Invisalign and Speech: Lisps and Adaptation
A mild lisp first 1–7 days is normal. Here's what to expect and when to worry.
Dr. James Chen
Orthodontist
First week
- 50%+ of patients notice slight 's' change
- Brain adapts naturally
- Resolves within 7 days typically
What helps
- Read aloud daily
- Practice the sounds that feel odd
- Don't remove aligners to 'rest'
- Stay confident
When it persists
- Past 2 weeks: check attachment positions
- Specific sounds affected: usually 's', 'th', 'z'
- Consult if significantly affecting work
Refinement aligners
- Similar brief adaptation each new tray
- Shorter adaptation by 3rd–4th tray
References
- American Association of Orthodontists
Referenced sources
- American Association of Orthodontists
Medical disclaimer. This article is informational and does not replace professional clinical advice. For a plan specific to your situation, book a consultation with a Paradise Dental specialist.
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