Clinical term
thumb sucking
Habits that place sustained pressure or alter oral posture, and can push front teeth forward, narrow the arch and open the bite.
Also called: mouth breathing
Reviewed by Dr. Amit Sharma, Oral & Maxillofacial Surgeon · Last reviewed 3 September 2026
Read the full guideThumb Sucking Appliances
Where we discuss thumb sucking
- Thumb Sucking Dental Complications: Orthodontic Appliances to Break Habits
- How Thumb Sucking Affects Teeth and Child Jaw Development
- Mouth Breathing in Children: Dental Signs and Airway Health
- Thumb Sucking Appliances
- Mouth Breathing and Facial Growth
- Thumb Sucking and Tongue Thrusting: Effects on Your Child's Bite
Related clinical terms
Concerned about this in your own mouth?
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