civil engineering portal about civil engineering engineering is a term applied to the profession in which a knowledge of the mathematical and natural sciences gained by study experience and practice is applied to the efficient use of the materials and forces of nature engineers are the ones removing teeth for orthodontic treatment why tooth extractions might be necessary to straighten a smile orthodontics the art and science of moving teeth into better positions allows us to transform a crooked smile into one that is beautifully aligned exactly how this is done depends on several iredale cosmetics accessibility statement we at iredale cosmetics inc are committed to inclusion and accessibility for all we are continually improving the user experience of our website for everyone we are working towards implementing web content accessibility guidelines 20 level aa our