Studies show that excessively vigorous brushing can damage enamel. Use a soft-bristled brush and try gripping it like a pencil to help get the right angle for gentle brushing. One widely recommended technique is to brush in small circles with short strokes. Be sure to brush the outer, inner, and the chewing surfaces of your teeth. And here’s a helpful trick: pretend you’re painting your teeth and cover the entire surface of each tooth with the brush.