An in Vitro Microleakage Comparison of the Sealing Ability of Amalgam Alloy and Super EBA Cement when Used as Retrograde Filling Materials PDF Download
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Author: Dawn Michelle Ondrik
Publisher:
ISBN:
Category :
Languages : en
Pages : 114
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Author: Dawn Michelle Ondrik
Publisher:
ISBN:
Category :
Languages : en
Pages : 114
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Author: Samer Salama
Publisher:
ISBN:
Category :
Languages : en
Pages : 148
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![An in Vitro Microleakage Comparison of the Sealing Ability of Amalgam Alloy, Amalgam Alloy with a Dentin Bonding Agent, and Super EBA [trade Mark] Cement when Used as Retrograde Filling Materials PDF](https://books.google.com/books/content/images/frontcover/39qFNwAACAAJ?fife=w80-h100)
Author: David James Harris
Publisher:
ISBN:
Category :
Languages : en
Pages : 146
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Category : Medicine
Languages : en
Pages : 1828
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Author: Walter W. Cox
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Category : Dental amalgams
Languages : en
Pages : 158
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Author: Harinderbir Singh
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Category : Bone resorption
Languages : en
Pages : 124
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Author: Hussein Cassim Seedat
Publisher:
ISBN:
Category : Orthodontics
Languages : en
Pages : 222
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Book Description
Periapical endodontic surgery may be indicated when orthograde retreatment of failed endodontic therapy is unsuccessful, unfeasible or contraindicated. The sequence of procedures during the surgery includes exposure of the involved apex, root-end resection, root-end cavity preparation and placement of a root-end filling. The root-end filling is necessary in order to provide a hermetic seal, thereby preventing the egress of micro-organisms into the periradicular tissues from the root canal system. The purpose of this in-vitro study was to compare the microleakage of three calcium silicate cements and amalgam when used as retrograde filling materials. One hundred and twenty single rooted, single canal, human teeth with closed apices were collected and stored in Phosphate Buffered Saline after extraction. All root canals were instrumented using ProTaper rotary instruments and obturated by warm vertical condensation using gutta-percha with Topseal Root Canal Sealer. Access cavities were sealed with Fuji IX glass ionomer restorative material. The apical 3mm of each root was resected perpendicular to the long axis of the root and root-end cavities were prepared to a depth of 3mm using ProUltra surgical ultrasonic tips. The teeth were randomly divided into four groups (n=30): Group 1 - ProRoot MTA (Dentsply/Maillefer) Group 2 - MTA PlusTM (Prevest Denpro Limited) Group 3 – BiodentineTM (Septodont) Group 4 – Permite Amalgam (SDI) The materials were manipulated according to the manufacturer’s instructions and used to fill the root-end cavities. The specimens were then coated with two layers of clear varnish, except the resected apical surface. Teeth were stored in gauze, moistened with Phosphate Buffered Saline for 24 hours and thereafter submerged in Indian Ink dye for 48 hours. The excess dye was rinsed off the specimens under running water. Specimens were then sectioned horizontally in one millimetre increments from the apical end of the root. The extent of dye penetration was measured to the nearest millimetre using a stereomicroscope. Data for different groups was collected and summarised in terms of percentage for the outcome vector (no leak, 1 mm leak, 2 mm leak and 3 mm leak). Furthermore pairwise comparisons between each of the calcium silicate materials to amalgam were done at the 0.017 level of significance, using Fisher’s exact test. Amalgam showed significantly more leakage than the calcium silicate materials (p
Author: Alex Kiril Mihailoff
Publisher:
ISBN:
Category :
Languages : en
Pages : 164
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Author: Nathan Mansbach
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Dr Kanika Gupta Verma
Publisher: LAP Lambert Academic Publishing
ISBN: 9783844300475
Category :
Languages : en
Pages : 88
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Book Description
In the current age of adhesive dentistry or microdentistry, conservation of tooth structure is paramount. Rather than using extension for prevention as a treatment guideline, emphasis now is placed on restriction with conviction. The marginal integrity of tooth and restoration interface is dependent upon several factors, including the type of restorative materials, their physical properties, interactions between the materials, physical properties of tissue interface and interaction with oral environment.The relationship between marginal leakage in restoration & type of restorative materials used has been extensively studied both in clinical & laboratory experiments. In the absence of definitive clinical data, laboratory microleakage studies are a well accepted method of screening adhesive restorative materials for marginal seal. The purpose of this, in vitro study, is to compare the sealing ability of the most innovative restorative materials being used in clinical practice; including Conventional Glass Ionomer Cements, Resin Modified GIC, Microfilled Composites, Packable Composites, Nanofilled Composites and Compomer.
