نتایج جستجو برای: dental seal

تعداد نتایج: 175057  

2003
Tomoatsu Takahashi

At a time of drastic change in the environment surrounding financial institutions, administrative work centralization aimed at reducing the workload of the back office has propelled the introduction of cost-effective image processing systems geared toward centralized operations. Further, in an effort to prevent forgery, more and more institutions have done away with duplicate seals and are intr...

2012
Pierre Machtou

the results of the initial study. It was concluded that the apical fluids, with their primary source being blood serum, diffuse into the empty canal spaces, stagnate, undergo degradation and then act as a physicochemical irritant when they diffuse back into periapical tissues. In support of this theory of stagnation, in 1955 Dow and Ingle showed that the majority of the endodontic failures were...

2013
Simon Hutchings Ivor Chestnutt Barbara Chadwick Jacqui Nuttall Rebecca Playle Kerenza Hood

The Seal or Varnish study is a pragmatic randomised trial to evaluate the relative cost and effectiveness of pit and fissure sealants and fluoride varnish in preventing dental caries in high-risk children in South Wales. In partnership with the Cardiff & Vale UHB Community Dental Service (CDS), the trial utilises the infrastructure of an existing school-based dental programme to conduct clinica...

Journal: :iranian endodontic journal 0
shahriar shahriari farhad faramarzi mohammad-yousef alikhani maryam farhadian seyedeh sareh hendi

introduction:  this  in vitro  study compared the apical sealing ability of three common root end filling materials namely mineral trioxide aggregate (mta), intermediate restorative material (irm) and calcium-enriched mixture (cem) cement using a bacterial leakage model.  methods and materials: the study was conducted on 83 single-rooted human teeth. tooth crowns were cut and root canals were p...

Journal: :Clinical oral implants research 2007
Daniel Edelhoff Mutlu Ozcan

AIMS/BACKGROUND The objective of this review was to define the impact of cementation mode on the longevity of different types of single tooth restorations and fixed dental prostheses (FDP). METHODS Literature search by PubMed as the major database was used utilizing the terms namely, adhesive techniques, all-ceramic crowns, cast-metal, cement, cementation, ceramic inlays, gold inlays, metal-c...

Journal: :Pediatric dentistry 1982
R A Anson C A Full S H Wei

The purpose of this study was to determine the combined retention rates of two Bis-GMA sealants ("Delton" and "Nuva-Seal") in a pedodontic clinic. Included in this study were 176 patients whose mean age was eleven years and five months. For all teeth examined, the relationship between the percentage of teeth with "sealant all present" and longevity is almost linear from the plotted value at six...

2014
Yuegang LUO Songhe ZHANG Bin WU Wanlei WANG

The nonlinear dynamic model of rotor-bearing-seal system with crack in shaft is set up based on the coupling model of nonlinear oil-film force and Muszyska’s nonlinear seal fluid force. The dynamic vibration characteristics of the rotor-bearing-seal system and the effects of physical and structural parameters of labyrinth seal and crack fault on movement character of the rotor were analyzed. Th...

2014
GS Chandu BS Hema Harsh Mahajan Antriksh Azad Ipsita Sharma Anurag Azad

AIM To evaluate retention of complete denture base with different types of posterior palatal seals. MATERIAL AND METHODS Ten male patients between the age group of 50 years to 60 years were selected for the study. After the primary and secondary impressions were taken, five casts were made including a cast without posterior palatal seal, a cast with single bead posterior palatal seal, a cast ...

2017
Michael Knösel Roberto Vogel Paulo Sandoval

Purpose: To provide an overview of different indications suitable for treatment with the technique of resin infiltration (Icon, DMG), such as white-spot lesions (WSL), enamel fluorosis, and molar-incisor hypomineralisation (MIH), and to propose a valid and strategy feasible in dental surgeries for screening of dental color improvement and -stability. Method: A non-systematic review of the liter...

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