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Controversial endodontics

Victor Feliz Pedrinha, Juliana Melo da Silva Brandão, Oscar Faciola Pessoa, Patrícia de Almeida Rodrigues
Advances in endodontics have enabled the evolution of file manufacturing processes, improving performance beyond that of conventional files. In the present study, systems manufactured using state of the art methods and possessing special properties related to NiTi alloys ( i.e ., CM-Wire, M-Wire and R-Phase) were selected. The aim of this review was to provide a detailed analysis of the literature about the relationship between recently introduced NiTi files with different movement kinematics and shaping ability, apical extrusion of debris and dentin defects in root canal preparations...
2018: Open Dentistry Journal
Farnaz Jafari, Sanaz Jafari, Paria Etesamnia
An ideal endodontic sealer should have many properties such as excellent seal after setting, dimensional stability, slow setting time to ensure sufficient working time, insolubility to tissue fluids, adequate adhesion with canal walls and biocompatibility. Genotoxicity is one of the important factors that influence biocompatibility of an endodontic sealer. This literature review was conducted to survey the genotoxicity, bioactivity and clinical perspectives of calcium silicate based sealers. We searched PubMed using appropriate MeSH keywords...
2017: Iranian Endodontic Journal
Emmanuel João Nogueira Leal Silva, Gabriela Rover, Felipe Gonçalves Belladonna, Gustavo De-Deus, Cleonice da Silveira Teixeira, Tatiana Kelly da Silva Fidalgo
OBJECTIVE: This systematic review was performed to answer the following question: do contracted endodontic cavities (CECs) increase resistance to fracture in extracted human teeth compared to traditional endodontic cavities (TECs)? METHODS: A literature search without restrictions was carried out in PubMed, Science Direct, Scopus, Web of Science, and Open Grey databases. Articles were selected by two independent reviewers. In addition, a reference and hand search was also fulfilled...
January 2018: Clinical Oral Investigations
Zishan Dangra, Mahesh Gandhewar
The optimal way of restoring a non vital tooth with dowel-core technique has long been a controversial matter. The purpose of this review was to assess the factors that may influence the successful restoration of root filled teeth with root canal dowels. The first part of the review discusses indications and physical parameters of dowel. Searches were performed in PubMed/Medline database using single or combined key words to obtain the most relevant list of references. Articles selected in the search process were obtained from the journals and reviewed with every aspect of dowel system for reconstruction of endodontically treated teeth...
August 2017: Journal of Clinical and Diagnostic Research: JCDR
Daniel Chavarría-Bolaños, Laura Rodríguez-Wong, Danny Noguera-González, Vicente Esparza-Villalpando, Mauricio Montero-Aguilar, Amaury Pozos-Guillén
INTRODUCTION: The inferior alveolar nerve block (IANB) is the most common anesthetic technique used on mandibular teeth during root canal treatment. Its success in the presence of preoperative inflammation is still controversial. The aim of this study was to evaluate the sensitivity, specificity, predictive values, and accuracy of three diagnostic tests used to predict IANB failure in symptomatic irreversible pulpitis (SIP). METHODOLOGY: A cross-sectional study was carried out on the mandibular molars of 53 patients with SIP...
2017: Pain Research & Management: the Journal of the Canadian Pain Society
Myoung-Sang You, Dong-Young Kim, Kang-Min Ahn
OBJECTIVES: Idiopathic bone cavity (IBC) is an uncommon intra-osseous cavity of unknown etiology. Clinical features of IBC are not well known and treatment modalities of IBC are controversial. The purpose of this study was to investigate the clinical characteristics of 27 IBC patients who underwent surgical exploration. MATERIALS AND METHODS: A total of 27 consecutive patients who underwent surgery due to a jaw bone cavity from April 2006 to February 2016 were included in this study...
April 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
Maria Stella Moreira, Anuar Sadat Neres-Santiago Anuar, Tamara Kerber Tedesco, Marcelo Dos Santos, Susana Morimoto
INTRODUCTION: The effectiveness of endodontic treatment regarding the number of sessions to complete the therapy is still controversial. The aim of this study was to conduct an overview of published systematic reviews (SRs) comparing endodontic treatment in single and multiple visits. METHODS: A systematic search was performed in the electronic databases MEDLINE/PubMed and Cochrane Central Register of Controlled Trials until August 18, 2016, without language restriction...
