49-73 Flashcards
Malocclusion
Occlusion that is deviated from a class I normal occlusion
Mandibular arch
lower arch
Masticatory Mucosa
Oral mucosa that covers the hard palate dorsum of the tongue and gingival
Maxillary Arch
Upper arch
Midline
midsagittal line of maxillary and mandibular dental arches possessing teeth of ideal size shape and position
Midsagittal Plane
Divides patients head into right and left sides. A light extends vertically down the center of the face to indicate this
Mixed Dentition
A mixture of permanent teeth and primary teeth that occurs until all primary teeth have been lost.
Molars
Have 4 or more cusps used for grinding and chewing up food
Occlusion
The natural contact of the maxillary and mandibular teeth in all positions
Palate
the roof of the mouth, separating the cavities of the nose and the mouth in vertebrates
Pathogen
A microorganism capable of causing disease
Periapical X-ray
A single exposure. includes one or more teeth and used to check the root
Periodontium
structures that surround support and are attached to the teeth
Permanent Dentition
32 adult teeth
PID
Position Indicating Device on extension arm of the x-ray machine. directs the beam of the x-ray
Pit
when two developmental grooves cross each other forming a deep area that’s too small for a toothbrush to clean
Posterior
Toward the back
Premolars
Bicuspids, cross between canines and molars
Primary Dentition
first 20 primary teeth
Pulp
part in the center of a tooth made up of living connective tissue and cells called odontoblasts
Pulp Chamber
space occupied by the pulp
Quadrant
1/4 of dentition
Radiolucent
Appears dark or black on the radiograph. allows x ray to pass through with little to no resistance
Radiopaque
appears white or light gray. more dense and allows radiation to pass through because it’s more resistance
