搜索结果: 1-15 共查到“口腔医学 temperature”相关记录19条 . 查询时间(0.171 秒)
Effects of sintering temperature on physical and compositional properties of α-tricalcium phosphate foam
Foam α-tricalcium phosphate Bone substitutes
2010/11/26
Effects of sintering temperature on the physical and compositional properties of α-TCP foam fabricated using the polyurethane foam method were examined. When a polyurethane foam coated with α-TCP slur...
The influence of mold temperature on the fit of cast crowns with commercially pure titanium
Marginal adaptation Crowns Titanium Dental casting investment
2009/10/19
Commercially pure titanium (CP Ti) has been widely applied to fabricate cast devices because of its favorable properties. However, the mold temperature recommended for the manufacture of casts has bee...
Reducing, by Pulse Width Modulation,the Curing Temperature of a Prototype High-power LED Light Curing Unit
Light emitting diode (LED) Light curing units (LCUs) Pulse width modulation (PWM)
2009/9/14
Third-generation LEDs have high irradiance and efficiency, but the associated temperature rise is potentially hazardous to the pulp of teeth. We evaluated, during composite polymerization, the irradia...
Effects of Sintering Temperature Over 1,300°C on the Physical and Compositional Properties of Porous Hydroxyapatite Foam
Porous hydroxyapatite Scaffold Synthetic bone substitute
2009/9/14
Porous hydroxyapatite (HAP) foam permits three-dimensional (3D) structure with fully interconnecting pores as well as excellent tissue response and good osteoconductivity. It is therefore thought to b...
Effects of LEDs on Microhardness and Temperature Rise of Dental Composite Resins
LEDs Composite resins Microhardness
2009/9/14
The purpose of this study was to examine the effects of LEDs on the polymerization of dental composite resins. Three composite resins and two LED units were used to evaluate the latter's effects on mi...
Effects of Light Curing Modes and Resin Composites on Temperature Rise under Human Dentin: An in vitro Study
Temperature rise Composites Polymerization
2009/9/11
The influence of three curing modes of a high-powered LED curing unit on temperature rise under 2-mm-thick dentin was investigated during the polymerization of resin composite samples of Admira, Filte...
Temperature Rise under Normal and Caries-Affected Primary Tooth Dentin Disks during Polymerization of Adhesives and Resin-containing Dental Materials
Temperature rise Caries-affected primary tooth dentin Photopolymerization
2009/9/11
The purpose of this study was to compare the temperature rise under normal and caries-affected primary tooth dentin during photopolymerization of two adhesives and resin-containing restorative materia...
Type I Collagen Grafting on Titanium Surfaces Using Low-temperature Glow Discharge
Glow discharge Titanium Collagen
2009/9/11
To improve the bioactivity of titanium surfaces, glow discharge was used to facilitate collagen grafting on titanium disks. Titanium test specimens were pre-treated by glow discharge fed with a mixtur...
Temperature rise induced by various light curing units through human dentin
Light curing units Temperature rise Dentin
2009/9/11
This study investigated temperature rises caused by different light curing units (LCUs) in dentin of different thicknesses. The different LCUs tested in this study were namely: quartz-tungsten-halogen...
The Low Temperature Heat-treatment of Stainless Steel for Orthodontics
Low Temperature Heat-treatment Stainless Steel Orthodontics
2009/3/16
The Low Temperature Heat-treatment of Stainless Steel for Orthodontics.
The Effect of Cold Temperature Mixing on the Properties of Zinc Phosphate Cement
Cold Temperature Properties Zinc Phosphate Cement
2009/3/9
This investigation was supported by NIH research grant number DE 02668 from the National Institute of Dental Research and by NIH grant number RR 05333 from the Division of Research Resources.
The Effect of Mixing Method, Slab Temperature, and Humidity on the Properties of Zinc
Mixing Method Slab Temperature Humidity Zinc
2009/3/9
The Effect of Mixing Method, Slab Temperature, and Humidity on the Properties of Zinc.
Stiffness Changes in Thermodynamic Nitinol With Increasing Temperature
ELASTICITY STIFFNESS
2009/2/28
Load-deflection measurements on wires fabricated from a new Nitinol alloy which undergoes physical transformations affecting elastic response at body temperature.
The effect of short-term temperature changes on the mechanical properties of rectangular nickel titanium archwires tested in torsion
Orthodontic archwires Materials testing Torsional stiffness Nickel titanium alloys
2009/1/8
Due to their exceptional temperature sensitivity, superelastic nickel titanium wires may be affected by temperature changes associated with ingestion of cold or hot food. It has been assumed that th...
The effect of temperature on the elastic responses to longitudinal torsion of rectangular nickel titanium archwires
Archwires Materials testing Torsional stiffness Nickel titanium alloys Copper nickel titanium alloys Superelasticity
2009/1/8
To investigate responses to longitudinal torsion and the effect of temperature on the torsional stiffness of superelastic nickel titanium archwires, eight batches of rectangular wires were tested at...