Primary Teeth Flashcards
The first set of teeth is the
primary dentition
AKA deciduous dentition, deciduous teeth, baby teeth, milk teeth
Primary dentition
The primary dentition is shed (exfoliated) and replaced by the
permanent dentition
There are how many teeth in the primary dentition?
20
How many teeth are in the primary dentition per arch?
10 teeth per arch
The primary dentition includes what teeth?
Includes incisors, canines, and molars
• The Universal Numbering System for the primary dentition numbers these teeth from
A through T
Mineralization of the primary teeth begins
in utero at 13 to 16 weeks
all primary teeth have started to mineralize by
By 18 to 20 weeks prenatally
There are usually how many primary teeth erupted in the oral cavity at birth?
None
The first eruption of a primary tooth (primary mandibular central incisor) typically occurs between
6 and 10 months
Which is the first tooth typically to erupt in primary dentition?
Primary mandibular central incisors
Eruption is typically completed between ages
2 and 3
Actual eruption dates are not as important as
eruption sequence
There is Lots of variation in dates of eruption for the primary dentition. Sequence is more important. Sequence of eruption tends to be
uniform
____are present between primary teeth in most child patients
Interproximal spaces
Interproximal spaces in a child’s primary dentition are often referred to as
primate spaces
Primate spaces mainly occur where?
between primary maxillary laterals and canines, and also between primary mandibular canine and first molar
Primate spaces is necessary for
the proper alignment of the larger future permanent dentition
Primary molars are replaced by the
permanent premolars
Permanent molars erupt___ to the primary second molars
distal
Primary teeth size wise are___ overall than permanent teeth.
smaller
The crown of any primary tooth is short in relation to
its total length
The crowns of primary teeth are also more____ at the CEJ, making them appear bulbous in comparison to the thinner neck
constricted or narrower