Quiz 10 Flashcards
How many roots are on the buccal of a maxillary molar?
Two
1) mesial buccal: mid size/broad flat
2) distal buccal: smallest
Function of the molars
Grind and crush
How many roots are on the palatal surface of the maxillary molar
One
- largest/longest of all three roots, round
Where does the maxillary mesialingual cusp occlude
Mandibular central fossae
Where does the mandibular distobuccal cusps occlude?
Maxillary central fossae
Maxillary distolingual cusps contact mandibular ______ _______
Marginal ridge
Mandibular mesiobuccal cusps contact maxillary _____ ______
Marginal ridges
Mesiobuccal cusp of the maxillary 1st molar is more than a 1/2 tooth mesial to the mesiobuccal groove of the mandibular 1st molar
Class 2
MB cusp of the maxillary 1st molar occluded with the MB groove of the mandibular 1st molar
Class 1
Mesiobuccal cusp of the maxillary 1st molar is more than a 1/2 tooth distal to the Mesiobuccal groove of the mandibular 1st molar
Class 3
What are the cornerstones of the dental arches
Maxillary and mandibular first molars
Height of contour on the buccal aspect of the maxillary first molar
At the buccal cervical ridge, in the cervical 3rd close to CEJ
Which line angle tends to collect plaque and calculus
Distobuccal
Where is the height of contour on the lingual aspect of the maxillary first molar
In the cervical 3rd close to the junction of the cervical and middle 3rd
What is the largest cusp on the maxillary first molar?
Mesial lingual cusp