Introduction to Dental Assisting Profession and Dental Terminology

Dental Practice Team Dynamics

  • TEAM Acronym Concept:

    • Represents the underlying philosophy: "Together Everyone Accomplishes More".

  • Leadership and Team Roles:

    • Dentist Leadership: The dentist acts as the leader of the dental care team.

    • Patient Care Responsibility: The dentist holds ultimate legal and clinical responsibility for patient care and outcomes.

    • Mutual Support: All team members are expected to assist each other across clinic operations.

  • Core Workplace Values:

    • Harmony and Flexibility: Essential qualities required to maintain efficient clinic workflow and a positive clinical environment.

    • Loyalty and Respect: Mandatory professional standards toward the leading dentist and fellow team members.

Dental Profession Qualifications and Regulation

  • Doctor of Dental Surgery (DDS):

    • Core Competencies:

      • In-depth knowledge of methods used to prevent oral diseases.

      • Profound technical proficiency and skill in repairing and replacing damaged or missing teeth.

      • Qualification to perform dental prophylaxis procedures.

    • Educational Requirements:

      • Candidates typically complete an undergraduate university degree prior to dental school admission.

      • Requires a minimum of 4 years of dedicated graduate dental education at an accredited institution.

      • Attaining specialization requires an additional 2 to 3 years of advanced specialty training.

  • Regulatory Bodies:

    • Ontario Licensing: Dentists practicing within the province of Ontario must be registered with and regulated by the Royal College of Dental Surgeons of Ontario (RCDSO).

    • Provincial Governance: Each individual Canadian province possesses its own specific licensing and governing body.

Dental Specialties and Scope of Practice

  • Public Health Dentistry:

    • Focuses on the prevention and control of dental diseases across populations.

    • Promotes oral health through organized community efforts and government programs.

    • Key Example: The "Healthy Smiles Ontario" program.

  • Endodontics:

    • Specializes in the diagnosis, prevention, and treatment of diseases and injuries affecting the dental pulp and associated root canal structures.

    • Focuses on saving natural teeth through root canal therapy and periapical procedures.


Cross-section of a tooth showing deep decay, damaged pulp, and an apical abscess


Endodontic root canal therapy procedure and post-treatment radiograph
  • Oral Pathology:

    • Specializes in the investigation, clinical identification, and management of diseases affecting the oral structures and adjacent anatomical regions.


Clinical examination of a mucosal lesion in the oral cavity
  • Oral and Maxillofacial Surgery:

    • Responsible for the diagnosis, surgical management, and adjunctive treatment of diseases, injuries, and defects involving both functional and aesthetic aspects of the oral and maxillofacial region.

    • Treatments range from surgical extraction of impacted third molars to complex orthognathic realignments.


Anatomy of impacted maxillary and mandibular third molars


Diagram of maxillofacial surgical hardware and jaw realignment
  • Orthodontics:

    • Involves the supervision, guidance, and correction of all forms of malocclusion involving growing or mature dentofacial structures.

    • Employs functional and fixed corrective appliances to optimize occlusion and facial alignment.


Before and after orthodontic alignment
  • Pediatric Dentistry (Pedodontics):

    • Provides comprehensive preventive and therapeutic oral health care for children from birth through adolescence.

    • Specializes in managing dental care for patients presenting with mental, physical, or emotional challenges.

  • Periodontics:

    • Focuses on the diagnosis and treatment of diseases affecting the supporting and surrounding tissues of the teeth (gingiva, periodontal ligament, cementum, and alveolar bone).

    • Encompasses surgical and non-surgical therapies, including dental implant placement.


Periodontal probing measuring sulcus pocket depth and tissue attachment


Single tooth dental implant structure with abutment and crown
  • Prosthodontics:

    • Focuses on restoring and maintaining oral function, comfort, appearance, and overall health by restoring natural teeth or replacing missing teeth with artificial prostheses.

    • Includes complete full dentures, removable partial dentures, custom full-coverage crowns, and fixed dental bridges.


Complete upper and lower dentures


Diagram of a single tooth crown restoration placement


Fixed dental bridge structure and installation