Surface primer compositions and methods of use

A dental adhesive comprising a formulation or a mixture of:

• a) the compounds of the Formula II:
• wherein:
• m is 1, 2 or 3;
• n is 1, 2 or 3;
• i is 1, 2 or 3;
• each EG and EG1 is an end group independently selected from the group consisting of a C1-12alkyl, CH2═CH—, CH2═C(C1-3 alkyl)-, CH2═CHC(O)—, CH2═C(C1-3 alkyl)C(O)—, CH2═CHC(O)O—, CH2═C(C1-3 alkyl)C(O)O—, and —Ar-(BG)a;
• and wherein, a is 2 or 3;
• and wherein each BG is selected from the group consisting of —OH;
• each of SP1, SP2 and SP3 is a spacer independently selected from the group consisting of —O—, —C(O)—, —C—, —CH—, —(CH2)q—, —(CH(OH))q—, —(CH2CH(OH)CH2)q—, —(C(CH3)2)q—, —(CH(CH3))q—, —OC(O)—, —CO2—, —OCH2CH2C(O)—, —C(O)CH2CH2C(O)—, —(CH2CH2O)p—, —(CH2CH2O)pCH2CH2—, —CH2CH2—(CH2CH2O)p—, —OCH(CH2O—)2—, wherein p is 1-6, and q is 1-6;
• and
• b) a dental primer selected from the group consisting of phospho-SP-acrylates and phospho-SP-methacrylates.