During a class III or IV restoration,the dentist may use a _____ to help reproduce the correct contours and contact.

Question

Quizplus · Accepted Answer

The dentist will pay close attention to the contouring of a class III or IV restoration,making sure to reproduce the correct contours and contact.To help in the contouring process,a Mylar matrix system is used.
The Tofflemire matrix system is used with restorations on the posterior teeth.
The universal matrix system is the same as the Tofflemire system and is used on the posterior teeth.
Gingival retraction cord is placed under the gingiva and does not aid in the contouring of the tooth.

During a Class III or IV Restoration,the Dentist May Use