Bad Habits That Affect the Shape of Your Jaw
The mouth is an essential part of the facial skeleton that plays a vital role in many daily functions such as chewing, speaking, and breathing. The jaw consists of two main parts: the upper jaw (fixed upper jaw) and the lower jaw (movable lower jaw), where the lower jaw is connected to the skull through a joint called the temporomandibular joint (TMJ). The jaw works in coordination with the facial muscles and teeth to balance vital and structural functions.
The shape and function of the jaw is an important element that affects the aesthetics of the face and the balance of muscles and bones. Any imbalance in the shape or function of the jaw leads to health issues such as difficulty chewing or jaw pain, and may affect a person’s overall appearance.
Bad habits can negatively affect the shape of your jaw over time. Here are some of the most common habits:
Common Bad Habits:
- Mouth breathing: Breathing through the mouth instead of the nose, especially in children, can lead to elongation of the face and narrowing of the jaw. This disrupts proper jaw development and can cause misalignment.
- Thumb sucking: Prolonged thumb sucking in early childhood can lead to misalignment of the teeth and affect jaw development, often resulting in an overbite or changes in the shape of the palate.
- Bruxism: Habitual bruxism, especially at night, can wear down teeth and put pressure on the jaw muscles, leading to jaw pain, jaw shape changes, and possible disorders such as TMJ (Temporomandibular Joint Disorder).
- Chewing things: Regularly chewing pens, nails or other objects can put pressure on the jaw, causing an imbalance in how the jaw develops and functions.
- Poor posture: Stooping or poor head posture (such as “texting neck”) can affect the alignment of the jaw. Over time, this can lead to a sunken chin or asymmetrical jaw shape.
- Resting the chin on the hands: Constantly resting the chin on the hands can put pressure on the lower jaw, which can cause misalignment or changes in the shape of the jaw over time.
- Jaw clenching: Similar to bruxism, repeatedly clenching the jaw during stress or other situations can strain the jaw muscles and lead to changes in form and function, often causing discomfort or joint issues.
Avoiding these habits can help maintain a more natural and healthy jaw structure. If issues are already present, orthodontic or dental interventions may be necessary to correct them.
Effective Strategies to Reduce Harmful Habits:
- Bruxism (Teeth grinding)
- Use a mouth guard: If you grind your teeth at night, consider wearing a mouth guard to protect your teeth and jaw.
- Stress management: Bruxism is often associated with stress; practicing relaxation techniques such as meditation or yoga can help.
- Mouth relaxation: During the day, check if your jaw is tight and consciously relax it. Massage your jaw muscles to relieve tension.
- Stop chewing non-food items
- Awareness: Be aware of habits such as chewing pens, nails or ice, which can strain the jaw and teeth.
- Substitution: Replace these things with something healthier, such as sugar-free gum, or practice stress-relieving techniques.
- Avoid excessive chewing gum
- Limit chewing gum: Excessive chewing can strain the jaw muscles. Stick to short periods of chewing gum, especially the sugar-free varieties.
- Correct poor posture
- Ergonomics: Poor posture, especially from bending over phones or computers, can lead to jaw strain. Maintain a straight and neutral posture to minimize jaw tension.
- Take breaks: Stretch and adjust your posture regularly, especially if you sit for long hours.
- Stop biting nails
- Behavioral techniques: Use reminders such as bitter nail polish or bandages on your fingers to reduce the habit of nail biting, which puts pressure on the jaw and teeth.
- Keep your hands busy: Manipulate something or keep your hands busy with a small task to avoid nail biting.
- Avoid chewing hard foods
- Choose soft foods: Minimize chewing hard foods (such as hard candy and nuts) that put unnecessary pressure on the jaw.
- Cut the food into small pieces: This reduces the effort needed to chew and helps prevent overstretching of the jaw muscles.
- Correct tongue position
- Proper resting position: The tongue should rest gently on the roof of the mouth with the teeth slightly apart; this reduces jaw pressure and tension.
- Practicing functional muscle exercises: These exercises can help improve tongue position and relieve jaw strain.
- Minimize jaw tension during exercise
- Conscious effort: When lifting weights or exercising intensely, focus on keeping your jaw relaxed to avoid jaw clenching.
- Mouth guards: If jaw clenching during exercise is an issue, wearing a mouth guard may help.
- Minimize excessive talking or yawning
- Pace your conversations: Speak less in situations where your jaw may become overused, such as during a long conversation or when you are already tired.
- Controlled yawning: Avoid excessive yawning or yawning with your mouth wide open, which can strain your jaw muscles.
These techniques help eliminate habits that put pressure on the jaw and promote healthy jaw function in the long run.
What is the meowing technique that went viral ?
You can influence the shape of your jawline through tongue position and placement, especially through a technique called “mewing.” Here’s how it works:
- Rest your tongue against the roof of your mouth: Your entire tongue (not just the tip) should be pressed against the palate (roof of your mouth) but without causing tension. Close your mouth and lips. Keep your mouth closed while maintaining tongue position, and breathe through your nose.
- Gently align your teeth: Your teeth should gently touch without grinding or clenching.
- Maintain good posture: Keep your head up, shoulders back, and neck aligned with your spine to support proper jaw position.
Over time, this practice may help define your jawline and improve your facial structure by encouraging proper growth and muscle activation. However, noticeable changes may take months or even years and results vary depending on age and facial structure. The aim is to improve the position of the mouth and alignment of the teeth in the long term, not to make immediate changes. For major changes, consult a specialist such as an orthodontist.
The jaw is a vital and essential part of the facial structure, playing an important role in multiple functions. Paying attention to daily habits and avoiding bad ones helps protect the structure and function of your jaw. With proper care, the jaw enhances facial beauty and contributes positively to overall health and quality of life.

