The Rootcanal treatment is considered as the most accurate one
followed in (( dentistry )), which need a right diagnosis and exact
treatment steps to be performed completely for an excellent
prognosis treatments ended by along time –perfect success.
This study aims to evaluate the effect of intrusion method on the
occlusal relationships during the Anterior Open Bite treatment by
applying Decortication and Low Level Laser by using posterior bite
block to intrude the posterior segment by analyzing study casts.