ANATOMY OF A TOOTH
The forensic study of teeth.
Odontology
Your front teeth
Incisors
Teeth used primarily for ripping and tearing
Canines
Back teeth, you have 3. Used for crushing and grinding.
Molars
2 Teeth in front of the molarsā¦used for crushing and grinding.
Premolars
Number of teeth that an adult has
32
Number of teeth that a child has
20
Another name for "baby teeth
Primariy
You can tell this from looking at teeth by how ground down the teeth are.
Maturity
Three basic parts of the tooth
Crown,
Cementoenamel Junction
, Root
2 parts are in the Crown
1. Anatomical crown (Covered with enamel)
2. Clinical crown (Portion visible in oral cavity)
Cementoenamel Junction located
indentation around entire tooth
the junction of crown and root
Root part of the tooth
Anatomical root (Covered with cementum)
dental arch is fixed jaw
Maxillary Arch
dental arch is moveable jaw
Mandibular Arch
Which arch overlaps the other arches teeth when in occlusion?
The maxillary Arch overlaps mandibular teeth with in occlusion.
arches anterior teeth are slightly smaller than the other
Mandibular Arch
When looking into the patients oral cavity ā¦
the dental professional goes off the patients right and left.
decidiuous teeth?
Baby teeth
function of the primary incisor teeth
cut or bite into food
function of the primary canine teeth
Aids in tearing food.
function of primary molar teeth
Grind and chew food
function of permanent incisors teeth
cut or bite into food
function of permanent canine teeth
tear or rip into food
function of permanent premolars
Pulverize food by breaking it down into smaller particles
function of permanent molars
Masticate or chew food
mixed dentition period?
time period when both primary and permanent teeth are in dentition together
exfoliation
process of āsheddingā a primary tooth
Succedaneous Teeth?
Permanent teeth that replace the primary teeth.
SEVEN TEETH SURFACES
- Mesial
- Distal
- Facial (Labial)
- Lingual - Anterior, Palatal- posterior
- Incisal
- Buccal
- Occulsal
the mesial surface
surface toward the midline
the distal surface
surface away from the midline
the facial (libial) surface
Surface that the face touches lips āoutsideā
the ligual surface
surface that touches the tongue, and on the maxillary arch often referred to as PALATAL
the incisal surface
Biting or cutting edge
the Buccal surface?
surface that touches the cheeks, āoutsideā
the Occulsal surface?
Chewing surface
When does your primary teeth began eruption? what tooth is it?
6-10 months old, central incisor
When do your primary teeth eruption ends? what tooth is it?
24-32 months, second molar
When does your permanent tooth eruption begin and what tooth is?
6-7 years, central incisor/1st molar
When does your permanent tooth eruption end? and what tooth is it?
17-21 years, third molar
arch begins eruption first
Mandibular arch begins
eruption before the Max arch
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