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three-dimensional MK dental turbine for opening pulp and preparing cavity

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  • Access Cavity and Endodontic Anatomy - EndoExperience

    2010-8-4 · cavity, the opening in the dental crown that permits localization, cleaning, shaping, disinfection, and three-dimensional obturation of the root canal system. The success of the endodontic treatment depends en-tirely on precise, proper execution of this step. An access cavity that has been prepared improperly in

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  • Ch10: ENDODONTIC CAVITY PREPARATION

    2013-12-4 · sive, triangular, funnel-shaped opening. Actually, no more than the lingual wall of pulp chamber has been removed. In lower incisors, the outline form may well be extended into the incisal edge. This preparation allows absolutely direct access to apex. F. The outline form of the endodontic coronal cavity in the maxillary first premolar is a ...

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  • Cavity Preparations | University of Toronto Faculty of ...

    2015-1-12 · Preparing the endodontic access cavity is a critical step in a series of procedures that potentially leads to the three-dimensional cleaning and obturation of the root canal system. Access cavities should be cut so the pulpal roof, including all overlying dentin, is removed. The size of the access cavity is dictated by the anatomical position of the orifice(s).

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  • (PDF) Development of three-dimensional patient face

    2014-1-1 · Background. This paper introduces a method to digitally design a virtual model of a tooth preparation of the mandibular first molar, by using the commercial three-dimensional (3D) computer-aided design software packages Geomagic and Imageware, and using the model as an input to automatic tooth preparing system.

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  • (PDF) Development of a multi-layered virtual tooth

    Preparing the endodontic access cavity is a critical step in a series of procedures that potentially leads to the three‑dimensional cleaning and obturation of

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  • Endodontic disinfection: Tsunami irrigation Ruddle CJ ...

    2015-1-12 · Third treatment modality can be internal and external bleaching without root canal treatment. Pedorella et al. described preparing an access cavity and removing the coronal sclerotic dentin and placing an appropriate base on the floor of the access cavity without considering root canal treatment and then carrying out internal and external bleaching.

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  • A three-dimensional articulatory model of the velum

    2008-4-7 · An original three-dimensional (3D) linear articulatory model of the velum and nasopharyngeal wall has been developed from magnetic resonance imaging (MRI) and computed tomography images of a French subject sustaining a set of 46 articulations, covering his articulatory repertoire. The velum and nasopharyngeal wall are represented by generic surface triangular meshes fitted to the 3D contours ...

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  • Anatomy of pulp cavity of maxillary teeth (2)

    2017-11-27 · Localization of calcified canals has always been a challenge in the field of endodontics. The following report of three cases describes a technique for the identification and negotiation of obliterated canals by use of cone beam computed tomography (CBCT) intraoperatively. Canal orifices could not be found clinically in all three cases. Gutta-percha points were placed and compacted at the ...

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  • Intraoperative Use of CBCT for Identification and ...

    A process is provided for forming a metallic edge having a three dimensional internal configuration by preparing a metallic edge blank having a two dimensional internal configuration; attaching a flange to the sides of the blank; preheating the blank, forming mandrel and receiver dies to a temperature at which the metal is in a malleable state, with the forming mandrel having an external ...

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  • Hot forming process - Chromalloy Gas Turbine

    2016-10-19 · Root canal treatment for the infected pulp of a tooth aims to eradicate pathological microbiota and prevent future infection within the root canals. Root canal treatment should obtain proper root canal shape, so an efficient cleaning can be performed before three‐dimensional …

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  • Endodontic procedures for retreatment of periapical ...

    It would also be an advancement in the endodontic arts to provide methods and systems that are based on the three-dimensional reality of teeth and do not relate solely to buccolingual x-ray views, thereby enabling a practitioner to remove and clean pulp material in a root canal without compromising the strength of the walls and the apical anatomy.

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  • Endodontic systems and methods for preparing upper ...

    2004-5-1 · The restoration of endodontically treated teeth is a topic that is extensively studied and yet remains controversial from many perspectives. This article reviews the major pertinent literature on this topic, with an emphasis on major decision-making elements in post placement and restoration of end-odontically treated teeth.

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  • Post Placement and Restoration of Endodontically

    2012-4-30 · Abella F, Patel S, Durán-Sindreu F, Mercadé M, Roig M. Mandibular first molars with disto-lingual roots: review and clinical management.International Endodontic Journal, 45, 963–978, 2012.. Abstract. The purpose of this review was (i) to conduct a literature review on the prevalence and morphologic classification of mandibular first molars with disto-lingual (DL) roots, and (ii) to discuss ...

