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Root Canal treatment

Zhejun Wang, Ya Shen, Markus Haapasalo
INTRODUCTION: Conventional endodontic treatment includes instrumentation of the canals in most cases to size #25/.06 or larger, which changes the original canal wall anatomy. In recent years, energy-driven equipment, such as photon-induced photoacoustic streaming (Fotona LLC, Dallas, TX) and a multisonic GentleWave system (Sonendo Inc, Laguna Hills, CA), have been introduced to facilitate cleaning of minimally instrumented canals or even uninstrumented canals. The purpose of this study was to examine root canal wall anatomy in premolar teeth cleaned by a noninstrumentation method after #10 K-file patency examination...
March 14, 2018: Journal of Endodontics
Umut Aksoy, Kaan Orhan
OBJECTIVES: This study aimed to assess the maxillary sinus mucosal thickening and to associate them with odontogenic conditions using cone-beam computed tomographic (CBCT) images. MATERIALS AND METHODS: CBCT images of 294 patients (143 female, 151 males; age range 18-78 years) with 588 maxillary sinuses were evaluated retrospectively. The anatomic relationship between maxillary sinuses and teeth was determined and classified. The presence of root canal fillings and the periapical lesions of these teeth was also recorded...
March 17, 2018: Clinical Oral Investigations
Mothanna K AlRahabi, Hani M Ghabbani
Bisphosphonates are stable structural analogs of pyrophosphate, which suppress the activity of osteoclasts, leading to decreased bone resorption. They are essential medications in the treatment of osteoporosis. Osteonecrosis of the jaw is a serious adverse effect of bisphosphonate therapy. The prevalence of bisphosphonate-related osteonecrosis of the jaw varies from 0% to 28%, and it can be triggered by dental extraction and trauma. Root canal therapy can delay, or even eliminate, the need for tooth extraction, and therefore, may reduce the risk of bisphosphonate-related osteonecrosis of the jaw...
March 2018: Saudi Medical Journal
Youngil Kwon, Hyunjung Ko, Soojung Kim, Miri Kim
BACKGROUND/AIM: Continuous research efforts have been focusing on promoting healing of delayed replantation of avulsed teeth. The aim of this in vivo study was to assess the effect of cathepsin K inhibitor surface treatment on delayed tooth replantation.Materials and Methods Thirty-four premolar roots of four beagle dogs were extracted and conventional root canal treatment was performed. The canals were filled with gutta-percha and cement. All extracted teeth were air-dried for 1 h. Teeth were divided into two groups according to the root surface treatment prior to replantation: control (n = 13) and cathepsin K inhibitor (n = 21)...
March 13, 2018: Dental Traumatology: Official Publication of International Association for Dental Traumatology
Feng Yang, Ming-Sheng Tan, Ping Yi, Xiang-Sheng Tang, Qing-Ying Hao, Ying-Na Qi
OBJECTIVE: To compare the clinical effect between spinal card decompression combined with traditional Chinese medicine and simple spinal card decompression for cervical spondylotic myelopathy. METHODS: From June 2012 to June 2015, 73 patients with cervical spondylotic myelopathy were treated, including 42 males and 31 females, aged from 29 to 73 years old with a mean of 50.9 years old. The patients were divided into the simple operation group (34 cases) and the operation combined with traditional Chinese medicine group(39 cases) according to the idea of themselves...
January 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
Nova Nexhmije Ajeti, Teuta Pustina-Krasniqi, Sonja Apostolska
OBJECTIVES: During the treatment of chronic apical periodontitis and pulp necrosis the main role is to irrigate the root canal. AIM: The aim of this in vivo study was to irrigate with 0.9% NaCl (Natrium Chloride), 2.5 % NaOCl (Sodium Hypochlorite Solution, Sigma Aldrich - Germany) and 2% CHX (Chlorhexidine Digluconate Solution, Sigma Aldrich - Spain) combined with Gaseous Ozone (Prozone WH, Austria). MATERIAL AND METHODS: This study was realised in the University Dentistry Clinical Centre of Kosovo (UDCCK), respectively in the Department of Endodontic and Dental Pathology, Dental Branch, Faculty of Medicine, Prishtina, Kosovo...
February 15, 2018: Open Access Macedonian Journal of Medical Sciences
Merete Markvart, Helena Fransson, Lars Bjørndal
OBJECTIVE: The aim of this study was to re-assess the adoption of certain endodontic technology and central treatment principles of root canal treatments as advocated by guidelines presented by the European Society of Endodontology. MATERIAL AND METHODS: The questionnaire included the same questions in 2003 and 2013. The general dental practitioners (GDPs) anonymously reported how frequent ('often', 'occasionally', and 'never') they used certain endodontic technology and adhered to central treatment principles...
