Ewart qualified in University College London in 1989. He joined Gwaun Cae Gurwen Dental Practice in 1990 . Ewart is a dentist with a special interest in orthodontics and worked in Morriston Hospital orthodontic department providing straight wire fixed orthodontics and sleep apnoea and snoring appliances.
Ewart has a diploma in postgraduate dental studies (PDDS Wales) with interests in endodontics, dental trauma and adhesive dentistry. He has a postgraduate diploma in medical education (PgDip Med Ed) as he works as a Dental Tutor for the Wales Deanery PGMDE.
Ewart is trained in CAD/CAM Cerec single day restorations.