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  • Mandibular first molars with disto‐lingual roots:

    Apparatus incorporating a movable dispensing head provided with a supply of material which solidifies at a predetermined temperature, and a base member, which are moved relative to each other along 'X,' 'Y,' and 'Z' axes in a predetermined pattern to create three-dimensional objects by building up material discharged from the dispensing head onto the base member at a controlled rate.

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  • Root canal morphology of maxillary second premolars

    Materials and Methods: Two hundred maxillary second premolars were collected, stained, decalcified, and cleared. Cleared teeth were examined in a steromicroscope under 7.5× magnification and the following observations were made: (1) length of the teeth, (2) number of root canals, (3) root canal configuration by Vertucci’s classification, (4)number of isthmi between the canals, (5) frequency ...

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  • Influence of cervical preflaring and root canal ...

    2020-4-16 · Evaluate the fracture resistance of endodontically treated teeth after cervical preflaring and root canal preparation and to assess the volume of the root canal and the amount of remaining root dentin before and after cervical preflaring. Forty-four mandibular incisors were selected using micro-CT scanning and distributed into 4 groups (n = 11) according to the instrument used for cervical ...

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  • Meant to make a difference, the clinical experience of ...

    The three-dimensional shaping effect of the SAF file has been reported by a micro-computed tomography (CT) analysis study by Solomonov for long oval canals and C-shaped canals, extremely challenging cases for instrumentation d. On this background, considering the unique design of SAF, the principle of its functioning, the promising claims of the users, researchers and availability of SAF in ...

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  • Comparative Evaluation of Instrumentation Time,

    2021-3-20 · Access cavity preparation. Removal of carious tissue was done. Access opening was done using round and straight fissure burs (BR-41 and SF-41) at high speed. Following coronal pulp amputation, DG16 instrument was used for canal location. Extirpation of pulp was done using K-files.

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  • Tailored 70S30C Bioactive glass induces severe ...

    2021-1-6 · Objectives This study compared clinical, histologic, and inflammatory outcomes of Biodentine and Bioactive glass (70S30C-BAG) as pulpotomy agents in primary teeth. Methods A randomised, clinical trial was performed recruiting 70 children, 5–9 years old, having ≥ 1 tooth indicated for vital pulpotomy. Participants were randomised to Biodentine or 70S30C-BAG groups. Clinical evaluation was ...

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  • Mineral trioxide aggregate and other bioactive

    Mineral trioxide aggregate (MTA) is a dental material used extensively for vital pulp therapies (VPT), protecting scaffolds during regenerative endodontic procedures, apical barriers in teeth with necrotic pulps and open apices, perforation repairs as well as root …

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  • USRE46813E1 - Tooth preparation guide device and

    Dental preparation uses a tooth preparation guide custom-made for fitting with teeth of a patient. The preparation guide includes one or more guide channels for guiding a cutting tool. The preparation guide enables modification of the teeth as planned with high level of precision. A dental prosthesis for installing onto prepared teeth of the patient is provided before preparation of the teeth.

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  • APPARATUSES, SYSTEMS AND METHODS FOR THREE

    The present disclosure provides three-dimensional (3D) objects, 3D printing processes, as well as methods, apparatuses and systems for the production of a 3D object. Methods, apparatuses and systems of the present disclosure may reduce or eliminate the need for auxiliary supports.

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  • US5725370A - Dental tip - Google Patents

    US5725370A US08/581,203 US58120395A US5725370A US 5725370 A US5725370 A US 5725370A US 58120395 A US58120395 A US 58120395A US 5725370 A US5725370 A …

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  • Gas flow in three-dimensional printing -

    2021-3-10 · CROSS-REFERENCE. This application claims benefit of prior-filed U.S. Provisional Patent Application Ser. No. 62/418,601, filed Nov. 7, 2016, titled “GAS FLOW DURING THREE-DIMENS

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  • Effect of different types of adhesive systems on the

    2021-4-22 · Dental restorative treatment is not without risk. The conventional method of preparation using rotary bur instrumentation may result in microfractures adjacent to cavity margins and excessive removal of tooth tissue during repair of restorations and may damage the adjacent tooth during interproximal cavity preparations [].Thermal injury to the pulp due to a temperature rise of more than 15°C ...

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  • Mineral trioxide aggregate and other bioactive

    Mineral trioxide aggregate (MTA) is a dental material used extensively for vital pulp therapies (VPT), protecting scaffolds during regenerative endodontic procedures, apical barriers in teeth with necrotic pulps and open apices, perforation repairs as well as root …

    Get Price
  • US Patent for Systems for three-dimensional printing ...

    2019-6-10 · The present disclosure various apparatuses, and systems for 3D printing. The present disclosure provides three-dimensional (3D) printing methods, apparatuses, software and systems for a step and repeat energy irradiation process; controlling material characteristics and/or deformation of the 3D object; reducing deformation in a printed 3D object; and planarizing a material bed.

