Dental operation

You are on a role of a dentist and this morning your first patient is a boy who takes the pain on his teeth. At first you should immobilize the chin, for this you have to use the positionner and take the film of the teeht. With this action you can see the teeth which suffer the boy. After identify the teeth which needs an operation you should use the gel then act the local anesthesis for avoiding any suffer during the operation. Do not excite yourself any more because you are a professor on this job.