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https://www.readbyqxmd.com/read/28068207/the-effect-of-diode-laser-on-planktonic-enterococcus-faecalis-in-infected-root-canals-in-an-ex-vivo-model
#1
Gilda Cretella, Carlo Lajolo, Raffaella Castagnola, Francesco Somma, MariaTeresa Inchingolo, Luca Marigo
OBJECTIVE: This study examined the bactericidal effect of diode laser irradiation against intracanal Enterococcus faecalis. METHODS AND MATERIALS: m total of 128 extracted single-rooted and single-canal teeth were treated with ProTaper instruments (Dentsply Maillefer, Ballaigues, Switzerland). A total of 120 root canals were inoculated with E. faecalis for 21 days, and the samples were randomly divided into five groups: Group 1 (n = 24) samples were irrigated with only saline solution (positive controls); Group 2 (n = 24) was treated with only 5...
January 9, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28042259/comparison-of-compressive-strength-among-three-different-intracanal-post-materials-in-primary-anterior-teeth-an-in-vitro-study
#2
Nilavu Nilavarasan, R Hemalatha, R Vijayakumar, V S Hariharan
OBJECTIVE: The objective of our study was to compare the fracture resistance and the mode of failure among three different post materials in primary anterior teeth. MATERIALS AND METHODS: A total of sixty extracted primary anterior teeth were selected for the study. The samples were divided into three groups of twenty teeth each: Group I (Ribbond), Group II (Omega loop), and Group III (Glass fiber post). Pulp therapy was followed by intracanal post and crown buildup...
October 2016: European Journal of Dentistry
https://www.readbyqxmd.com/read/28000644/comparative-analysis-of-cleaning-ability-of-three-nickel-titanium-rotary-systems-protaper-universal-k3-and-mtwo-an-in-vitro-scanning-electron-microscopic-study
#3
Ambar W Raut, Vijay Mantri, Aparna Palekar, Rupal Gadodia, Shubham Kala, Radha A Raut
BACKGROUND: Endodontic instruments including the nickel-titanium (NiTi) instruments produce debris and smear layer during instrumentation. The study was carried out to evaluate and compare the cleaning effectiveness of root canal preparation using three different rotary NiTi instrumentation systems - ProTaper Universal, K3 and Mtwo by means of scanning electron microscopy (SEM). METHODS: Thirty-six freshly extracted permanent mandibular molars were randomly divided into four groups: ProTaper Universal, K3, Mtwo system and control group...
October 2016: Nigerian Postgraduate Medical Journal
https://www.readbyqxmd.com/read/27994320/comparative-assessment-of-efficacy-of-two-different-pretreatment-single-oral-doses-of-betamethasone-on-inter-appointment-and-postoperative-discomfort-an-in-vivo-clinical-evaluation
#4
Hitesh Gyanani, Naveen Chhabra, Ghanshyam R Parmar
AIM: Study aimed to evaluate the efficacy of two different pretreatment single oral doses of betamethasone on the incidence of inter-appointment flare up and postoperative discomfort. MATERIALS AND METHODS: Fifty-four patients aged 18-59 years requiring endodontic treatment were selected and randomly assigned to three groups; single pretreatment oral dose of placebo or betamethasone in two different oral doses of 0.5 mg and 1 mg, respectively. Endodontic therapy was completed in two visits using triple antibiotic paste as intracanal medicament...
November 2016: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/27989581/influence-of-temperature-on-cyclic-fatigue-resistance-of-protaper-gold-and-protaper-universal-rotary-files
#5
Gianluca Plotino, Nicola M Grande, Montse Mercadé, Luca Testarelli, Gianluca Gambarini
INTRODUCTION: The aim of this study was to evaluate the cyclic fatigue resistance of ProTaper Universal (PTU; Dentsply Maillefer, Baillagues, Switzerland) and ProTaper Gold (PTG, Dentsply Maillefer) nickel-titanium rotary files at room and intracanal temperatures. METHODS: A total of 120 files were used to test the cyclic fatigue resistance of PTU (S1 and F2) and PTG (S1 and F2) in an artificial canal at room temperature (20°C) and at intracanal temperature (35°C)...
