IOTN Flashcards
IOTN a?
Overjet
IOTN i?
Impeded/impacted
IOTN m&b?
Reverse overjet
IOTN p?
Cleft lip and palate
IOTN s?
Submerged deciduous teeth
IOTN h?
Hypodontia
IOTN L?
Lingual cross bite
IOTN t?
Tipped teeth
IOTN x?
Supernumerary
IOTN g?
Good occlusion
IOTN c?
Crossbite
IOTN d?
Displacements of contact points
IOTN e?
Open bites/anterior open bites
IOTN f?
Overbite/deep bite
What does MOCDO stand for?
Missing teeth Overjet Crossbites Displacements of contact points Overbite
What is retruded contact position?
The position which teeth first meet before deviating into complete intercuspation
What is intercuspal position?
Complete intercuspation with the opposing teeth
What does IOTN stand for?
Index of orthodontic treatment need
What are the two components of IOTN?
- Dental health component
2. Aesthetic component
What is IOTN?
- ranks occlusal traits according to their severity
- attempts to identify patients who would most likely benefit from orthodontic treatment
- recently - it is a means by which patients are assessed to whether they qualify for NHS treatment
What is the aesthetic component in IOTN?
- a set of 10 coloured photographs
* the clinician assessed the malocclusion by picking a photo which best represents the patient
What are the 5 categories of severity in the dental health component?
- No need
- Little need
- Moderate/borderline
- Great need
- Severe need
What is the dental health component of IOTN?
- looks at the worst feature of the malocclusion that has an impact on the dental health
- used the acronym MODCO - to help identify the worst feature
IOTN is used to determine?
The need for orthodontic treatment
