Dental filling retainment device and methods of using same

A method of providing stable confinement during placement of dental filling material when repairing an interproximal tooth structure, the method comprising:

• providing a dental matrix device comprising a first guide member, a second guide member, and a matrix band;
• positioning the matrix band around the first and the second guide members;
• passing the matrix band between a first pair of teeth with the first guide member positioned on a first side of the first pair of teeth and the second guide member positioned on a second side of the first pair of teeth;
• and
• constricting the matrix band around the first and the second guide members to cause the first guide member to move toward the second guide member.

A system for performing a repair of dental defects, the system comprising:

• a first guide member comprising a body portion comprising a proximal end and a distal end, the first guide member configured to be positioned on a first side of a pair of teeth such that, in an operable state, the distal end of the body portion of the first guide member is positioned closer to the pair of teeth than the proximal end of the first guide member;
• a second guide member comprising a body portion comprising a proximal end and a distal end, the second guide member configured to be positioned on a second side of the pair of teeth such that, in the operable state, the distal end of the body portion of the second guide member faces toward the pair of teeth;
• a matrix band configured to, in the operable state, extend around at least a portion of the first guide member, between the pair of teeth, and around at least a portion of the second guide member;
• and
• a matrix retainer configured to selectively tighten the matrix band around the first and the second guide members in the operable state of the system.