December 15, 2016: Journal of Endodontics
https://www.readbyqxmd.com/read/27982236/limewater-and-polymyxin-b-associated-with-naocl-for-endotoxin-detoxification-in-root-canal-with-necrotic-pulp
#6
Alessandra Sverberi Carvalho, Luciane Dias de Oliveira, Flávia Goulart da Rosa Cardoso, Felipe Eduardo de Oliveira, Marcia Carneiro Valera, Cláudio Antônio Talge Carvalho
This clinical study investigated the effects of endodontic treatment by using different irrigants (limewater + NaOCl and polymyxin B + NaOCl) and intracanal medication on endotoxins in teeth with primary endodontic infection and radiographically visible apical periodontitis. Thirty-three teeth with necrotic pulp and periapical lesions from different patients were selected for this study. Samples were collected after the coronal opening (S1) and after instrumentation (S2). Root canals were divided in 3 groups (n = 11) according to the irrigant combination used: NaOCl + LW: 2...
September 2016: Brazilian Dental Journal
https://www.readbyqxmd.com/read/27965505/apical-extrusion-of-intracanal-bacteria-following-use-of-two-engine-driven-instrumentation-techniques-an-in-vitro-study
#7
Niyaz Mohammed, M C Noushad, Biji Balan, N Dhanesh, Nishi Jayasheelan, Vanita D Revankar
AIM: The aim of the present study was to compare in vitro the amount of debris extruded apically from extracted teeth, using Twisted files and ProTaper rotary during two different instrumentation systems. MATERIALS AND METHODS: Forty-five human single-rooted mandibular premolar teeth were randomly divided into three groups and contaminated with Enterococcus faecalis. The teeth in experimental groups were instrumented until reaching the working length with ProTaper rotary instruments and Twisted files with XSmart and XSmart Dual groups...
November 1, 2016: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/27965485/effect-of-intracanal-cryotherapy-and-negative-irrigation-technique-on-postendodontic-pain
#8
Talal Al-Nahlawi, Talaat Abo Hatab, Mahmoud Abd Alrazak, Ahmad Al-Abdullah
AIM: To evaluate the effect of intracanal cryotherapy with negative pressure irrigation (EndoVac) on postendodontic pain after vital single-visit root canal treatment (RCT). MATERIALS AND METHODS: A total of 75 single-rooted teeth with single root canal were treated endodontically. After root canal preparation with Protaper Universal rotary system and irrigation, teeth were divided randomly into three groups (n = 25) according to additional irrigation protocol as follows: Group I: No additional irrigation was applied (control); group II: A 20 mL of room temperature saline was irrigated during 5 minutes using EndoVac, and group III: A 20 mL of 2 to 4°C cold saline was irrigated during 5 minutes using EndoVac...
December 1, 2016: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/27960049/effect-of-bisphosphonates-on-root-resorption-after-tooth-replantation-a-systematic-review
#9
Shariq Najeeb, Fahad Siddiqui, Zohaib Khurshid, Sana Zohaib, Muhammed Sohail Zafar, Shazia Akbar Ansari
BACKGROUND/AIM: Replantation of avulsed teeth may lead to root resorption. Bisphosphonates (BPs), a class of drugs of used to treat resorptive diseases of the bone such as osteoporosis and Paget's disease, have been observed to exert an anti-resorptive effect on periodontal bone as well. The anti-resorptive properties of BPs could prove them useful in preventing root resorption of replanted avulsed teeth. The aim of this systematic review was to analyze and summarise the currently available literature concerning the use of BPs in preventing root resorption of avulsed teeth...
