The only drawback to ceramic brackets are that they are more fragile, and the elastic ties can discolor between orthodontic visits. Back to Top Metal Braces Metal braces are the most common type. They are made of high-grade stainless steel. Today's metal braces are smaller, more comfortable and more attractive. Back to Top Types of Appliances Palatal Expander Widens the jaw to correct narrow bite towards the back of the jaw. Back to Top Nance Button/Holding Arch Prevents molars from moving forward.
A cost center is part of an organization that does not produce direct profit and adds to the cost of running a company. Employees and cost center management are responsible for its costs but not for the revenues or investment decisions.
Difference between a cost centre and a profit centre. A cost centre adds to a firm's cost whereas a profit centre adds to the firm's cost and profit. Furthermore, the main objective of a cost centre is to minimise cost whereas the main objective of a profit centre is to maximise profit.