Final answer:
An orthodontic scaler is a dental instrument used for cleaning teeth and assisting with bracket placement.
Step-by-step explanation:
An orthodontic scaler is a dental instrument that is used to remove excessive cement from banding, aid in direct bracket placement, and remove elastomeric rings. It is commonly used in orthodontic treatments to clean and prepare the teeth before and after the placement of braces or other orthodontic appliances.