![shutterstock_100849522](https://www.nationalelfservice.net/cms/wp-content/uploads/2014/11/shutterstock_100849522-150x150.jpg)
22 RCTs were included in this review of the influence of the monomer HEMA in the formulation of dental adhesive systems suggests that HEMA-free adhesive systems do not have better clinical performance of the non-carious cervical lesion restorations than HEMA-containing systems.
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