June 2017: Journal of Endodontics
Zahed Mohammadi, Hamid Jafarzadeh, Sousan Shalavi, Jun-Ichiro Kinoshita
INTRODUCTION: The apical portion of the root canal is very complex and challenging during endodontic treatment. Root canal preparation and obturation to the apical constriction may provide the best prognosis. Incomplete debridement, foramen transportation, and inadequate seal in the apical portion are considered to be responsible for treatment failure. The technique "apical patency" is considered as a way for maintaining the apical part the free of the debris by recapitulation, using a small K-file through the area of the apical foramen...
April 1, 2017: Journal of Contemporary Dental Practice
Milad Altaii, Lindsay Richards, Giampiero Rossi-Fedele
BACKGROUND/AIM: The concept of regenerative endodontic procedures remains controversial. The aim of this study was to evaluate the histology of the tissues formed in immature animal teeth with necrotic and infected pulps after attempted endodontic regeneration procedures using different scaffolds. DESIGN: A systematic electronic literature search was performed in PubMed, Web of Science, Scopus, EMBASE, DOSS, and Cochrane Library databases. The terms used were a combination of the following: "immature permanent necrotic tooth or teeth" or "open apex or apices" and "regeneration or revitalization or revascularization" and "histology...
August 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
Giampiero Rossi-Fedele, Hany Mohamed Aly Ahmed
INTRODUCTION: The removal of obturation materials from the root canal system is a primary objective in root canal retreatment procedures. This systematic review aims to discuss the effectiveness of different instrumentation procedures in removing root-canal filling materials assessed by micro-computed tomography. METHODS: An electronic search in PubMed and major endodontic journals was conducted using appropriate key words to identify investigations that examined the effectiveness of obturation material removal assessed by micro-computed tomography...
April 2017: Journal of Endodontics
Amin Davoudi, Maryam Sanei, Hamid Badrian
Nowadays, lasers are widely used in many fields of medicine. Also, they can be applied at many branches of dental practice such as diagnosis, preventive procedures, restorative treatments, and endodontic therapies. Procedures like caries removal, re-mineralization, and vital pulp therapy are the most noticeable effects of laser irradiation which has gained much attention among clinicians. With controlled and appropriate wavelength, they can help stimulating dentinogenesis, controlling pulpal hemorrhage, sterilization, healing of collagenic proteins, formation of a fibrous matrix, and inducing hard tissue barrier...
2016: Open Dentistry Journal
Sang-Im Lee, Sun-Young Kim, Kyung-Ran Park, Eun-Cheol Kim
Baicalein is an active flavonoid extracted from the root of Scutellaria baicalensis that has anticancer and anti-inflammatory properties; its effects on osteoblastic and angiogenic potential are controversial. The aim of this study was to investigate the effects of baicalein on odontoblastic differentiation and angiogenesis and the underlying mechanism in human dental pulp cells (HDPCs). Baicalein (1-10[Formula: see text][Formula: see text]M) had no cytotoxic effects and promoted alkaline phosphatase (ALP) activity, mineralization assayed by Alizarin Red-S staining, and the mRNA expression of marker genes, in a concentration-dependent manner...
2016: American Journal of Chinese Medicine
G S Gill, A C Bhuyan, C Kalita, L Das, R Kataki, D Bhuyan
BACKGROUND: Apical periodontitis (AP) is one of the most prevalent diseases of the teeth. Treatment of AP is based on the removal of the cause, i.e., bacteria from the root canals. Achievement of adequate bacterial eradication in one appointment treatment remains a controversy. AIM: This prospective study was conducted with the objective to compare the periapical healing of teeth with AP treated in (a) single visit versus (b) two visits, either with or without Vitapex as an intracanal medicament...
