2 articles for “Muhammad S. Zafa”

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Research ArticleOpen accessIn the author namesInfluence of Curing Light Type and Staining Medium on the Discoloring Stability of Dental Restorative CompositeJamaluddin Syed, Ayman Al. Dharrab, Muhammad S. Zafa et al.Discoloration kinetics of 4 commercial nano-filled resin composites polymerized with LED and QTH source types in 4 different staining media held at 37°C are investigated. Quartz Tungsten Halogen (QTH) and Light Emitting Diode (LED) were used. Dental composites color change was monitored with a digital spectrophotometer at one, two and four weeks for quantitative comparison. The kinetics and intensities of … …American Journal of Biochemistry and Biotechnology, Vol. 13, Issue 1 · 21 Mar 2017 · 8,354 accessesView PDF Cite

Research ArticleOpen accessIn the author namesReport on Mammalian Fossils of Chinji Formation, Dhulian, PakistanMuhammad Akbar Khan, Abdul Ghaffar, Zulfiqar Ali et al.Twenty mammalian fossil specimens of varying preservational state are described from the Chinji Formation of Dhulian, Pakistan. The remains described in this study are all teeth and represent the Proboscidea, Perissodactyla and Artiodactyla. All the dental specimens are new variants recorded here for the first time. Pliotriplopus dhulianensis is new to science having small size and absence of crista than … …American Journal of Applied Sciences, Vol. 2, Issue 12 · 31 Dec 2005 · 7,274 accessesView PDF Cite