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Massimo Del Fabbro, Stefano Corbella, Patrick Sequeira-Byron, Igor Tsesis, Eyal Rosen, Alessandra Lolato, Silvio Taschieri
BACKGROUND: When primary root canal therapy fails, periapical lesions can be retreated with or without surgery. Root canal retreatment is a non-surgical procedure that involves removal of root canal filling materials from the tooth, followed by cleaning, shaping and obturating of the canals. Root-end resection is a surgical procedure that involves exposure of the periapical lesion through an osteotomy, surgical removal of the lesion, removal of part of the root-end tip, disinfection and, commonly, retrograde sealing or filling of the apical portion of the remaining root canal...
October 19, 2016: Cochrane Database of Systematic Reviews
Federico Gelpi, Daniele De Santis, Simone Marconcini, Francesco Briguglio, Marco Finotti
This clinical report illustrates a multidisciplinary approach for the rehabilitation of a young adult patient affected by a bilateral edentulous space and an anterior deep bite. The patient required orthodontics and surgical corticotomy and implantology (both performed with a piezo device). A multidisciplinary planning approach, including orthodontics, oral and periodontic surgery, and restorative dentistry, has an important role in the final outcome of treatment. In fact a dental class I occlusion has been established only on the right side...
December 2015: Int J Implant Dent
Maciej Janeczek, Piotr Kosior, Dagmara Piesiak-Pańczyszyn, Krzysztof Dudek, Aleksander Chrószcz, Agnieszka Czajczyńska-Waszkiewicz, Małgorzata Kowalczyk-Zając, Aleksandra Gabren-Syller, Karol Kirstein, Aleksandra Skalec, Ewelina Bryła, Maciej Dobrzyński
Measurements of the root canal during endodontic treatment have a significant influence on the course of the therapeutic process as well as on its final result in both human and veterinary medicine. The apical constriction should be the termination point for the preparation and filling of the root canal. This research was conducted with the use of a Septodont kit consisting of a small chamber filled with the examined solution in which a healthy second incisor was placed. The step back method was applied for the root canal preparation and master apical file of 30 was used...
2016: BioMed Research International
Li-Wan Lee, Ya-Ling Lee, Sheng-Huang Hsiao, Hung-Pin Lin
BACKGROUND/PURPOSE: Bacteria in the tooth root canal may cause apical periodontitis. This study examined the bacterial species present in the apical root canal of teeth with apical periodontitis. Antibiotic sensitivity tests were performed to evaluate whether these identified bacterial species were susceptible to specific kinds of antibiotics. METHODS: Selective media plating and biochemical tests were used first to detect the bacterial species in samples taken from the apical portion of root canals of 62 teeth with apical periodontitis...
October 10, 2016: Journal of the Formosan Medical Association, Taiwan Yi Zhi
J A Baart, J F L Bosgra
A dentist is expected to be able to recognise and treat pain originating from the teeth. When dealing with short-term, acute pain, the cause can sometimes be found quickly, while this can be much harder in the case of chronic pain. Especially in this latter category, one should be even more careful in diagnostics and choose reversible treatments when possible. A focused anamnesis, a pain journal and trial local anaesthesia can help to identify the suspected cause of the pain. Careful extra- and intraoral examination is needed to reach a proper diagnosis...
October 2016: Nederlands Tijdschrift Voor Tandheelkunde
Maryam Pourhajibagher, Nasim Chiniforush, Roghayeh Ghorbanzadeh, Abbas Bahador
BACKGROUND: Photo-activated disinfection (PAD) is a novel treatment approach, in which bacteria in the root canal system may be exposed to sub-lethal doses of PAD. Such exposure can affect bacterial survival and virulence features, such as biofilm formation ability. The aim of this study was to evaluate the effects of sub-lethal doses of PAD (sPAD) using indocyanine green (ICG) on load and biofilm formation ability of Porphyromonas gingivalis as an anaerobic bacterium associated with endodontic infection...
