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Root Canal treatment

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https://www.readbyqxmd.com/read/28332866/comparing-cone-beam-computed-tomography-with-periapical-radiography-for-assessing-root-canal-obturation-in-vivo-using-microsurgical-findings-as-validation
#1
Dongzhe Song, Lan Zhang, Wei Zhou, Qinghua Zheng, Xingyu Duan, Xuedong Zhou, Dingming Huang
OBJECTIVES: The aim of this study was to verify whether there is a difference in the in vivo performance characteristics of CBCT and periapical radiography (PR) in assessing the apical extension of root canal obturation (RCO) and to evaluate the ability of CBCT in void detection using microsurgical findings as validation. METHODS: This study included 323 tooth roots that required surgical treatment and for which pre-existing periapical radiographs and CBCT images were available...
March 23, 2017: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/28326931/overexpression-of-suppressor-of-cytokine-signaling-3-in-dorsal-root-ganglion-attenuates-cancer-induced-pain-in-rats
#2
Jinrong Wei, Meng Li, Dieyu Wang, Hongyan Zhu, Xiangpeng Kong, Shusheng Wang, You-Lang Zhou, Zhong Ju, Guang-Yin Xu, Guo-Qin Jiang
Background Cancer-induced pain (CIP) is one of the most severe types of chronic pain with which clinical treatment remains challenging and the involved mechanisms are largely unknown. Suppressor of cytokine signaling 3 (SOCS3) is an important intracellular protein and provides a classical negative feedback loop, thus involving in a wide variety of processes including inflammation and nociception. However, the role of SOCS3 pathway in CIP is poorly understood. The present study was designed to investigate the role of SOCS3 in dorsal root ganglion (DRG) in the development of CIP...
January 2017: Molecular Pain
https://www.readbyqxmd.com/read/28326732/-three-dimensional-finite-element-analyses-of-the-deep-wedge-shaped-defective-premolars-restored-with-different-methods
#3
Zhao Ling, Yang Liyuan, Liu Cuiling, Gao Xu
OBJECTIVE: The objective of this paper is to analyze the stress distribution in the deep wedge-shaped defective mandibular first premolars restored with different methods. METHODS: Three-dimensional finite element models of mandibular first premolar with deep wedge-shaped defect were created. The model, which was untreated after root canal treatment, served as the control group. Then, according to different treatment designs, four experimental groups were established as follows: resin filling (A), post restoration after resin filling (B), crown restoration after resin filling (C), and post and crown restoration after resin filling (D)...
February 1, 2017: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28326697/-cause-and-regulation-of-pain-during-root-canal-therapy
#4
Wu Buling, Liu Zhao
In stomatology, root canal therapy is a commonly used and effective treatment for dental pulp diseases and periapical diseases. However, pain may occur during or after treatment and may severely affect patients. This article aimed to analyze the mechanism and cause of pain during root canal therapy, which may reduce or relieve pain.
October 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28321890/a-training-model-for-revitalisation-procedures
#5
M Widbiller, S Ducke, A Eidt, W Buchalla, K M Galler
AIM: To develop an inexpensive simulation model for training of revitalisation procedures. METHODOLOGY: A replica of an immature maxillary central incisor was equipped with a mock blood reservoir at the root apex and embedded in a plaster model. Mock blood consisted of water supplemented with red pigments and fibrinogen, while thrombin was inserted into the root canal to allow for clot formation. RESULTS: A true-to-life training model for revitalisation procedures was established, where the induction of bleeding and formation of a blood clot can be mimicked...
March 21, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28320541/comparative-evaluation-of-premedication-with-ketorolac-and-prednisolone-on-postendodontic-pain-a-double-blind-randomized-controlled-trial
#6
R Praveen, Sophia Thakur, M Kirthiga
INTRODUCTION: The present clinical trial aimed to evaluate and compare the effect of a single pretreatment dose of ketorolac (20 mg), prednisolone (30 mg), and placebo on postendodontic pain in patients undergoing endodontic therapy for irreversible pulpitis or pulpal necrosis using a visual analog scale. METHODS: Ninety-two subjects were included in the present trial; 46 subjects had a pulpal diagnosis of irreversible pulpitis, and the other 46 had pulpal necrosis...
March 17, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28318161/-clinical-comparative-study-on-the-efficacy-of-periodontal-endodontic-therapy-and-periodontal-treatment-alone-for-advanced-periodontitis
#7
Tan Baochun, Xiao Jianping, Yan Fuhua, Huan Hong
OBJECTIVE: This study aimed to explore the period of endodontic treatment and the effects of periodontal-endodontic treatment for advanced periodontitis. METHODS: A total of 180 patients with advanced periodontitis participated in this clinical multicenter study. The respondents were randomly divided into an endodontic combined treatment (experimental) group and a periodontal treatment alone (control) group; each group consisted of 90 teeth. The control group received periodontal therapy only...
