André Ito, Angela T Araki, José Carlos P Imparato, Fausto M Mendes
BACKGROUND: Due to the scarcity of exfoliated/extracted human primary teeth with complete roots, artificial teeth were developed as an alternative to be used for educational and laboratory research purposes. This study aimed to assess the feasibility of using artificial primary teeth for conducting laboratory research through an experiment related to canal length determination, comparing artificial teeth with natural teeth. METHODS: Thirty anterior and 21 posterior artificial teeth, and the same number of natural primary teeth were selected...
November 17, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/29104387/evaluation-of-antimicrobial-efficacy-of-various-intracanal-medicaments-in-primary-teeth-an-in-vivo-study
#20
Brahmananda Dutta, Kanika S Dhull, Debasmita Das, P V Samir, Rajnish K Verma, Nipa Singh
Introduction: Bacteria and their products play a primary etiological role in the initiation and perpetuation of pulpoperiapical pathosis. Intracanal medication is important for endodontic success as it eliminates microorganisms that persist after chemomechanical preparation. Aim: To compare antimicrobial efficacy of calcium hydroxide powder, triple antibiotic paste, calcium hydroxide with 2% chlorhexidine solution, and triple antibiotic paste with 2% chlorhexidine solution...
July 2017: International Journal of Clinical Pediatric Dentistry
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