Nomenclature Flashcards
By what month have all the primary teeth erupted?
24-36th month
By what month have all the primary teeth erupted and in occlusion?
36th
When does the first tooth appear?
6th month
When do all the permanent teeth erupt?
13-14 years except 3rd molars
Other terms for facial? (2)
labial - facing the lips
buccal - facing the buccinator muscle of cheek
Definition and other term for lingual? (2)
tooth surface nearest to the tongue
palatal - upper arch
Nominal nomenclature system? (2)
Each tooth is called by its whole name
upper or lower + right or left + position inside tooth group + PRIMARY + tooth
group
Handerup nomenclature system? (5)
(+ or-) and a number
- for maxilla, - for mandible
- symbol will be after the number for quadrants 1 and 4 and before the number for quadrants 2 and 3
- lower case letters for primary
- numbers for permanent
Zsigmondy-Palmer nomenclature system? (3)
- symbol ( ┘, └, ┌, ┐) written for the quadrant
- numbers for permanent teeth
- lowercase letters for primary teeth
ADA notation system? (3)
- used in USA
- numbering starts at upper right third molar and ends at lower right third molar (1-32)
- primary teeth CAPITAL letters used
FDI system? (5)
- two digit notation
- created by Viohl
- first digit = quadrant
- second digit = tooth from 1-8
- primary quadrants numbered from 5-8, tooth from 1-5
Why is determining a tooth’s maturity useful? (4)
- proper diagnosis
- establish a good treatment plan
- determine correct prognosis
- ID a child’s age
Dental development is less affected by…? (3)
- hormonal alterations
- nutrition
- environmental factors
Most reliable way to determine a child’s age?
looking at dental maturity
Ways to determine dental maturity? (2)
- Nolla Method
- Demirjian method
What is the nolla method? (5)
- 1960
- to determine dental maturity
- studied 25 girls and 25 boys
- intraoral and lateral extraoral radiographies
- described different calcification stages of the tooth at dif ages