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  • Role of connexins and pannexins during ontogeny ...

    2016-5-24 · Role of connexins on skeletal ontogeny. Global deletion of Cx43 results in perinatal death due to impaired cardiac function [], precluding the possibility to investigate the role of Cx43 in the mature skeleton.However, early studies performed in embryos showed delayed ossification both in intramembranous and endochondrial bone [].Similar results were observed in a later study [].

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  • Gas flow in three-dimensional printing -

    2021-3-10 · CROSS-REFERENCE. This application claims benefit of prior-filed U.S. Provisional Patent Application Ser. No. 62/418,601, filed Nov. 7, 2016, titled “GAS FLOW DURING THREE-DIMENS

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  • 2014 TERMIS-AM ConferenceWashington,

    2019-12-1 · An ideal three-dimensional (3D) in vitro liver parenchymal cell culture platform should restore cell-cell and cell-matrix interactions, as well as normal hepatocyte polarity. Here, we report an orthogonal thiol-ene hydrogel system for culturing liver cell lines (e.g. Huh7 and HepG2).

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  • Comparative Evaluation of Instrumentation Time,

    2021-1-1 · Complete biomechanical preparation of the canals provides a path for irrigants and also aids in sealing the canals with biocompatible obturating material while preserving the radicular anatomy. [ 2] Hence, biomechanical preparation of canals is the major determinant in the success of pulpectomy. [ 3]

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  • CPC - Compilation of Changes to the Scheme

    2020-5-15 · When the cavity or chamber is lined documents are classified in F17C 3/005 M B65G 7/00 Devices for assisting manual moving or tilting heavy loads (roller-ways B65G 13/00; for tilting and emptying barrels or casks B65G 65/24) M B65G 7/02 · Devices adapted to be interposed between loads and the ground or floor,

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  • Heat transfer—a review of 1987 literature -

    1988-12-1 · Heat transfer—a review of 1987 literature. Author links open overlay panel E.R.G. Eckert R.J. Goldstein E. Pfender W.E. Ibele S.V. Patankar J.W. Ramsey T.W. Simon N ...

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  • Animal Oral Exam - Veterinary Dentist - Wisconsin,

    Dental Laboratory. Dental prostheses, appliances, and items used in their fabrication (e.g., impressions, occlusal rims, and bite registrations) are potential sources for cross-contamination and should be handled in a manner that prevents exposure of DHCP, patients, or the office environment to infectious agents.

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  • Guidelines for Infection Control in Dental Health-Care ...

    2017-4-10 · thermal-hydraulic phenomena in the oneand three- -dimensional space. The Purdue Advanced Reactor Core Simulator (PARCS) on the other hand is a computer code that solves the time-dependent twogroup neutron diffusion equation in three- dimensional Cartesian geometry. The -

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  • NUREG/IA-0469, 'International Agreement Report ...

    2020-4-16 · Evaluate the fracture resistance of endodontically treated teeth after cervical preflaring and root canal preparation and to assess the volume of the root canal and the amount of remaining root dentin before and after cervical preflaring. Forty-four mandibular incisors were selected using micro-CT scanning and distributed into 4 groups (n = 11) according to the instrument used for cervical ...

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  • Dental high speed air turbine handpiece turbine 4

    2020-7-30 · Turbine and hand piece must be concentric and true running. ... pouches must be dry before opening to avoid recontamination of the contents with water. Storage should be in dry, clean conditions and at ambient temperature. VALIDATION These processes have been validated as being capable of preparing Stoddard dental brushes for use. It remains

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  • Influence of cervical preflaring and root canal ...

    2019-12-1 · An ideal three-dimensional (3D) in vitro liver parenchymal cell culture platform should restore cell-cell and cell-matrix interactions, as well as normal hepatocyte polarity. Here, we report an orthogonal thiol-ene hydrogel system for culturing liver cell lines (e.g. Huh7 and HepG2).

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  • Sterilisation and Instructions for Use

    We are always looking for qualified and experienced individuals to direct and staff our campuses and currently have an opening for a Wind Turbine Technician Instructor at our Norfolk, VA campus ...

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  • Advanced Techniques and Technology - Advanced

    The secondary wall of softwood tracheids is formed after the primary wall formation and consists of three distinct layers (S 1, S 2, and S 3) with highly ordered cellulose microfibrils.The thicknesses of the S 1, S 2, and S 3 layers are 0.1–0.3, 1–5, and 0.1 µm, respectively. According to S–Z–S helical structure, the S 1 layer's cellulose microfibrils are arranged in the S-helix ...

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