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Occlusion
Occlusion Flash Cards- Dental Hygiene
36
Health Care
Professional
10/13/2011

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Cards

Term
occlusion (definition)
Definition
relationship of the mandibular maxillary teeth as they are brought together
Term
facial profiles (3)
Definition
Mesognathic, Retrognathic & Prognathic
Term
Another name fore Class I is...?
Definition
Neutroclusion
Term
Facial profile of Class I is....?
Definition
Mesognathic (Think ME FIRST)
Term
Describe Class I Occlusion. What occludes with what?
Definition
MB Cusp of Max 1st Molar occludes with the buccal grove of the Mandibular first molar. (think BUCC to BUCC) Max K9 occludes with the D 1/2 of the Mandibular canine and the M of the 1/2 of the first OM.
BUCC TO BUCC
MAX K9 BEHIND MAND K9
Term
Class II Occlusion is also called...?
Definition
Distoclusion
Term
What is the facial profile for Class II?
Definition
Retrognathic
Term
Describe the Class II Occlusion
Definition
The buccal groove of the Man 1st Molar is D to the MB cusp of the max 1st Molar

The distal surface of the Mandibular canine is distal to the mesial surface of the maxillary canine

The MAN 1st Molar and Man K9 is behind the Max 1st Molar and Man 69
Term
Division I, Class II
Definition
All max incisors are protruded (7-10)
Term
Division 2, Class II
Definition
one or more max incisors are pretruded
Term
If all the anterior incisors are protruded which division in class two would that be?
Definition
Division 1
Term
Class III occlusion is also called...
Definition
Mesiocclusion
Term
What is the facial profile of Class III?
Definition
prognathic
Term
Describe Class III occlusion
Definition
Buccal groove of Man 1st molar is Mesial to MB cusp of Max 1st Molar,

Distal surface of the mandibular canine is mesial to the mesial surface of the maxillary canine.

Mesiocclusion=MIDDLE
Term
Name three malpositions of groups of teeth
Definition
Ovejet, Underjet, Over bite
Term
Describe overbite
Definition
amount of max incisors overlap mandibular incisors
Term
Describe Underjet
Definition
Max incisors are lingual to mandibular incisors
Term
Which tool do you use to measure underjet and overjet?
Definition
probe
Term
Describe overjet
Definition
max incisals are labial to mandibular incisals
Term
Name four classifications for an overbite
Definition
normal, moderate, severe, deep
Term
Normal (overbite)
Definition
incisal edges of max teeth are within the incisal 1/3 of the mandibular teeth
Term
True or False: The term Severe overbite is used to describe an occlusion where the incisal edges of the max teeth are within the middle 1/3 of the mandibular teeth
Definition
FALSE this describes moderate 1/3
Term
A deep overbite is where...
Definition
the mandibular incisors are in contact with the palatal gingiva
Term
True or false: Severe overbite is in the incisal 1/3
Definition
FALSE a severe overbite= cervical 1/3
Term
Name 4 malpositions of groups of teeth
Definition
Crossbite, Edge to edge, End to end and Open bite
Term
Crossbite (anterior)
Definition
max incisors lingual to mandibular incisors
Term
Crossbite (posterior)
Definition
posterior teeth facial or lingual to normal
Term
Edge to Edge
Definition
incisal edge of max anteriors occlude with incisal edge of mandibular anteriors
Term
End to End
Definition
molars and premolars occlude cusp to cusp
Term
Open bite
Definition
occlusal or incisal contact does not occur between certain maxillar or mandibular teeth
Term
Labioversion
Definition
An incisor or canine outside of arch towards LIPS
Term
Buccoversion
Definition
A posterior tooth outside the arch towards the CHEEK (BUCCO=CHEEK)
Term
Linguoversion
Definition
A tooth inside the arch form toward the tongue (LINGUO=TONGUE)
Term
Supraversion
Definition
A tooth has over erupted (SUPRA-SUPRAERUPTED-OVER-ERUPTED)
Term
Infraversion
Definition
Tooth that has not erupted to the occlusal plane
Term
Torsoversion
Definition
A tooth rotated on its axis
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