Permanent Molar Teeth - Maxillary Flashcards
Are the molar suscidaneous?
No, they do not replace any premolars from primary dentition
How many cusps do the permanent maxillary molars have?
4
2 buccal
2 palatal
How many roots do the permanent maxillary molars have?
3 roots
How many roots are buccal and how many palatal in permanent maxillary molars?
2 buccal
1 palatal
How many roots do mandibular molars have?
2
1 mesial and 1 distal
Do lower 8s sometimes show fusion of roots?
yes, can appear as 1 root
What is the orientation of cusps in mandibular molars?
quadrilateral
mesial, buccal, distal, lingual
What erupts first, mandibular or maxillary 6s?
mandibular first
What age do the maxillary 6s erupt?
6 years
What tooth is the largest tooth in the maxillary arch?
6s
What cusp is the largest in the maxillary 6s?
the lingual mesial cusp
What side of the upper 6 is this?
Buccal
2 roots on buccal surface
Name what each wall is and the name of the extra cusp
Name what each wall is and the name of the extra cusp
What cusps are shown on the upper 6 here? (1 and 2)
What cusps are shown on the upper 6 here? (5,3,4)
What structure is this in the upper 6?
Oblique ridge
What does 6 and 7 show on the upper 6?
6 and 7 show the medial and distal triangular fossa
at the distal and mesial marginal ridges
Is the 6,7 or 8 shown here?
The 7
the roots stay within the crown margin compared to the 6
What side of the 7 is shown here?
The buccal
2 roots
What side of the 7 is shown here?
The palatal
1 root
Name cusps 4 and 3 of maxillary 7
Name cusps 3 and 4 on the maxillary 7
Name the structures in the maxillary 7
Name the structures in the maxillary 7
What cusp can be absence on an upper 8?
disto-palatal cusp
Name the cusps of the upper 8
What side of the 8 is this and name structures
What side of the 8 is shown, is there a developmental groove on this tooth and what is the structure?
What is distal what is the mescal surface of the 8?
Top is medial
Ottoman is distal
What surface of the 8 is shown?
Palatal