December 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28317827/-direct-restoration-of-the-tooth-crown-using-various-core-build-up-materials
#8
L N Maksimovskaya, V A Krutov, P V Kuprin, M A Kuprina
The aim of the study was to assess direct restorations mechanical properties (both in vitro and in vivo) to improve dental restorations quality after root canal treatment. Laboratory tests showed that using nanocomposite materials of dual curing with the fiberglass reinforced posts improves restoration strength in endodontically treated teeth: by 3.9±5.8% in class II Peroz restorations, 12.6±5.9 and 24.2±4.2% in class III and IV, correspondently. Using fiberglass reinforced posts (LuxaPost) for the restoration of the tooth crown after endodontic treatment significantly decreases the number of complications associated with marginal leakage of the restoration during first 2 years after treatment (p<005)...
2017: Stomatologii︠a︡
https://www.readbyqxmd.com/read/28317353/-clinical-application-on-restoration-of-dentition-defects-using-tooth-alveolar-bone-grafts
#9
Chen Zhifang, Zhang Wei
OBJECTIVE: To evaluate the clinical effectiveness of tooth-alveolar bone grafts in repairing dentition defects. METHODS: Forty-five patients with dentition defect were divided into two groups according to different operation methods. In group A (n=24), the tooth-alveolar bone grafts of the transplanted tooth and its surrounding alveolar bone were cut using modified surgical orthodontics and then embedded into the designated planting hole. In group B (n=21), the teeth were extracted through conventional tooth transplantation and then embedded into the prepared planting holes...
August 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28316949/evaluation-of-the-role-of-probiotics-in-endodontic-treatment-a-preliminary-study
#10
Aarti Bohora, Sharad Kokate
AIMS AND OBJECTIVES: The principal goal of endodontics is the prevention of periapical infection. Acute and chronic apical periodontitis occur due to the persistence of pathogenic microorganisms such as Enterococcus faecalis and Candida albicans harboring the root canal systems of the teeth. The concept of the use of probiotics in addressing endodontic disease is new and has not been studied adequately. On the basis of the success of probiotics in periodontal treatment, this preliminary work was performed (a) to evaluate the antibacterial efficacy of probiotics against common endodontic pathogens, i...
January 2017: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/28316625/microbiological-study-of-cast-posts-before-cementation
#11
Maricela Vallejo-Labrada, Juan Carlos Ojeda-Garces
This study identifies the most common microorganisms present in type III gold cast posts related to pulpal disease and evaluates the sterilization/disinfection method before cementation in the root canal. Forty-five type III gold cast posts were aseptically collected in sterile sealed plastic bags and taken to the microbiology laboratory to carry out the study: fifteen cast posts had no treatment, fifteen were disinfected (immersion in 70% alcohol during 15 minutes), and fifteen were autoclaved at 121°C for 15 minutes by using saturated steam under 15 psi pressure...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28306163/an-update-of-dens-invaginatus-in-the-diagnosis-and-treatment
#12
REVIEW
Jingjing Zhu, Xinhuan Wang, Yanjun Fang, Johannes W Von den Hoff, Liuyan Meng
Dens invaginatus is a malformation with varying anatomical features, posing challenges to treatment. Early and accurate diagnosis plays a significant role in selecting the appropriate treatment. The diagnosis of teeth with a complex root canal system including dens invaginatus has made progress with the application of three-dimensional imaging techniques in endodontics. Advanced treatment options provide hope for teeth that could not be saved before. This review discusses diagnostic methods and treatment options for teeth with dens invaginatus, and provides guidelines for the management of dens invaginatus cases in clinic...
March 17, 2017: Australian Dental Journal
https://www.readbyqxmd.com/read/28301009/survival-and-factors-associated-with-failure-of-pulpectomies-performed-in-primary-teeth-by-dental-students
#13
Juliane Priscila Brustolin, Adriela Azevedo Souza Mariath, Thiago Machado Ardenghi, Luciano Casagrande
Although endodontic treatment is widely recommended for compromised dental pulp, there is no information regarding the factors associated with failures in primary teeth. The aim of this study was to evaluate the survival and factors associated with failure of pulpectomies performed in primary teeth by dental students. The sample comprised patients treated at a University Dental Service and required endodontic treatment in primary teeth. The study investigated treatment-related variables and patient factors potentially associated with treatment failure...
January 2017: Brazilian Dental Journal
https://www.readbyqxmd.com/read/28298991/fracture-resistance-of-endodontically-treated-teeth-with-different-direct-corono-radicular-restoration-methods
#14
Horieh Moosavi, Safora Afshari, Fatemeh Manari
BACKGROUND: Endodontically treated teeth are widely considered to be more susceptible to fracture than vital teeth. Obturation procedures and post placement have been a main cause of vertical root fracture. MATERIAL AND METHODS: Forty-eight human premolars with standardized weakened roots were endodontically treated and allocated to four experimental groups (n=12). After root canal treatment, in group 1, fiber posts #1 were cemented in root canals using Estelite Core Quick, and the crowns were restored with resin composite...
