impression evidence - bitemarks Flashcards
(29 cards)
What are latent impressions?
Hidden marks you can’t see right away.
Example: A faint bite mark left on skin.
What are patent impressions?
Visible to the naked eye.
Example: A bloody bite mark on someone’s arm.
What are plastic impressions?
3D marks left in soft materials.
Example: A bite mark in cheese or wax.
What is enamel?
Hard outer layer of the tooth that protects it.
What is the crown of a tooth?
Part of the tooth you can see above the gumline.
What are permanent teeth?
Teeth that replace baby teeth, totaling 32 in number.
What are primary (baby) teeth?
The first set of teeth, totaling 20.
What are incisors?
The first 4 teeth on the top and bottom.
What are canines?
“Vampire fangs” next to incisors on each side, top and bottom.
What are premolars?
Teeth located between canines and molars, totaling 8.
What are molars?
Big teeth in the back used for grinding, totaling 8.
What are wisdom teeth?
The third set of molars that might or might not grow in.
When are wisdom teeth typically removed?
Usually removed in late teens or early 20s.
Example: “I got them removed.”
What is dentition?
The way teeth are arranged in your mouth.
What is the root of a tooth?
Part of the tooth under the gum that holds it in place.
Gets infected in a root canal.
What is a pulp?
Soft tissue inside the tooth that contains nerves and blood vessels.
Causes pain when you have a deep cavity.
What is dentine?
The layer beneath the enamel that can be sensitive.
Causes pain if enamel wears down.
What is a contusion?
A bruise caused by bleeding under the skin.
A black & blue mark from a punch or bite.
What is an avulsion?
A body part being forcibly torn off.
A tooth being ripped out during an accident.
What is an artifact in evidence?
Something that appears in evidence but is not part of the original item.
A smudge or distortion in a bite mark caused by movement.
How many primary (baby) teeth are there?
20
How many permanent teeth are there?
32
How many wisdom teeth can a person have?
4 if you have them