Painless dentistry has entered a new era with Lasers. An amplified high energy light source replaces the dental drill and scalpel which patients have feared for many years.Painless dentistry has entered a new era with Lasers. An amplified high energy light source replaces the dental drill and scalpel which patients have feared for many years.Painless dentistry has entered a new era with Lasers. An amplified high energy light source replaces the dental drill and scalpel which patients have feared for many years.