What is joined?
Hard tooth tissue and restorative material, for example in a composite filling or a suitable ceramic restoration.
← All explanationsAdhesive bonding
How is a filling bonded to a tooth?
Adhesive bonding joins a restoration to hard tooth tissue through prepared surfaces. Bonding agents help create the connection. The approach depends on the enamel, dentine and restorative material involved.
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Preparing the surface
The tooth surface and, where needed, the restoration are prepared for a durable bond. Enamel and dentine have different properties.
A bonding agent connects them
An adhesive helps join the tooth and restorative material. Bonding describes a technique, not a separate type of filling.
Careful technique matters
Moisture control and material-specific handling affect the bond. Bonded restorations still need reviews and daily cleaning.
At a glance
Why prepare the surfaces?
Different surfaces need specific steps for the bond to work.
What matters for the technique?
Appropriate materials, controlled moisture and careful handling according to the particular system.
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Often confused
Adhesive or composite?
An adhesive is a bonding agent. Composite is a restorative material; both can be used in the same restoration.
Quick answers
Is adhesive bonding the same as composite?
No. Composite is a material; adhesive bonding describes how a connection is created.
Is every restoration bonded the same way?
No. Preparation and fixing depend on tooth surfaces, material and restoration design.
Does this rule out new decay?
No. Margins and other tooth surfaces still need cleaning and checking.
At the practice
For your consultation
A question to discuss with Dr. med. dent. Niusha Barahmand Pour:
How can my existing tooth tissue be preserved during the planned restoration?
At the practice, the findings, personal wishes and possible next steps are discussed through a consultation and examination.
The suitable restoration depends on the defect and tooth tissue that can be preserved.
Discuss preserving your toothChoose 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.
- Adhesion
- Attachment between different surfaces.
- Adhesive
- A material that promotes bonding.
- Conditioning
- Specific preparation of a surface for bonding.
Know the difference
The bonding technique and the material of the finished restoration are not the same thing.
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.