If you feel the need to clean your teeth after eating or drinking, wait at least 60 minutes before brushing—especially if you have had something acidic like lemons, grapefruit or soda. Drink
Soft bristles are a safe bet. And be mindful to be gentle, especially where your gums and teeth meet, as you brush. Talk to your dentist about what kind of toothbrush is best for you.
Here's one technique to try for a thorough brush:
First, place your toothbrush at a 45-degree angle to the gums.
Then, gently move the brush back and forth in short (tooth-wide) strokes. Next, brush the outer surfaces, the inner surfaces, and the chewing surfaces of the teeth.
Finally, To clean the inside surfaces of the front teeth, tilt the brush vertically and make several up-and-down strokes.