The subject of oral healthcare is a crucial research field with significant technological development. This examines the health care known as dentistry, branch medicine concerned anatomy, development, and disorders teeth. Good essential for speaking, smiling, testing, touching, digesting food, swallowing, many other aspects, such expressing variety emotions through facial expressions. Comfort i...

This study is concerned with the concentrates of heavy metals (Cd , Pb and Zn ) that found in Lisa subviridis fish, which were collected on April 2017 to September 2018, it brought from Iraqi seawater, samples fish dried by (Deep Freeze Drier), ash was estimated furnace then digested Nitric acid, after digesting diluted above Flame Atomic Absorption Spectroscopy, results shows upper values (Cd,...

The objective of this work is to prepare a cost-effective, low reagent consumption and high performance polytetrafluoroethylene (PTFE) vessel that is capable to work in domestic microwave for digesting food and environmental samples. The designed vessel has a relatively thicker wall compared to that of commercial vessels. In this design, eight vessels are placed in an acrylonitrile butadiene st...