Can Jaw Surgery Help with Speech Problems?
Your jaw position affects how you speak. Here is the relationship between orthognathic surgery and speech.
Yes β orthognathic surgery can improve speech problems that are caused by jaw misalignment. Here is how:
- Speech issues that can improve:
- Lisping β often caused by tongue placement relative to the teeth and palate
- Sibilant sounds (S, Z) β improved by proper tongue-palate positioning
- Labial sounds (M, B, P) β improved by proper lip closure
- Articulation disorders β caused by the tongue not reaching the correct position
- Why surgery helps:
- Moving the jaws changes the shape of the oral cavity
- The tongue has a new, more functional space
- Lip closure becomes easier (affects certain sounds)
- The palate position changes (affects tongue contact)
- What to expect:
- Speech may be affected immediately after surgery due to swelling and elastics
- Once swelling resolves, speech typically improves over 1β3 months
- Sound clarity may improve as you adapt to the new oral anatomy
- Some patients benefit from speech therapy post-surgery
When Not to Expect Improvement
Speech problems that are not jaw-related (e.g., from neurological conditions, hearing loss, or habit) will not be improved by surgery alone.
Clinical Guidance
Jaw surgery can significantly improve speech problems caused by jaw misalignment. The tongue and palate relationship is corrected, making proper articulation easier. If you have speech difficulties related to your jaw position, orthognathic surgery may help.