30 November 2013 // by biodentistry.eu From 2007 to 2009 the patient received orthodontic treatment. A large cavity developed. In 2009 a class II restoration was made with bio-active glass. In a second stage the top layer was replaced with composite (cosmetic reasons). (delayed sandwich) Clearly visible is the ongoing mineralization of the dentin. The dentin is mineralized into fluor-hydroxy apatite. The nerve reacted normal during treatment and is still vital.