Is sucking always a problem?
No; it is initially a normal need in young children.
← All explanationsThumb and pacifier sucking
When can sucking habits affect the bite?
Sucking is a normal need in young children. Persistent thumb or pacifier sucking can be associated with changes in tooth position. Duration, frequency and intensity are among the relevant factors. Help with stopping should suit the child’s developmental stage and avoid shame or blame.
For dental trainees & teams
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A normal need
Not every sucking habit means a malocclusion. How long and how often pressure acts on teeth and jaws matters to assessment.
Observe the bite
An open bite or crossbite may be associated with persistent sucking habits. Examination shows which changes are actually present.
Change with support
A gradual approach and suitable alternative ways to settle are discussed together. Punishment and pressure do not support trusting cooperation.
At a glance
What should be observed?
Persistent habits and changes in how the teeth meet.
How can a child be supported?
Gradually, without shame and in a developmentally appropriate way.
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Often confused
A habit or a diagnosis?
Thumb sucking describes behaviour. Open bite and crossbite describe findings. A habit alone cannot establish a diagnosis or predict the outcome.
Quick answers
When should it be discussed?
Raise it early at dental check-ups. If the habit persists in the third year of life or the bite looks unusual, individual advice is useful.
Will the teeth correct themselves afterwards?
Some changes may improve after the habit stops. This is not certain and depends on bite pattern, age and other influences; follow-up remains important.
Does an “orthodontic” pacifier guarantee protection?
No. A product shape cannot guarantee unaffected dental development. Duration of use and individual development also matter.
At the practice
For your consultation
A question to discuss with Dr. med. dent. Niusha Barahmand Pour:
Does my child’s bite show changes, and what age-appropriate support could help the habit stop?
Symptoms, examination findings and personal wishes form the basis of individual treatment planning.
A habit and its possible effects on the bite can be considered together.
Discuss dental developmentChoose an appointment on DoctolibLearning for dental trainees & teamsUnderstand clinical terms and build your knowledge
Build on the simple explanation with clinical terms, key distinctions and a knowledge question.
- Non-nutritive sucking
- Sucking without feeding, for example on a thumb or pacifier.
- Open bite
- Lack of contact between certain upper and lower teeth when biting together.
- Oral habit
- A repeated behaviour considered during assessment.
Know the difference
The effect depends on frequency, duration and intensity. Bite changes often have several contributing factors.
Sources and context
Editorial research: 23 October 2026. This explanation covers general principles and does not replace a personal examination. Suitable treatment is discussed following individual assessment.