1. Laser Root Canal Therapy Paul Song Microbiology Dept, George Mason University

2. Infected Root Canal

3. Mechanical Removal of Infected Pulp

4. Laser Root Canal Therapy

5. Two groups, Group A and Group B Group A receives traditional root canal therapy while Group B receives laser treatment Groups switch roles after initial root canal Two month incubation Two months will be given to allow remaining bacteria (if any) to multiply Degree of infection will then be analyzed using xrays and computer generated images Research Design

6. Post-Analysis If results correlate to the hypothesis, a formal paper edited by peers will be sent to the A.D.A. for publication.