December 13, 2016: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/27929924/effect-of-different-agitation-techniques-on-the-penetration-of-irrigant-and-sealer-into-dentinal-tubules
#10
Yu Gu, Hiran Perinpanayagam, David J W Kum, Yeon-Jee Yoo, Jin-Sun Jeong, Sang-Min Lim, Seok-Woo Chang, Seung-Ho Baek, Qiang Zhu, Kee-Yeon Kum
OBJECTIVE: The aim of this study was to compare the effectiveness of five intracanal agitation techniques on the penetration of irrigant and sealer into dentinal tubules. BACKGROUND DATA: Intracanal agitation techniques could promote chemomechanical debridement and the sealing of root canals during endodontic treatment. However, there is limited evidence for the agitation effect of Nd:YAP laser. MATERIALS AND METHODS: Human maxillary premolars with single straight canals (N = 60) were prepared with ProTaper Next(®) NiTi rotary files (Dentsply Maillefer) up to X4 (ISO 40 size)...
November 3, 2016: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/27882250/apical-revascularization-after-delayed-tooth-replantation-an-unusual-case
#11
Marília Pacífico Lucisano, Paulo Nelson-Filho, Lea Assed Bezerra Silva, Raquel Assed Bezerra Silva, Fabricio Kitazono de Carvalho, Alexandra Mussolino de Queiroz
The aim of this paper is to present the clinical and radiological outcome of the treatment involving a delayed tooth replantation after an avulsed immature permanent incisor, with a follow-up of 1 year and 6 months. An 8-year-old boy was referred after dental trauma that occurred on the previous day. The permanent maxillary right central incisor (tooth 11) had been avulsed. The tooth was hand-held during endodontic therapy and an intracanal medication application with calcium hydroxide-based paste was performed...
2016: Case Reports in Dentistry
https://www.readbyqxmd.com/read/27857818/influence-of-taper-of-root-canal-shape-on-the-intracanal-bacterial-reduction
#12
Mary Th Paraskevopoulou, Marouan G Khabbaz
OBJECTIVES: Taper is a factor that determines final root canal dimensions and consequently, the space available for the cleaning action of irrigants. Therefore, the aim of this study was to investigate the influence of taper on intracanal bacterial reduction. METHODS: Sterilized root canals of 25 mandibular incisors were inoculated with E. faecalis and then divided into two experimental groups and one control group (A= saline, B= NaOCl + EDTA and C= control, not prepared)...
2016: Open Dentistry Journal
https://www.readbyqxmd.com/read/27853346/comparison-of-antibacterial-effects-of-810-and-980-nanometer-diode-lasers-on-enterococcus-faecalis-in-the-root-canal-system-an-in-vitro-study
#13
Mohamad Asnaashari, Leila Tahmasebi Ebad, Shiva Shojaeian
Background and aim: Use of laser technology in endodontics has greatly increased in the recent years due to the introduction of new wavelengths and methods and optimal antimicrobial and smear layer removal properties of lasers. This in vitro study aimed to compare the antibacterial effects of diode lasers of 810 nm and 980 nm wavelength on Enterococcus faecalis (E. faecalis) biofilm in the root canal system. Materials and methods: Fifty single-canal human anterior teeth were cleaned, shaped, sterilized and randomly divided into four groups namely two experimental, one positive and one negative control group...
October 1, 2016: Laser Therapy
https://www.readbyqxmd.com/read/27811900/influence-of-a-polymerizable-eugenol-derivative-on-the-antibacterial-activity-and-wettability-of-a-resin-composite-for-intracanal-post-cementation-and-core-build-up-restoration
#14
(no author information available yet)
'...absence of any leachable antibacterial agent.'
November 4, 2016: British Dental Journal
https://www.readbyqxmd.com/read/27805887/successful-restoration-of-severely-mutilated-primary-incisors-using-a-novel-method-to-retain-zirconia-crowns-two-year-results
#15
Osama Ibrahim El Shahawy, Anne C O'Connell
AIM: This manuscript describes a simple reliable technique for restoring severely mutilated primary anterior teeth. A rigid glass ionomer post is created over which zirconia crowns can be fitted to achieve a long-term stable esthetic restoration for primary anterior teeth. STUDY DESIGN: Children aged 2-5 years with two up to six extensively decayed upper primary incisors were included. Fuji IX was condensed into an intracanal space created to a depth of 3mm, to provide a core which also extended 3mm supragingivally...
