Hard gum chewing and facial shape changes
Part of Mouth & dental clinical trials.
This study looks at how chewing a hard gum for 4 weeks might change the shape of your face and jaw muscles. It is for healthy adults aged 20–40 with no jaw problems or missing teeth.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You are a healthy adult between 20 and 40 years old.
- You do not smoke.
- You have all your front teeth and first molars (no missing teeth except possibly your very back molars).
- You do not have jaw pain, clicking, or face pain.
- You are not currently in braces or have had braces removed less than 6 months ago.
- You are willing to chew a special hard gum for 4 weeks and come to study visits.
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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