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Did You Know? Ockham's Razor - 6 February 2023 11 minutes Why are Dentists envious of rat, shark or snail teeth? Turns out, they all have characteristics that could be used as inspiration for human dentistry. Dentist Greg Miller explores the future of dentistry and what we can learn from the animal world. Speaker: Greg Miller Founder, Australian Dental Foundation Key Points The humble snail has up to 20K teeth! The limpet has particular interest to Dentists because it has the strongest teeth and indeed the strongest biological material in the world even stronger than titaniun implants. Rats are monophyodont - they have one set of teeth. In contrast, humans are diphyodont, developing two successive sets of teeth known as deciduous and permanent. In rodents, both the top and bottom incisors grow continuously throughout life. [How would knowing about this growth help Dentists?] Sharks - a Nurse Shark only takes 9 days to generate a new tooth! Listen to the rest of the podcast! ![]() What did you learn from this Podcast? |

Duties and Tasks
As a dental assistant, you
would:
Orthodontists are specialist qualified dentists who diagnose and treat problems with a patient’s jaw alignment and bite pattern.
ANZSCO ID:
252311
Knowledge, skills and attributes
To become an orthodontist., you would need:

(Source:
Dunn Orthodontics)
Duties and Tasks
As an orthodontist, you would:
take X-rays and give local anaesthetic
fit dental aids and hardware such as headgear, braces or retainers
remove teeth
do small cosmetic procedures
provide estimates of treatment costs for patients
see patients at regular intervals to monitor progress
confer with a patient's regular dentist
keep accurate treatment records
usually have a particular focus on children and young people.
Working conditions
You would usually work standard hours, Monday to
Friday, although your hours of work will vary depending on the area you
work in. Part-time hours are often possible.
In a hospital setting, you might work more irregular hours, including
night shifts.
Most orthodontists are self-employed and work in private practice. Some
work for dental services for government, hospital or private health care
providers, or in the armed forces. Orthodontists need to be able to sit
and stand comfortably for quite long periods of time.
Education and training/entrance requirements
To become an orthodontist you must first complete a bachelor's
degree in dentistry, dental science or dental surgery at university.
After completing your degree, you need 2 years of clinical practice as a
dentist, followed by completion of a further 3-year full-time degree in
orthodontics.
To get into the degree courses you usually need to gain your senior
secondary school certificate or equivalent. English, mathematics,
biology, chemistry and physics would be appropriate subjects to study
prior to university. Entry is highly competitive, and you usually need
to sit the Undergraduate Medicine and Health Sciences Admission Test
(UMAT) and attend a structured interview. You may also be required to
complete a structured oral assessment.
It is a legal requirement for graduates to be registered with the Dental
Board of Australia before being able to practise as a dentist in any
state or territory in Australia. Orthodontists must register as a
specialist in Orthodontics.
Dental hygienists clean teeth, examine patients for signs of oral diseases
such as gingivitis, and provide other preventative dental care. They also
educate patients on ways to improve and maintain good oral health.

Dental hygienists assist dentists in providing oral health therapies and education. They consult with dentists to determine the appropriate treatment for patients, but are able to carry out most procedures independently. They examine patients' teeth and gum for signs of disease, remove plaque build-up and stains, and advise patients on how to look after the teeth and gums to maintain oral health. These workers also take x-rays, make impressions of patients' mouths to make mouth guards and study casts, and select, size and remove orthodontic appliances, such as braces. In some cases, dental hygienists may also assist dentists in surgery.
ANZSCO ID: 411211
Knowledge, skills and attributes
To become a dental hygienist, you would need:

(Source:
Foundation Education)
Duties and Tasks
As a dental hygienist, your main role is to encourage patients to look after their teeth and gums. You would also give treatments to patients. You would use a range of dental instruments to:
You would also maintain sterile conditions and occasionally take x-rays. A dental assistant or nurse may support you for some procedures.
Working conditions
You could work in general dental practice,
community dental services and in hospitals.
You would usually work standard hours, with occasional evening and
weekend duties. If you were based at a hospital, you could work
shifts or be on call. Part-time hours and opportunities for
self-employment are often available.
If you worked for a community based dental service, your day-to-day
work would usually involve travelling.
Tools and technologies
Dental hygienists use a range of specialised dental equipment to
look inside the mouth, remove plaque from teeth and help keep the
mouth clear and relatively dry during examinations and procedures.
They must also use sterilising equipment and protective clothing,
such as gloves and a mask. When educating patients about correct
oral health care they use models and charts to demonstrate the
correct brushing and flossing techniques and the effects of
different diseases.
Education and training/entrance requirements
To become a dental hygienist you usually have
to complete a VET qualification in oral health (dental hygiene) or a
degree in oral health or oral health therapy approved by the Dental
Board of Australia. To get into these courses you usually need to
gain your senior secondary school certificate or equivalent.
English, mathematics, biology, chemistry and physics would be
appropriate subjects to study prior to university.
Before undertaking clinical placements required by courses, students
will need to obtain a Provide First Aid Certificate, a National
Police Certificate, a Working with Children Check or equivalent, and
fulfil immunisation requirements.
It is a legal requirement for graduates to be registered with the
Dental Board of Australia before practising as a dental hygienist in
any state or territory in Australia.
Employment Opportunities
Employment of dental hygienists is projected to grow much faster than the
average for all occupations.
Ongoing research linking oral health and general health will likely continue
to increase the demand for preventive dental services. As the large
baby-boom population ages, and as people keep more of their original teeth
than did previous generations, the need to maintain and treat teeth will
continue to increase the need for dental care.
People with new or expanded dental insurance coverage will also be more
likely to visit a dentist than in the past. This will increase the demand
for all dental services, including those performed by dental hygienists.
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Material
sourced from
Jobs & Skills WA [Dentist;
Dental assistant;
Dental Specialist;
Dental Technician;
Dental Therapist;
Dental Hygienist];
















































































































































































