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Dental hygiene (diploma)

  • Course Type: Undergraduate
  • CAO Course Code: TR802
  • No. of Places: 8
  • Min Entry Points for 2014: 415* points
  • Duration: 2 Year(s) Full Time
  • Award: Diploma
  • Specific Entry Requirements: See requirements
  • Restricted Entry:

    This is a restricted entry course. Applications must be submitted by 1 February 2016.

    Applicants will receive a questionnaire in March to be completed and returned.

  • How to apply: See how to apply

Admission Requirements

For Admission requirements please click here


To apply to this course, click on the relevant Apply Link below

    What is a Dental hygienist?

    The dental hygienist works closely with other dental team members and healthcare professionals. Patients must first be examined by a dentist who will then indicate the treatment to be carried out by the dental hygienist. The dental hygienist focuses on preventative oral care for both children and adults, including those with special needs. Dental hygienists treat patients in the clinical setting to prevent or control periodontal (gum) disease and dental decay. They also engage in oral health promotional activities with individuals, targeted groups and other health care teams, providing advice and counselling in relation to diet and lifestyle habits such as smoking.

    Is this the right course for you?

    If you have an interest in working in oral health, and particularly preventative oral health, then this course is right for you. You will need to be able to develop good patient care skills, so an empathic personality and good communication skills are important. You need to be a good team player and show initiative to achieve the best for people in your care.

    What will you study?

    This two-year course is based in the Dublin Dental University Hospital at Trinity. It has academic, project-based and clinical components which are carried out in the Dublin Dental University Hospital, Health Services Executive and general hospital settings. Emphasis is on small-group interactive learning, health promotion projects, evidence-based learning, and clinical practice. You will be integrated with undergraduate dental science students and dental nursing students for some elements of the programme.


    • Introduction to Applied Clinical Science
    • Introduction to Clinical Practice
    • Clinical Practice and Health Promotion


    • Health Promotion
    • Evidence Based Practice
    • Clinical Practice

    After qualifying as a dental hygienist you will be able to:

    • Describe the role of the dental hygienist and function within a dental team in oral health promotion and the provision of primary health care
    • Plan, implement and evaluate oral educational activities for groups and individuals
    • Carry out procedures to measure and assess the levels of oral health and oral hygiene
    • De-bride and polish the teeth
    • Place fissure sealants
    • Apply fluoride-containing preparations and desensitising agents to the teeth
    • Recognise abnormalities in the mouth and inform the dentist
    • Take dental radiographs
    • Administer local anaesthetic for dental hygiene procedures
    • Place temporary dressings and re-cement crowns temporarily


    Assessment is by a combination of written assessments and examinations, objective structured clinical examination (OSCE), a community-based health education project, competence tests in various clinical procedures, completion of various logbooks, clinical credits demonstrating a reasonable level of patient care, and a final written and clinical examination.


    The Diploma in Dental Hygiene conferred by Trinity entitles graduates to register immediately after graduation as a dental hygienist on the Register of the Irish Dental Council. This registration is mandatory for working as a dental hygienist in Ireland.

    Most dental hygienists will work in general dental practices or within the public health service. The opportunity exists to teach or become involved in research. The opportunity to work abroad also exists but may require you to sit some local examinations in the country of choice. Further courses of study are available to dental hygienists, including the Diploma in Orthodontic Therapy.

    Further information

    Contact: Lecturer in Dental hygiene: Yvonne Howell DipDH DipDT, GCAP Email: 

    Tel: +353 1 612 7369

    Specific Entry Requirements

    Leaving CertificateA pass in English, mathematics and in four other subjects, one of which must be physics, chemistry, biology, agricultural science or physics/chemistry.
    Of the six subjects presented two must be of a standard of at least grade C3 on higher Leaving Certificate papers. The remaining four subjects must be presented to a standard of at least grade D3 on ordinary Leaving Certificate papers.
    All offers of admission to this course are made subject to infectious disease testing.
    See Precautions against infectious diseases
    GARDA VETTING:Students will be required to undergo Garda vetting.
    See Garda vetting for further details