October 12, 2016: Photodiagnosis and Photodynamic Therapy
Christian Wehner, Klara Janjić, Hermann Agis
Plasmin is a proteolytic enzyme that is crucial in fibrinolysis. In oral tissues, the plasminogen system plays an essential role in physiological and pathological processes, which in addition to fibrinolysis include degradation of extracellular matrix, inflammation, immune response, angiogenesis, tissue remodeling, cell migration, and wound healing. Oral tissues reveal a change in the plasminogen system during pathological processes such as periodontitis, peri-implantitis, or pulpitis, as well as in response to mechanical load...
October 5, 2016: Archives of Oral Biology
Pauline M Lang, Rogério C Jacinto, Tatiane S Dal Pizzol, Maria Beatriz C Ferreira, Francisco Montagner
Infected root canal or acute apical abscess exudates can harbour several species, including Fusobacterium, Porphyromonas, Prevotella, Parvimonas, Streptococcus, Treponema, Olsenella and not-yet cultivable species. A systematic review and meta-analysis was performed to assess resistance rates to antimicrobial agents in clinical studies that isolated bacteria from acute endodontic infections. Electronic databases and the grey literature were searched up to May 2015. Clinical studies in humans evaluating the antimicrobial resistance of primary acute endodontic infection isolates were included...
September 30, 2016: International Journal of Antimicrobial Agents
Shin Hye Chung, Young-Seok Park, Kwang-Shik Bae, Seung-Ho Baek, Kee-Yeon Kum, Woocheol Lee, Won-Jun Shon
Endodontic implant pathology (EIP) refers to cases in which endodontic infections cause infections in adjacent implants, and vice versa. This case report demonstrates the successful resolution of two types of EIPs, implant endodontitis and endodontic implantitis, by endodontic intervention with surgical treatment. In case 1, the patient complained of tooth discomfort after implant placement in the adjacent tooth. The tooth was sensitive to percussion and showed slight mobility with a negative reaction to an electric pulp test...
November 2016: International Journal of Periodontics & Restorative Dentistry
Letícia Maria Menezes Nóbrega, Francisco Montagner, Adriana Costa Ribeiro, Márcia Alves Pinto Mayer, Brenda Paula Figueiredo de Almeida Gomes
The aim of this study was to explore the bacterial diversity of 10 root canals with acute apical abscess using clonal analysis. Samples were collected from 10 patients and submitted to bacterial DNA isolation, 16S rRNA gene amplification, cloning, and sequencing. A bacterial genomic library was constructed and bacterial diversity was estimated. The mean number of taxa per canal was 15, ranging from 11 to 21. A total of 689 clones were analyzed and 76 phylotypes identified, of which 47 (61.84%) were different species and 29 (38...
October 10, 2016: Brazilian Oral Research
Shweta Thakare, Amit Mhapuskar, Darshan Hiremutt, Versha R Giroh, Kedarnath Kalyanpur, K R Alpana
INTRODUCTION: Evaluation of the position of mental foramen aids in forensic, surgical, endodontic, as well as diagnostic procedures. Thus, in view of this, the present study was conducted among the population of Pune, a central part of India, to determine the most regular location of the mental foramen and to estimate difference in position of mental foramen based on gender. MATERIALS AND METHODS: The present retrospective study was commenced on 200 digital panoramic radiographs of dentate patients...
September 1, 2016: Journal of Contemporary Dental Practice
Sarah Bukhari, Meetu R Kohli, Frank Setzer, Bekir Karabucak
INTRODUCTION: The purpose of this retrospective case series was to investigate the outcome of the revascularization procedure in necrotic immature teeth. METHODS: The residents and faculty members at the University of Pennsylvania endodontic department were invited to submit consecutive revascularization cases treated by them, irrespective of the outcome, during the time period of 2009 to 2012. Twenty-eight of 35 submitted necrotic immature teeth met the inclusion criteria...
October 7, 2016: Journal of Endodontics
Fabiano Luiz Heggendorn, Gabriela Cristina de Carvalho Silva, Elisama Azevedo Cardoso, Helena Carla Castro, Lúcio Souza Gonçalves, Eliane Pedra Dias, Viviane de Oliveira Freitas Lione, Márcia Teresa Soares Lutterbach
This study assessed the cell viability of the inoculation vehicle of BACCOR (a combination of sulfate-reducing bacteria plus a culture media for bacteria), a biopharmaceutical product under development for dental use as aid in fractured endodontic file removal from the root canal. Different culture media for bacteria were evaluated: modified Postgate E (MCP-E mod), Modified Postgate E without Agar-agar (MCP-E w/Ag), Postgate C with Agar-agar (MCP-C Ag) and Postgate C without Agar-agar (MCP-C w/Ag). Cytotoxicity was quantified by the MTT test, exposing L929 and Vero cell lines to the vehicles over 24 h...