2016: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/27794147/antibacterial-efficacy-of-neem-azadirachta-indica-extract-against-enterococcus-faecalis-an-in-vitro-study
#16
Mohammed Mustafa
INTRODUCTION: Debridement and disinfection of the root canal is a crucial step in the success of endodontic treatment. Several antimicrobial agents alone or in combination are used to achieve this. The objective of this in vitro study was to assess the antimicrobial efficacy of neem (Azadirachta indica) extract against Enterococcus faecalis. MATERIALS AND METHODS: Neem leaf extract, 2% chlorhexidine, 3% sodium hypochlorite were used to assess the antimicrobial efficiency...
October 1, 2016: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/27790260/the-in-vitro-antibacterial-efficacy-of-persian-green-tea-extract-as-an-intracanal-irrigant-on-enterococcus-faecalis-biofilm
#17
Fatemeh Ramezanali, Shiva Samimi, Mohammadjavad Kharazifard, Farzaneh Afkhami
INTRODUCTION: The aim of this study was to compare the antibacterial effect of Persian green tea extract (GTE) and 2.5% sodium hypochlorite (NaOCl) against Enterococcus faecalis (E. faecalis) as an intracanal irrigant. METHODS AND MATERIALS: Thirty freshly extracted teeth were instrumented and sectioned into mesial and distal segments. The specimens were put into wells containing 2 mL of E. faecalis-containing medium. After 3 weeks, the specimens were removed and divided randomly into three groups (n=20)...
2016: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/27790252/antibacterial-efficacy-of-calcium-hydroxide-and-chlorhexidine-mixture-for-treatment-of-teeth-with-primary-endodontic-lesions-a-randomized-clinical-trial
#18
Zakiyeh Donyavi, Parastoo Ghahari, Mohammad Esmaeilzadeh, Mohammadjavad Kharazifard, Rasoul Yousefi-Mashouf
INTRODUCTION: This study compared the root canal microbial count of necrotic teeth after irrigation with 6% sodium hypochlorite (NaOCl) (single session treatment) and two-session root canal treatment with two-week application of calcium hydroxide (CH) mixed with 0.2% chlorhexidine (CHX) as intracanal medicament. METHODS AND MATERIALS: In this randomized clinical trial, single-rooted necrotic teeth were divided into two groups. Root canal was irrigated with 2 mL of 6% NaOCl in one group, and a mixture of 0...
2016: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/27789912/esthetic-intracanal-posts
#19
REVIEW
Ivana Parčina, Amižić, Anja Baraba
The primary function of an endodontic post is to provide retention for the core and enable full sealing of the coronal portion of the root canal. Traditionally used metal posts do not meet the requirements of modern dental medicine due to some fairly significant drawbacks such as color, corrosion potential, non-adhesive bonding and high modulus of elasticity which can lead to root fracture. Recently, esthetic ceramic and fiber reinforced posts have been manufactured in order to avoid such imperfections. Since much attention has been devoted to the esthetic aspects of dental medicine, the use of these posts with composite/ceramic cores is very common in restorative dentistry and it is actually becoming a standard...
June 2016: Acta Stomatologica Croatica
https://www.readbyqxmd.com/read/27776884/antimicrobial-activity-and-physicochemical-properties-of-calcium-hydroxide-pastes-used-as-intracanal-medication
#20
Rafaela Fernandes Zancan, Rodrigo Ricci Vivan, Marcelo Ribeiro Milanda Lopes, Paulo Henrique Weckwerth, Flaviana Bombarda de Andrade, José Burgos Ponce, Marco Antonio Hungaro Duarte
INTRODUCTION: The aim of the present study was to evaluate the pH, calcium release, solubility, and antimicrobial action against biofilms of calcium hydroxide + saline solution, Calen (SS White Artigos Dentários Ltd, Rio de Janeiro, Brazil) (CH/P), Calen camphorated paramonochlorophenol (CMCP) (CH/CMPC), and calcium hydroxide + chlorhexidine (CH/CHX) pastes. METHODS: The pH of the pastes was determined with a calibrated pH meter placed in direct contact with each paste...
December 2016: Journal of Endodontics
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