How pliers have sure-hold serrated gripping tips and non-contacting bowed jaws that won’t pinch the patient’s lip. Tips are 1/8 inch diameter (3.2 mm). How orthodontic pliers are considered general utility pliers and are used for a variety of tasks, they are especially designed for grasping auxiliary attachments inside the mouth. The tips are rounded for patient comfort and safety and are often serrated for superior grip. How style pliers used for multiple tasks.