What question did this study set out to answer?

This study aims to investigate how self-etching adhesive affects matrix metalloproteinase expression in the dentin-pulp complex.

Self-etching Increases Matrix Metalloproteinase Expression in the Dentin-Pulp Complex

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Randomized trial evaluates MMP expression in the dentin-pulp complex after adhesive treatment, indicating odontoblast involvement.

This study aims to investigate how self-etching adhesive affects matrix metalloproteinase expression in the dentin-pulp complex.
Cultured tooth slices were treated with self-etching adhesive on dentin cavities.
Changes in MMP-2 and proMMP-9 expression were evaluated using immunohistochemistry and zymography.
The focus was on the response of odontoblasts in the dentin-pulp complex.
Treatment increased MMP-2 expression in odontoblasts as shown by immunohistochemistry.
Zymography indicated raised levels of proMMP-9 and MMP-2 in dentin when pulp was present under self-etching treatment.
Findings suggest odontoblasts play a role in hybrid layer degradation due to MMP secretion.

Lehmann et al. (2009) studied this question.

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