March 9, 2018: Acta Odontologica Scandinavica
A R Tuncdemir, E B Buyukerkmen, H Celebi, A Terlemez, Y Sener
Context: Bond strength of fiber posts. Aims: The purpose of this study was to evaluate the effect of different Post Surface treatment techniques on the push-out bond strength of the quartz fiber posts. Subjects and Methods: A total of 30 maxillary central incisors were decoronated at cementoenamel junction. Root canals were filled and postspaces were prepared. The specimens were classified into three groups according to the surface treatment performed to the postsurface (n = 10) as no surface treatment (control group) (Group 1), A 50-μm aluminum-oxide airborne-particle abrasion group (Group 2), femtosecond laser (FS) group (Group 3)...
March 2018: Nigerian Journal of Clinical Practice
Chengjun Sun, Jicheng Sun, Minmin Tan, Bo Hu, Xiang Gao, Jinlin Song
OBJECTIVES: The aims of this systematic review were to compare the incidence and intensity of postoperative pain after single-visit root canal treatment using manual, rotary and reciprocating instruments. METHODS: An extensive literature search in PubMed, EMBASE, Cochrane Library, and Web of Science was performed to identify investigations that evaluated the effects of different instruments on post-endodontic pain. Meta-analyses and additional analyses, including subgroup and sensitivity analyses, were conducted...
March 7, 2018: Oral Diseases
Thaís Emanuelle Bakaus, Yançanã Luizy Gruber, Alessandra Reis, Osnara Maria Mongruel Gomes, Giovana Mongruel Gomes
The aim of this study was to compare in vitro the bond strength (BS) between fiberglass posts and flared root canals reinforced with different materials. The roots of 48 premolars were endodontically treated. After one week, the root canals were prepared to simulate an oversized root canal, except for the positive control group (PCG), which was cemented with a prefabricated fiber post (PFP) compatible with the root canal size, simulating an ideal adaptation. The other samples (n=8/group) were used to test alternative restorative techniques for filling root canals: negative control group (NCG [PFP with a smaller diameter than of the root canal]), composite resin group - CRG, bulkfill group - BFG, self-adhesive cement group - SAG, and glass ionomer group - GIG...
March 1, 2018: Brazilian Oral Research
Daniela Atili Brandini, Marina Fuzette Amaral, Caio Vinícius Lourenço Debortoli, Sônia Regina Panzarini
The aim of this study is to evaluate the action of paramonochlorophenol associated with Furacin followed by calcium hydroxide (CH) dressing in the control of inflammatory root resorption in cases of immediate tooth replantation with delayed endodontic treatment. A total of 28 incisors of 3 male dogs were extracted and replanted after 15 minutes, and randomly divided into 3 groups: Group I (n = 8) - endodontic treatment was performed before the extraction and replantation; Group II (n = 10) - endodontic treatment was performed 30 days after replantation and the root canal was filled with CH dressing; Group III (n = 10) - endodontic treatment was performed 30 days after replantation and root canals received temporary medication of paramonochlorophenol-Furacin followed by CH dressing...
March 1, 2018: Brazilian Oral Research
Karen G Karakov, Kristina S Gandylyan, Emiliya E Khachaturyan, Tatyana N Vlasova, Artur V Oganyan, Alla V Eremenko
BACKGROUND: The article describes the results of research on efficiency of using antimicrobial photodynamic therapy in treatment of chronic periodontitis. METHODS: 88 root canals in 84 patients were examined and treated. The diagnosis of chronic apical periodontitis was made based on anamnesis, data of clinical and instrumental examination, assessment of X-ray images. Patients were randomly selected to comply with the purity of the experiment. RESULTS: It was found that the use of antimicrobial photodynamic therapy leads to a reduction of medical cases accompanied by pain reaction after a one-stage treatment of chronic periodontitis when compared with data of the patients treated with calcium hydroxide preparation...
February 2018: Journal of the National Medical Association
András Forster, Gábor Braunitzer, Máté Tóth, Balázs P Szabó, Márk Fráter
PURPOSE: Molar MOD (mesial-occlusal-distal) cavity preparation weakens relative cuspal stiffness by up to 63%, often resulting in cuspal fracture. This investigation inspects fracture resistance of MOD cavities restored using direct composite restoration. MATERIALS AND METHODS: 120 extracted, intact mandibular molars were selected. MOD cavities with different depth/wall thickness were prepared in 9 groups (n = 12): A: 3 mm/3.5 mm, B: 3 mm/2.5 mm, C: 3 mm/1.5 mm, D: 5 mm/3...
