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General Medicine: Teeth

How well do you know the teeth of the body?
https://my.clevelandclinic.org/health/body/24655-teeth
https://my.clevelandclinic.org/health/diseases/10946-cavities
Quiz by Jakovlev
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Last updated: January 15, 2024
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First submittedJanuary 15, 2024
Times taken20
Average score60.0%
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Introduction
The teeth are part of the _________ system and breaks down food by chewing it before it's swallowed
Digestive system
The average adult will have __ teeth
32
Whilst many assume teeth are a type of bones, teeth are actually ___________ organs
Ectodermal
Most children will have roughly 20 primary teeth during childhood before their adult teeth emerge, and these teeth can also be called
Deciduous teeth
Removable oral appliances that replace missing teeth in the upper and lower jaw
Dentures
Dental devices that will help align and straighten one's teeth
Braces
Anatomy
The two structures of the tooth

1. The visible part
2. The non-visible part that holds the tooth in place
Crown
Root
The four main layers

1. The outer, protective layer, also the hardest substance in the human body
2. Just underneath the protective layer, not as hard as the protective layer
3. Covers the root, helps anchor the tooth firmly in the jaw
4. Innermost layer, contains nerves, blood vessels and connective tissue
Enamel
Dentin
Cementum
Tooth Pulp
The types of teeth

1. 8 teeth in total - The most visible teeth. Four each in the lower and upper jaw. Has a single narrow edge, which helps cut into food when you bite.

2. 4 teeth in total - Named after their resemblance to a dog’s fangs. Much pointier than other types of teeth. Most people will have two on each jaw. Often called eye teeth, due to its location often being directly under the eyes.

3. 8 teeth in total - Also called bicuspids, will help further crush food into smaller pieces before swallowing.

4 - 12 teeth in total - The teeth in the very back of the mouth. 90% of the chewing will take place here. Most adults will have 3 of these per quadrant.
Incisors
Canines
Premolars
Molars
Pathology
A cavity is a dental condition where a ____ has been formed in one of your teeth from the protective layer being worn down
Hole
Another word for cavity and also what happens when a cavity has been formed
Tooth Decay
The three types of cavities

1. Cavities that form between the teeth
2. Cavities that form on top of the teeth's chewing surface (sharp edges)
3. Cavities formed in the root, foten due to receding gums
Smooth Surface
Pit and Fissure Decay
Root Decay
When an adult has too few teeth
Hypodontia
When an adult has too many teeth
Hyperdontia
When we eat, the bacteria in our mouth feed on food debris (like sugars and carbohydrates), and the bacteria will break down the leftover debris a sticky, acidic film, and this film is called
Dental Plaque
And when that sticky, acidic film (which is natural to produce) is left untreated (not brushing one's teeth and no flossing), this sticky, acidic film of bacteria, leftovers and saliva will hardened, and turn into ______, which then only can be removed by a dentist or hygienist
Tartar
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