Nova Dental Clinic Escape

It requires skills to find out the objects,solve the puzzles and escape out.

A man was having pain in his teeth, so he was in the Nova Dental Clinic for dental check up. After getting treatment he felt some giddiness. He took a rest for some time in the clinic. The security did not notice, but closed the clinic. The man wakes up and finds no one there to open the door. There are some clues, objects and puzzles to solve. Solve these puzzles and help the man to escape from the clinic.