- Relax your face — remember the rule: “Lips together, teeth apart”.
- Avoid grinding your teeth.
- Avoid constant gum chewing.
- Don’t cradle the phone receiver between your head and shoulder — either use a headset or hold the receiver to your ear.
- Chew food evenly on both sides of your mouth.
- Do not sit with your chin rested on your hand.
- Practice good posture — keep your head up, back straight, and shoulders squared.