March 5, 2018: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
A C S Marinho, T T To, R P Darveau, B P F A Gomes
AIM: To investigate the influence of auxiliary chemical substances (ACS) and calcium hydroxide [Ca(OH)2 ] dressings on LPS/lipid A detection and its functional ability in activating Toll-like receptor 4 (TLR4). METHODOLOGY: Fusobacterium nucleatum pellets were exposed to antimicrobial agents as following: 1) ACS: 5.25%, 2.5% and 1% sodium hypochlorite solutions (NaOCl), 2% chlorhexidine (CHX) (gel and solution) and 17% ethylenediaminetetraacetic acid (EDTA); 2) Intracanal medicament: Ca(OH)2 paste for various periods (1h, 24h, 7 days, 14 days and 30 days); 3) Combination of substances: a) 2...
March 5, 2018: International Endodontic Journal
M Durski, M Metz, G Crim, S Hass, R Mazur, S Vieira
The purpose of this study was to evaluate the push-out bond strength of two different adhesive cements (total etch and self-adhesive) for glass fiber post (GFP) cementation in simulated, long-term service (thermocycling) when the root canal is treated with chlorhexidine before cementation. One hundred twenty premolar specimens with a single root canal were selected, endodontically treated, and shaped for GFP cementation (n=120). The specimens were randomly placed into one of 12 groups (10 specimens each) according to cement (T = total-etch RelyX ARC or S = self-adhesive RelyX Unicem), treatment with chlorhexidine (N or Y: without or with), and number of thermal cycles (00, 20, or 40: 0, or 20,000 or 40,000 cycles): 1...
March 2018: Operative Dentistry
Georgios S Chatzopoulos, Vasiliki P Koidou, Scott Lunos, Larry F Wolff
OBJECTIVES: To assess and compare the survival rates of implant and root canal treatment as well as to investigate the effect of patient and tooth related variables on the treatment outcome in a large-scale population-based study. METHODS: Dental records of patients who received root canal treatment and implant therapy were retrieved from the electronic records of the University of Minnesota School of Dentistry. Demographic characteristics, dental insurance status, socioeconomic status as well as medical history and tobacco use were recorded...
February 27, 2018: Journal of Dentistry
Adriana D Cruz, Maria Cn Castro, Marcelo F Aguiar, Ludmilla S Guimarães, Cinthya C Gomes
OBJECTIVES: To assess the radiographic appearances of the endodontic treatment in different room lighting conditions and image display devices. METHODS: After approval by Research Ethical Board, 20 images were obtained from blocks with one endodontically treated tooth. The 20 endodontic treatments were made in the laboratory, of those randomly selected, 10 teeth (50% of sample) received some quality defect in three parameters as apical limit, adaptation to root canal and homogeneity of the root canal filling material...
March 1, 2018: Dento Maxillo Facial Radiology
Selen Küçükkaya Eren, Emel Uzunoğlu, Banu Sezer, Zeliha Yılmaz, İsmail Hakkı Boyacı
Objectives: This study aimed to introduce the use of laser-induced breakdown spectroscopy (LIBS) for evaluation of the mineral content of root canal dentin, and to assess whether a correlation exists between LIBS and scanning electron microscopy/energy dispersive spectroscopy (SEM/EDS) methods by comparing the effects of irrigation solutions on the mineral content change of root canal dentin. Materials and Methods: Forty teeth with a single root canal were decoronated and longitudinally sectioned to expose the canals...
February 2018: Restorative Dentistry & Endodontics
Maryam Pourhajibagher, Abbas Bahador
BACKGROUND: It is essential to identify the root canal microbial diversity and count due to the polymicrobial nature of the primary endodontic infection that is associated with the microbial diversity and increased resistance to the antimicrobial agents. Photo-activated disinfection (PAD), also known as antimicrobial photodynamic therapy, is a new promising non-antibiotic approach, studied to prevent microbial resistance and treatment failure. MATERIALS AND METHODS: In this study, we investigated the effect of PAD on reduction of microbial diversity and count, related with primary endodontic infections...
February 24, 2018: Photodiagnosis and Photodynamic Therapy
M M Zhang, Y D Zheng, Y H Liang
OBJECTIVE: To present a prognostic model for evaluating the outcome of root canal treatment in teeth with pulpitis or apical periodontitis 2 years after treatment. METHODS: The implementation of this study was based on a retrospective study on the 2-year outcome of root canal treatment. A cohort of 360 teeth, which received treatment and review, were chosen to build up the total sample size. In the study, 143 teeth with vital pulp and 217 teeth with apical periodontitis were included...
February 18, 2018: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
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