Zobrazeno 1 - 10
of 86
pro vyhledávání: '"David A, Covey"'
Publikováno v:
Cogent Engineering, Vol 2, Iss 1 (2015)
The standard methods of calculating the fluid friction factor, the Colebrook–White and Haaland equations, require iterative solution of an implicit, transcendental function which entails high computational costs for large-scale piping networks whil
Externí odkaz:
https://doaj.org/article/d5e3c82783bb48448f8f930958186008
Publikováno v:
Orthodontics & Craniofacial Research. 20:134-138
Structured AbstractObjectives To evaluate the surface properties of two commercially available sealants (Pro Seal® (PS) and Opal® SealTM (OS)) in terms of fluoride(F) release, biofilm formation of Streptococcus mutans and Lactobacillus and the abil
Autor:
Yi Hua, Sundaralingam Premaraj, Hidehiko Watanabe, David A. Covey, Thyagaseely Sheela Premaraj, Nima Rohani
Publikováno v:
European Journal of Dentistry
Objective: To evaluate mechanical and esthetic Properties of two commercially available orthodontic sealants: Opal®Seal (OS) and L.E.D. Pro Seal (PS). Materials and Methods: Discs of each sealant were prepared to test the following properties: Micro
Publikováno v:
Cogent Engineering, Vol 2, Iss 1 (2015)
The standard methods of calculating the fluid friction factor, the Colebrook–White and Haaland equations, require iterative solution of an implicit, transcendental function which entails high computational costs for large-scale piping networks whil
Publikováno v:
Journal of Glaciology. 51:291-306
Comparison of numerically computed solutions to exact (analytical) time-dependent solutions, when possible, is superior to intercomparison as a technique for verification of numerical models. At least two sources of such exact solutions exist for the
Autor:
Hidehiko, Watanabe, Eunghwan, Kim, Noah L, Piskorski, Jennifer, Sarsland, David A, Covey, William W, Johnson
Publikováno v:
American journal of dentistry. 26(5)
To evaluate the mechanical strength and color stability of provisional restoration materials.For mechanical testing, four groups [Trim (PEMA), Alike (PMMA), Versatemp (bis-acrylic resin composite, BARC) and Perfectemp II (bis-acrylic fluoride enriche
Publikováno v:
The Journal of Prosthetic Dentistry. 82:8-14
Volume of tooth structure replaced by an existing restoration, as assessed by visual and radiographic examination, is one diagnostic measure used by dental practitioners and dental insurance agencies to determine the relative need to restore a tooth
Autor:
David N. Covey, Craig S. Lingle
Publikováno v:
Annals of Glaciology. 27:7-18
Radar altimeter data from Seasal (1978), Geosat (1985-88) and ERS-1 (1991—93) are employed to estimate multi-year mean changes of the surface height throughout a region on the East Antarctic ice sheet (EAIS) extending to 72.1° S, the southernmost
Publikováno v:
General dentistry. 59(6)
The application of cleaning and polishing agents to a patient's dentition is a routine part of many dental practices. This study measured the surface roughness and surface gloss of tooth enamel, composite resin, and dental porcelain restorative mater
Publikováno v:
American journal of dentistry. 22(2)
To compare a uniquely shaped tapered-bristle manual toothbrush to a toothbrush with bristles uniform in height and diameter for the ability to remove artificial plaque deposits in areas of the mouth that are difficult to access; interproximal areas,