March 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28298989/effects-of-different-intra-canal-medicaments-on-the-push-out-bond-strength-of-endodontic-sealers
#15
Sahar Shakouie, Shahriar Shahi, Mohammad Samiei, Amin-Salem Milani, Mohammad-Frough Reyhani, Sara Paksefat, Mahsa Eskandarinekhad, Negin Ghasemi
BACKGROUND: One of the essential properties of the root canal sealers is the adhesion to root canal dentin and their higher bond strength decreases the microleakage. The aim of the present study was to compare the effect of Different Intracanal medicaments on the push out bond strength of AH26 and MTA Fillapex sealers. MATERIAL AND METHODS: A total of 104 one-rooted extracted human teeth were divided into 4 (n=26) experimental groups. After the cleaning and shaping, the root canals were filled with Ca(OH)2, triantibiotic paste (TAP), Metapex or 2% chlorhexidine gel for two weeks...
March 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28298973/effect-of-different-mixing-and-placement-methods-on-the-quality-of-mta-apical-plug-in-simulated-apexification-model
#16
Negin Ghasemi, Maryam Janani, Tahmineh Razi, Faezeh Atharmoghaddam
BACKGROUND: It is necessary apical plug material to exhibit proper adaptation with the root canal walls. Presence of voids at the interface between the root canal wall and this material result in micro leakage, which might have a relationship with post treatment disease. The aim of the present study was to evaluate the effect of different mixing (manual and ultrasonic) and placement (manual and manual in association with indirect ultrasonic) method of Mineral Trioxide Aggregate (MTA) on the void count and dimension in the apical plug in natural teeth with simulated open apices...
March 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28294706/histopathological-microbiological-and-radiographic-analysis-of-antimicrobial-photodynamic-therapy-for-the-treatment-of-teeth-with-apical-periodontitis-a-study-in-rats-molars
#17
Alessandra Cesar Trindade, José Antônio Poli de Figueiredo, Sílvia Dias de Oliveira, Valdir Cristóvão Barth Junior, Stephanie Wagner Gallo, Carina Follmann, Carlos Frederico Brilhante Wolle, Liviu Steier, Renata Dornelles Morgental, João Batista Blessmann Weber
OBJECTIVE: The aim of this study was to evaluate in vivo, by histological and radiographic analysis, the response of apical tissues of rats' teeth with experimentally induced apical periodontitis, after one- and two-session endodontic treatment with and without photodynamic therapy (PDT). A microbiological analysis was also performed to verify bacterial reduction after each treatment. BACKGROUND DATA: Studies carried out in recent years highlighted the antibacterial potential of PDT when associated with conventional endodontic therapy in vitro...
March 9, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28294592/comparison-of-two-cone-beam-computed-tomography-systems-in-the-visualization-of-endodontic-structures
#18
Sabrina Strobel, Evelyn Lenhart, Johann P Woelber, Jonathan Fleiner, Christian Hannig, Karl-Thomas Wrbas
An important part of endodontic diagnosis and treatment is the adequate visualization of root canal anatomy. The objective of the present study was to compare two different three-dimensional cone-beam computed tomography (CBCT) systems, Scanora 3D and 3D Accuitomo 170, with respect to their visualization of endodontic canal systems and potential pathological alterations. Seventy extracted human teeth were investigated with regard to the radiographic detection of number of root canals, lateral canals, root canal fillings and posts, vertical root fractures, and the occurrence of image artifacts...
2017: Swiss Dental Journal
https://www.readbyqxmd.com/read/28294354/a-prospective-study-assessing-the-effect-of-coronal-tooth-structure-loss-on-the-outcome-of-root-canal-retreatment
#19
N Al-Nuaimi, S Patel, R S Austin, F Mannocci
AIM: To evaluate the outcome of secondary root canal treatment (retreatment) on posterior teeth in relation to the residual volume of coronal tooth structure, measured with an intraoral scanner, using periapical radiography and cone beam computed tomography (CBCT). METHODOLOGY: A total of 137 posterior teeth in 121 patients were assessed clinically and radiographically using periapical radiographs and CBCT scans at baseline and 1-year after root canal retreatment...
March 10, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28294199/management-of-an-immature-partially-necrotic-permanent-molar-by-pulp-revascularization-%C3%A2-two-year-follow-up
#20
Julian Schmoeckel, Mhd Said Mourad, Christian H Splieth, Ruth M Santamaria
Root canal treatment of immature teeth is considered a great challenge for both the dentist and the patient. The thinness of the root canals walls and the lack of an apical barrier leads to unpredictable treatment results. Revascularization is a novel promising treatment option in the field of regenerative endodontics for management of immature necrotic permanent teeth. This case presents a successful treatment of an 8-year-old patient with a partially necrotic, immature permanent mandibular right first molar pulp by revascularization...
March 14, 2017: Quintessence International
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