The forensic study of teeth.
Your front teeth
Teeth used primarily for ripping and tearing
Back teeth, you have 3. Used for crushing and grinding.
2 Teeth in front of the molars…used for crushing and grinding.
Number of teeth that an adult has
Number of teeth that a child has
Another name for “baby teeth
You can tell this from looking at teeth by how ground down the teeth are.
Three basic parts of the tooth
♥️ Cementoenamel Junction
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
Dental arch is moveable jaw
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
When looking into the patients oral cavity …..
the dental professional goes off the patients right and left.
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
♥️process of “shedding” a primary tooth
♥️Permanent teeth that replace the primary teeth.
SEVEN TEETH SURFACES
3. Facial (Labial)
4. Lingual – Anterior, Palatal- posterior
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 “outside”
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, “outside”
The Occulsal 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 Maxillary arch
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