January 2016: Annals of Medical and Health Sciences Research
Pooja Gupta Dudeja, Krishan Kumar Dudeja, Dhirendra Srivastava, Shibani Grover
There is no greater association between the basic science and the practice of endodontics than that of microbiology. One of the strongest factors contributing to the controversies often encountered in the endodontic field is the lack of understanding that the disease processes of the pulp and periradicular tissues generally have a microbiological etiology. The vast majority of diseases of dental pulp and periradicular tissues are associated with microorganisms. After the microbial invasion of these tissues, the host responds with both nonspecific inflammatory responses and with specific immunologic responses to encounter such infections...
September 2015: Journal of Oral and Maxillofacial Pathology: JOMFP
David Green, Louis Mackenzie, Avijit Banerjee
The assessment and operative long-term management of direct restorations is a complex and controversial subject in conservative dentistry. Employing a minimally invasive (MI) approach helps preserve natural tooth structure and maintain endodontic health for as long as possible during the restorative cycle. This paper discusses how minimally invasive techniques may be applied practically to reviewing, resealing, refurbishing, repairing or replacing deteriorating/failed direct coronal restorations (the'5 Rs') and provides an update of contemporary MI clinical procedures...
June 2015: Dental Update
Aishwarya Bhat, Syed Sirajuddin, Sandeep S Prabhu, Sachidananda Chungkham, Chandrasekhar Bilichodmath
The tooth, the pulp tissue within it and its supporting structures should be viewed as one biologic unit. The interrelationship of these structures influences each other during health, function and disease. The interrelationship between periodontal and endodontic diseases has aroused much speculation, confusion and controversy. The endodontium and periodontiumare closely related and disease or damage of one tissue may lead to the involvement of the other.
2015: Open Dentistry Journal
Marina Barbosa Mello Machado, Luis Fernando Dos Santos Alves Morgan, Giovana Mongruel Gomes, Walison Arthuso Vasconcellos, Fabiano Pereira Cardoso, Rodrigo de Castro Albuquerque
BACKGROUND: To assist the retention of restorations prepared in endodontically treated teeth, fiber posts are widely used in dental practice. The ideal time to prepare space for the post is still controversial. AIM: The purpose of this study was to evaluate the effects of immediate and delayed postspace preparation on the retention of the self-adhesive resin cement. MATERIALS AND METHODS: Twelve bovine teeth were used with sectioned roots standardized to 19 mm...
May 2015: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
J J Segura-Egea, J Martín-González, L Castellanos-Cosano
The prevalence of apical periodontitis (AP) in Europe has been reported to affect 61% of individuals and 14% of teeth, and increase with age. Likewise, the prevalence of root canal treatment (RCT) in Europe is estimated to be around 30-50% of individuals and 2-9% of teeth with radiographic evidence of chronic persistent AP in 30-65% of root filled teeth (RFT). AP is not only a local phenomenon and for some time the medical and dental scientific community have analysed the possible connection between apical periodontits and systemic health...
October 2015: International Endodontic Journal
Amir Ali Reza Khaledi, Shekufe Sheykhian, Arash Khodaei
STATEMENT OF THE PROBLEM: The survival of pulpless teeth restored with different post and core systems is still a controversial issue. PURPOSE: This study compared the retention of two different post and core systems and also the fracture resistance of teeth restored with these systems. MATERIAL AND METHOD: Eighty endodontically treated maxillary central incisors were sectioned perpendicular to the long axis at a point 2mm incisal to the cemento-enamel junction (CEJ) and then the root canals were obturated...
June 2015: Journal of Dentistry
Chenjiao Zhang, Jianrong Du, Zhixiang Peng
INTRODUCTION: The relationship between Enterococcus faecalis and pulpal or periradicular diseases has been studied for many years; however, whether E. faecalis is correlated with persistent intraradicular infections (teeth after failed endodontic treatments) compared with primary intraradicular infections remains controversial. The objective of this systematic review was to compare the prevalence of E. faecalis in primary and persistent intraradicular infections. METHODS: An exhaustive literature search combined with specified inclusion criteria was performed to collect all studies comparing the prevalence of E...
August 2015: Journal of Endodontics
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