Questions and Answers
How many sets of dentition do we have during our lifetime?
Two: primary and secondary dentition
At what age do all deciduous teeth exfoliate?
By age 12 or 13
How many teeth are there in the permanent dentition according to the Universal Numbering System?
32
What is the Palmer's tooth numbering system used for?
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What is another term for deciduous dentition?
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Study Notes
Dentition Development
- Humans have two sets of dentition during their lifetime: primary (deciduous) and permanent.
Primary Dentition
- All deciduous teeth exfoliate by the age of 12-13 years old.
Permanent Dentition
- There are 32 teeth in the permanent dentition according to the Universal Numbering System.
Tooth Numbering Systems
- Palmer's tooth numbering system is used to identify and record teeth in a dental chart.
- Another term for deciduous dentition is primary dentition.
