Oral and maxillofacial surgery is the branch and specialty of dentistry which is concerned with and includes the diagnosis, surgical and adjunctive treatment of disorders, diseases, injuries, and defects involving the functional and aesthetic aspects of the hard and soft tissues of the oral and maxillofacial regions and related structures.


The NDSE in oral and maxillofacial surgery tests a candidate’s knowledge and clinical competence in oral and maxillofacial surgery at the specialty level in Canada.


Canadian oral maxillofacial surgical specialists are required to have broad knowledge and skills in ten domains of the oral maxillofacial surgery. The blueprint below indicates the domains and approximate percentage of questions in each domain.

Oral Maxillofacial Surgery Blueprint 


of questions

Temporomandibular Disorders 5
Implants 10
Cleft Lip and Palate/Craniofacial Syndromes 5
Dentoalveolar/Preprosthetic Surgery 10
Medicine 10
Pathology 10
Orthognathic Surgery 10
Reconstructive Surgery 10
Trauma 15
Anesthesia and Sedation 15
Total 100%


The examination will consist of two three-hour parts. The examination format consists of a mix of stand-alone short- and long-answer questions that assess general knowledge and application, and case-based questions that assess diagnostic and clinical decision-making ability.