How to Do Mouth Stretching Exercises for Scleroderma

Yes, there are specific, practical exercises you can do to stretch your face and lips. Consistent mouth and facial stretching exercises have been shown to improve how wide you can open your mouth (a condition known medically as microstomia) ^[1]. Doing these exercises daily can help maintain your skin’s flexibility, making eating, speaking, and dental care much easier over time ^[2].

Understanding Microstomia

In scleroderma, the overproduction of collagen can cause fibrosis (thickening and scarring) of the skin and tissues around your mouth ^[3]. This tightening leads to microstomia, which literally means “small mouth.” A shrinking mouth opening is a very common challenge that requires early and consistent management ^[4]. When your mouth opening becomes restricted, it can impact your nutrition and make it difficult to properly brush and floss, which increases the risk of tooth decay and gum disease ^[5].

Tip for daily life: While you work on improving your mouth opening, switching to a toddler-sized toothbrush or a water flosser can help you maintain excellent oral hygiene in tighter spaces.

Preparing for Your Exercises

Because scleroderma causes the skin to become tight and rigid, your tissues need to be warmed up and protected before you begin stretching.

• Lubricate the Skin: Scleroderma can make the skin around the lips fragile and prone to cracking. Always apply a generous layer of thick lip balm, petroleum jelly, or your prescribed emollient immediately before starting to prevent painful tearing.
• Warm the Tissues: The best time to perform your stretching routine is immediately after a warm shower. If you haven’t showered, apply a warm, damp washcloth to your face and lips for 3 to 5 minutes.
• Frequency and Expectations: To see the best results, you must perform these exercises daily. Building a consistent habit is critical, even though sticking to a regimen can be challenging ^[1]. Keep in mind that improvements in tissue flexibility are slow; your primary goal may be maintaining your current opening and preventing it from getting worse.

Recommended Stretching Exercises

Here are three specific exercises you can incorporate into your daily routine. Perform these gently but firmly—you should feel a stretch, but never sharp pain.

1. The ‘A-E-I-O-U’ Exaggerated Movements
This exercise uses vowel sounds to stretch the mouth and facial muscles in multiple directions.

• Look in a mirror to ensure you are moving your mouth as much as possible.
• Pronounce each vowel—A, E, I, O, U—very slowly and with dramatically exaggerated lip and jaw movements.
• Hold each vowel position for 3 to 5 seconds.
• Repeat the entire sequence 5 to 10 times.

2. Manual Lip Stretching
This exercise helps improve the flexibility of the lips themselves (the inter-labial distance) ^[6].

• Ensure your hands are washed and your lips are heavily lubricated with a balm.
• Place your thumbs or index fingers just inside the corners of your mouth.
• Gently and steadily pull the corners of your mouth outward toward your ears, creating a wide artificial smile.
• Hold the stretch for 10 seconds, then slowly release.
• Repeat 5 times.

3. Finger Extension Routine for Jaw Opening
This exercise helps measure and expand your maximal mouth opening (the distance between your upper and lower teeth).

• Open your mouth as wide as comfortably possible.
• Stack your fingers vertically (start with two fingers, index and middle) and try to place them between your upper and lower front teeth.
• If two fingers fit easily, try to gently stretch your jaw to fit three fingers.
• Hold the widest stretch you can tolerate for 10 seconds.
• Relax your jaw, and repeat 5 times.

Safety Note: This exercise can sometimes strain the temporomandibular joint (TMJ). If you experience pain, clicking, or popping specifically in the jaw joint near your ear, stop the exercise and consult your care team.

Partnering with Professionals

While these home exercises are highly beneficial, working with a physical therapist or speech-language pathologist who understands scleroderma can maximize your results. Supervised, home-based rehabilitation programs are highly effective in reducing the daily limitations caused by facial tightening ^[2]. It can also be helpful to track your progress by taking a monthly photo or recording your finger measurements.

If stretching alone is not enough to maintain your mouth opening, talk to your specialist. Doctors can sometimes offer other specific medical treatments, such as fractional CO2 laser therapy, microfat grafting, or specialized injections (like hyaluronidase), to help improve mouth opening capacity and function ^[7][8][9].