Results 131 to 140 of about 52,719 (329)
Effects of Needle Size and Needle Bevel Direction on the Postspinal Headache [PDF]
, 1991 Young Joo Lee +6 more
openalex +1 more source
Journal of Prosthodontics, EarlyView.Abstract Purpose The aim of this study was to investigate the impact of an increasing level of monomer contamination of isopropanol (isopropyl alcohol [IPA]) during post‐rinsing on the dimensional stability of test samples produced by vat photopolymerization.
Florian Flierl +5 more
wiley +1 more source
Journal of Prosthodontics, EarlyView.Abstract Purpose This study aimed to compare the dimensional and positional deviations of additively manufactured removable dies fabricated using two bio‐based resins and one conventional dental cast resin, while also evaluating these outcomes over a 4‐week period.
Mustafa Borga Dönmez +6 more
wiley +1 more source
Research of Design Method of Bevel Gear Tooth Profile based on Conical Involute
Jixie chuandong, 2016 In order to making the tooth profile of bevel gear be close to its theoretical spherical involute,a design method of the tooth profile of bevel gear using conical involute is proposed,that is forming the involute tooth profile of bevel gears on the back ...
Hou Hongling, Xing Si, Shu Linsen
doaj
Simulation of Double Circular Arc Profile Spiral Bevel Gear Form Grinding Machining based on VERICUT
Jixie chuandong, 2020 The feasibility of machining double circular arc profile spiral bevel gear by numerical control forming grinding method is verified by VERICUT machining simulation.The tool path of the bevel gear and the tooth surface equation of the circular arc profile
He Zhiwei, Duan Jianzhong, Li Youzhi
doaj
Full-scale transmission testing to evaluate advanced lubricants [PDF]
Experimental tests were performed on the OH-58A helicopter main rotor transmission in the NASA Lewis 500 hp helicopter transmission test stand. The testing was part of a lubrication program. The objectives are to develop and show a separate lubricant for
Decker, Harry J. +2 more
core +1 more source
Journal of Prosthodontics, EarlyView.Abstract Purpose The purpose of this in vitro study was to evaluate the dimensional and positional trueness of additively manufactured (AM) removable dies in water‐washable (WW) resins and cleaned using different post‐processing solutions (98% isopropyl alcohol [IPA], methyl ether solvent [MES], and water).
André Peter Seifert +6 more
wiley +1 more source
Tooth profile analysiis of circular-cut, spiral-bevel gears [PDF]
An analysis of tooth profile changes in the transverse plane of circular-cut, spiral-bevel crown gears is presented. The analysis assumes a straight-line profile in the mid-transverse plane.
Coy, J. J., Huston, R. L., Lin, Y.
core +1 more source
Hydraulic fast‐setting calcium silicate cement for crown cementation
Journal of Prosthodontics, EarlyView.Abstract Purpose This study evaluated film thickness, diametral tensile strength (DTS), and crown retentive strength of hydraulic fast‐set calcium silicate cement (fast‐set CSC) compared to conventional luting cements. Materials and Methods Fast‐set CSC was compared to zinc phosphate cement and glass ionomer cement.
Atefeh Nemati Karimooy +3 more
wiley +1 more source