Vertical root fracture and dentin deformation in curved roots: the infiuence of spreader design
The effect of lateral condensation using different tape red spreaders. Curved mesiobuccal roots of maxillary molars. Strain gauges applied to the root surfaces measured dentin deformation during controlled lateral condensation with fine finger.
Подобные документы
Pathological changes in the dental pulp. The root canal system is harbor of several species of bacteria, their toxins and their by-products. Complete cleaning and shaping of root canals. Use of endodontic materials as root end filling materials.
статья, добавлен 30.03.2013Ecological differences between the untreated and root-filled root canals. The root canal flora. The root canal as a unique site of infection. Methods for isolation and cultivation of the microorganisms. Microbiology of canals with persistent infection.
статья, добавлен 10.12.2013- 28. Healing of periapical lesions of pulpless teeth after endodontic treatment with controlled asepsis
A decisive role of the bacteria in dental root canals. The efficacy of the endodontic treatment of pulpless infected teeth. Clinical and radiographic examination. Characterization of the investigated material. The apical level of the root filling.
статья, добавлен 29.03.2013 Main techniques of fabricating posts and cores. The most common types of post and core failures. Foto with example of a mandibular molar post and core caused multiple root fractures. Parallel-sided posts less, cause root fracture and tapered posts.
статья, добавлен 30.03.2013Non-cavitated caries pathology and clinical implications. Caries and the amelo-dentinal junction. Dentin exposed caries pathology. Closed and open cariogenic ecosystems. Dentin and pulp reactions. The immune response. Tertiary dentinogenesis and caries.
статья, добавлен 10.12.2013Apparatus of the tooth and the root canal system. The diagnosis and repair of root perforations. Root perforations can be classified into three main groups: procedural errors, tooth resorption and caries. Access and visibility to the perforation.
статья, добавлен 10.12.2013At the opening of the root canal of each section, hemicircular cavities were drilled with a specially bur. The corresponding root sections were cemented with glue, thus obtaining root canals with similar cavities that simulated internal resorptions.
статья, добавлен 30.03.2013Overview of ultrasonic instruments for dental procedures. Laser research of root canals of the teeth. The efficiency of the scanning electronic microscopy when examining the cracks in the dental channels. Clinically significant rates of cracking.
статья, добавлен 30.03.2013Pulp necrosis, root resorption, defects in marginal periodontal healing. Clinical studies on prognosis of intrusion of teeth. Transient marginal breakdown. Statistical univariate analysis of healing in teeth distributed according to the variables.
статья, добавлен 10.12.2013The nickel–titanium alloy Nitinol has been used in the manufacture of endodontic instru-ments in recent years. Construction of root canal instruments that utilize these favourable characteristics to provide an advantage when preparing curved canals.
статья, добавлен 05.03.2013General methodological considerations. History of/criteria for the outcome of root canal treatment. Reliability and reproducibility of periapical radiography. Quality of root-fillings and coronal restorations. Methods of instrumentation and root-filling.
статья, добавлен 10.12.2013History of root canal preparation. Endodontic Beutelrock-bur in a handpiece with a flexible angle. Goals of mechanical root canal preparation. Summary of currently available systems for engine-driven systems for root canal. Microbiological challenges.
статья, добавлен 10.12.2013The advantages of ultrasonic or sonic root-end preparation compared to conventional bur preparation: a deeper root-end preparation, alignment in the original path of the root canal, a reduced risk of lingual perforation. A debridement of gutta-percha.
статья, добавлен 29.03.2013Root canal treatment. The presence of microorganisms within the root canal. The focal infection theory in the medical literature. Propagation of microorganisms from a focus of circumscribed infection within a tissue and exacerbation of systemic illness.
статья, добавлен 29.03.2013Protective mechanisms against resorption. Requirements for the presence of root resorption. Loss of the protective layer. External root resorption. Minimizing additional damage after the injury. Pharmacological manipulation of the inflammatory response.
статья, добавлен 10.12.2013Several types of stainless steel and titanium-based instruments. Instrumentation of curved canals with flexible stainless steel instruments with modified noncutting tips. Preliminary reports on lightspeed rotary system, using canal master technology.
статья, добавлен 29.03.2013Microbiota of the oral cavity. The healthy oral cavity. Root canal infection. Biofilm on root surfaces. Bacteria in perapical lesions. Microbiota of refractory lesions. The main microorganisms isolated from mucosa, alveolar bone and periapical lesion.
статья, добавлен 10.12.2013Thirty immature sheep incisor teeth were tested for their fracture resistance after various treatment modalities using calcium hydroxide or a mineral trioxide aggregate material as a root filling. Comparison of calcium hydroxide or MTA in sheep teeth.
статья, добавлен 30.03.2013Clinical and radiographic status of root-fractured teeth at the time of treatment, distributed according to type of endodontic treatment. Cleansing drugs, sealers used for root canal filling with gutta-percha, distributed according to type of treatment.
статья, добавлен 30.03.2013Peculiarities of dominant negative bacteria in root canals of intact teeth with necrotic pulps and inperiodontal pockets. The analysis of studies compared the microflora of the root canal and that of the adjacent periodontal pocket in the same patient.
статья, добавлен 30.03.2013Determination the temperature rise on the root surfaced caused by ultrasonic post removal using different devices and techniques in a laboratory setting. Investigation ultrasonic devices and serrated titanium post into distal root canal of a mandibular.
статья, добавлен 30.03.2013Laser applications in endodontics, their use in pulp diagnosis, dentinal hypersensitivity, pulpotomy, sterilization of root canals, root canal shaping and obturation and apicectomy. The effects of laser on root canal walls and periodontal tissues.
статья, добавлен 29.03.2013The removal of metallic obstructions is an part of endodontic retreatment procedures. The characteristic of the Masserannkit, post pullers, the Canal-Finder-System, ultrasonic systems. Metal root canal obturators. Individually fabricated cast posts.
статья, добавлен 29.03.2013Anoral and maxillo-facial surgeon, an endodontist and a general dental practitioner viewed the radiograph independently under standard conditions. Orthograde root-canal treatment for endodontic problems. Orthograde nonsurgical root-canal treatment.
автореферат, добавлен 29.03.2013The prognosis of 56 roll-fractured permanent incisors was evaluated clinically and radiographically for 2 to 31 years. Information about initial case histories, examination and treatment root-fractured teeth were recorded retrospectively from cards.
статья, добавлен 10.12.2013