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Terms in this set (51)
What is the vermilion border?
Transition between mucous membrane (lips) and skin
What is the microscopic boundary between the vermilion border and skin?
What is the boundary between the vermilion border and the mucous membrane
Wet dry line
Note: mucous membrane is on INSIDE of lips!
Where is the mucous membrane found with regards to the lips?
On the INNER LIPS!
What is the commissure
corner of mouth (junction of upper and lower lip)
The nasolabial groove runs where
From nose to lips when you smile (in the name!)
When is the philtrum
Just below the center of nose
The labiomental groove runs where
From lips to mental foramen (in the name!)
What are the two dental arches
Number of teeth in complete primary dentition
Number of teeth in complete permanent dentition
When does mixed dentition start and end?
and ends at
(all primary teeth should be lost by age 12)
What are the main two function of the tongue
1. Obtain food
2. Taste food (keep poisons out!)
The dorm of the tongue is covered with.....
What are found in vast numbers under the tongue?
Blood vessels! (that's why it's red & shiny)
The ______ is the thin band of tissue attaching the center of under surface of tongue to the floor of the mouth
Is the hard palate anterior or posterior?
Anterior (digestive tract gets softer as you move through it)
What is the little elevation of tissue between and behind central incisors?
(incisive bc behind incisors, papilla = small round protuberance)
What is the slightly elevated center line running
down middle of hard palate
(think of riding a "rapht" down middle of hard palate)
What are the series of elevations on the hard palate that run side to side?
(rugged elevations running side to side)
Why does the soft palate feel "soft"?
Because it isn't attached to anything like the hard palate is... no bone directly beneath the surface
What is the main function of the soft palate?
close off the nasal pharynx
(or else mucous from nose would always be dripping into throat)
The ____ is the small fleshy structure handing from the back of the soft palate
What are the small pits in the soft palate that mark the openings of ducts for palatine glands
What is the gland that is cradled just beneath the mandible bone?
Another name for the submandibular gland is...
The glands that are just beneath the tongue are called __________
(Bartholin's duct is the main one)
What is the tissue called that lines the inside of cheek
(buccal bc on buccal side and mucosa bc mucous membrane)
Where are the parotid glands located?
inside the cheeks!
The main parotid gland that is easy to bite down on is...
What is the trough in between teeth and gums (where chewing tobacco goes)
We know that the inside of the oral cavity is lined with a mucous membrane.
What are the three types of this oral mucosa?
(tightly held down near teeth... light pink)
(not tightly held down, therefore dark pink)
(papillae of tongue and taste buds)
What type of oral mucosa covers the alveolar process of the jaw & surrounds the necks of the teeth?
because it is closest to the mastication site!
The horizontal plane is parallel to...
The coronal plane is parallel to...
coronal suture of skull
The sagittal plane is parallel to...
sagittal suture of skull
What is the primary dentition period?
6 months to 6 years
What is the mixed dentition period
6 years to twelve years
When is the permanent dentition period?
12 years and beyond
What is it called when there is a small amount of enamel present due to genetics?
(can see through to dentin)
What is the process by which root structure is lost?
notation system for primary teeth goes from...
notation system for permanent teeth goes from...
system for permanent teeth goes from...
1-1 -> 4-8
system for primary teeth goes from...
5-1 -> 8-5
Which quadrant do notation systems always start in?
Upper right quadrant!
At what age is the eruption of primary dentition completed?
(after second molars come in)
2 functions of incisors in mastication
1. incising (duh)
4 functions of canines in mastication
3 functions of premolars in mastication
3. grinding (molars always grind)
1 sole function of molars in mastication
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