Dental

Which of the following depicts the usual order of extraction of teeth, if serial extraction is chosen as the treatment to alleviate severe crowding?

Primary second molars, primary first molars, permanent first premolars, primary canines

Primary canines, primary first molars, permanent first premolars

Primary first molars, primary second molars, primary canines

Primary canines, permanent canines, primary first molars, permanent first premolars