2016: Dental Materials Journal
Mehmet Burak Guneser, Makbule Bilge Akbulut, Ayce Unverdi Eldeniz
The aim of the present study was to compare the antimicrobial effect of sodium hypochlorite (NaOCl), 2% chlorhexidine (CHX), a CHX/cetrimide solution (CHX+CTR), octenidine hydrochloride (OCT) and Salvia officinalis plant extract against Enterococcus faecalis. Seventy decoronated single-rooted human teeth were infected and divided into 6 test (n=10) and 2 control groups (n=5) (negative, sterile samples and positive, infected samples). Following irrigants were then applied to test groups: 2.5% NaOCl, 5.25% NaOCl, CHX, CHX+CTR, S...
2016: Dental Materials Journal
Ulrike Halsband, Thomas Gerhard Wolf
Visiting the dentist is often accompanied by apprehension or anxiety. People, who suffer from specific dental phobia, a disproportional fear of dental procedures show psychological and physiological symptoms which make dental treatments difficult or impossible. For such purposes, hypnosis is often used in dental practice as an alternative for a number of treatments adjuvant or instead of sedation or general anesthetic, as medication is often associated with risks and side effects. This is the first study to address the effects of a brief dental hypnosis on the fear processing structures of the brain in dental phobics using functional magnetic resonance imaging (fMRI)...
October 6, 2016: Journal of Physiology, Paris
X P Luo, Y Yuan, Y J Shi, D D Qian
Objective: To evaluate the clinic performance of high strength glass ceramic crowns for the painful cracked teeth during a 10-year observation period. Methods: Forty-two posterior teeth from 36 patients were diagnosed as having a crack, biting painful and sensitivity to cold were selected in the Department of Prosthodontic, Institute and Hospital of Stomatology, Nanjing University Medical School. The lost-wax hot pressed glass ceramic crowns were bonded on the minimally invasive prepared teeth by modern adhesive technology...
October 9, 2016: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
Vineet Agrawal, Sonali Kapoor, Isha Agrawal
The main purpose of a root canal treatment is to eliminate the bacteria and their products from the pulp space. Chemomechanical preparation (chemical-refers to irrigating solutions, i.e., either synthetic chemicals or herbal solutions and mechanical-refers to instrumentation of a root canals with endodontic files) of a root canal system plays a major role in obtaining the rationale of root canal treatment. Various synthetic chemicals known as endodontic irrigants play a major role in disinfection, but also have undesirable properties like allergic potential, toxicity, unacceptable taste, etc...
August 11, 2016: Journal of Dietary Supplements
A Gallacher, R Ali, S Bhakta
Dens invaginatus is a developmental malformation, in which there is an infolding of enamel into dentine. These infolds represent stagnation sites for bacteria and can predispose to dental caries. The carious infection can spread via enamel and dentine to contaminate the pulp and cause soft tissue necrosis. The altered and sometimes complex anatomy of affected teeth can make endodontic management challenging. Early diagnosis is therefore essential as prophylactic treatment of the dens can prevent degeneration and pulpal necrosis...
October 7, 2016: British Dental Journal
Priyanka D Rebentish, Girish Umashetty, Harpreet Kaur, Trupthi Doizode, Mithun Kaslekar, Shouvik Chowdhury
Research into regenerative dentistry has contributed momentum to the field of molecular biology. Periapical surgery aims at removing periapical pathology to achieve complete wound healing and regeneration of bone and periodontal tissue. Regenerative endodontic procedures are widely being added to the current armamentarium of pulp therapy procedures. The regenerative potential of platelets has been deliberated. Platelet-rich fibrin (PRF) is a wonderful tissue-engineering product and has recently gained much popularity due its promising results in wound healing bone induction...
December 2016: Minerva Stomatologica
Reza Hamedy, Bita Shakiba, Shane N White
No abstract text is available yet for this article.
October 6, 2016: Gerodontology
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