Search Results - "Darvell, B W"

Manufacturers’ instructions: Detail essential for reproducibility by Darvell, B.W.

Get full text

Dental materials science: Research, testing and standards by Schmalz, G., Watts, D.C., Darvell, B.W.

Get full text

Reaction of silver diamine fluoride with hydroxyapatite and protein by Lou, Y.L, Botelho, M.G, Darvell, B.W

“…Abstract Silver diammine fluoride (SDF) is used as an anticaries agent; however, its mode of action is uncertain, whether chemical, physical, mechanical or…”
Get full text

Calcium Phosphate Solubility: The Need for Re-Evaluation by Pan, H.-B, Darvell, B. W

“…The determination of the solubility of calcium phosphates by the conventional large excess of solid method has been demonstrated to be inappropriate. The…”
Get full text

Defects in ProTaper S1 instruments after clinical use: fractographic examination by Cheung, G. S. P., Peng, B., Bian, Z., Shen, Y., Darvell, B. W.

“…Aim  To investigate the mode of failure of a brand of nickel‐titanium instruments separated during clinical use, by detailed examination of the fracture…”
Get full text

Fatigue testing of a NiTi rotary instrument. Part 1: strain-life relationship by Cheung, G. S. P., Darvell, B. W.

“…Aim  To examine the fatigue behaviour using a strain‐life approach, and to determine the effect of water on the fatigue life of a NiTi rotary instrument…”
Get full text

Low-cycle fatigue of NiTi rotary instruments of various cross-sectional shapes by Cheung, G. S. P., Darvell, B. W.

“…Aim  To compare the low‐cycle fatigue (LCF) behaviour of some commercial NiTi instruments subjected to rotational bending, a deformation mode similar to an…”
Get full text

Thermal cycling procedures for laboratory testing of dental restorations by Gale, M.S, Darvell, B.W

“…Objectives: Exposure of restorations in extracted teeth to cyclic thermal fluctuations to simulate one of the many factors in the oral environment has been…”
Get full text

Fatigue testing of a NiTi rotary instrument. Part 2: fractographic analysis by Cheung, G. S. P., Darvell, B. W.

“…Aim  To examine the topographic features of the fracture surface of a NiTi instrument after fatigue failure, and to correlate the measurements of some features…”
Get full text

Polymerization of resin composite restorative materials: exposure reciprocity by Musanje, L, Darvell, B.W

“…Objective. To examine whether there is reciprocity between irradiation time and irradiance with regard to the mechanical properties of filled, resin composite…”
Get full text

Growth of apatite on chitosan-multiwall carbon nanotube composite membranes by Yang, Jun, Yao, Zhiwen, Tang, Changyu, Darvell, B.W., Zhang, Hualin, Pan, Lingzhan, Liu, Jingsong, Chen, Zhiqing

“…Bioactive membranes for guided tissue regeneration would be of value for periodontal therapy. Chitosan-multiwall carbon nanotube (CS-MWNT) composites were…”
Get full text

Nucleation of Strontium-Substituted Apatite by Pan, H.-B, Li, Z.-Y, Wang, T, Lam, W. M, Wong, C. T, Darvell, B. W, Luk, K. D. K, Hu, Y, Lu, W. W

“…Strontium plays an important role in the treatment of osteoporosis, but the detailed chemistry is still in doubt. In particular, the effect of strontium on the…”
Get full text

Alkaline biodegradable implants for osteoporotic bone defects—importance of microenvironment pH by Liu, W., Wang, T., Yang, C., Darvell, B. W., Wu, J., Lin, K., Chang, J., Pan, H., Lu, W. W.

“…Summary Change of microenvironment pH by biodegradable implants may ameliorate unbalanced osteoporotic bone remodeling. The present work demonstrated that a…”
Get full text

Failure analysis of the ball bearings of dental air turbine handpieces by Wei, M, Dyson, JE, Darvell, BW

“…Background The aim of this study was to identify the nature and causes of deterioration and failure in dental handpiece ball bearings and thus provide guidance…”
Get full text

Minimization of the inevitable residual monomer in denture base acrylic by Lung, C.Y.K., Darvell, B.W.

“…Residual monomer ([MMA] R) in denture base acrylic continues to be of concern. The response surface of concentration vs. time and temperature for the…”
Get full text

“MTA”—An Hydraulic Silicate Cement: Review update and setting reaction by Darvell, B.W, Wu, R.C.T

“…Abstract Objectives To review the current status and understanding of Portland cement-like endodontic materials commonly referred to by the trade designation…”
Get full text

Water sorption and mechanical behaviour of cosmetic direct restorative materials in artificial saliva by Musanje, L., Shu, M., Darvell, B.W.

“…Objectives: To evaluate the water sorption and mechanical behaviour of a compomer in comparison with those of its nominal forerunners, a filled resin…”
Get full text

Aspects of water sorption from the air, water and artificial saliva in resin composite restorative materials by Musanje, L, Darvell, B.W

“…Objectives. Primarily to establish whether artificial saliva (AS) at 37 °C is essential as a clinically relevant environment for testing filled, resin…”
Get full text

Comparison of defects in ProTaper hand-operated and engine-driven instruments after clinical use by Cheung, G. S. P., Bian, Z., Shen, Y., Peng, B., Darvell, B. W.

“…Aim  To compare the type of defects and mode of material failure of engine‐driven and hand‐operated ProTaper instruments after clinical use. Methodology  A…”
Get full text

Influence of surface treatment on the resin-bonding of zirconia by Şanlı, Seda, Çömlekoğlu, Mine Dündar, Çömlekoğlu, Erhan, Sonugelen, Mehmet, Pamir, Tijen, Darvell, B.W

“…Highlights • We introduce a symmetric four-point bending test for adhesion testing. • Simple gritblasting alone may be the currently optimized procedure that…”
Get full text