Maxillary Molars

Question 1

Maxillary Molar Tooth #’s

Answer 1

Right: #1, 2, 3
Left: #14, 15, 16

Question 2

Do maxillary molars increase or decrease or stay same in crown height as they move 1st to 3rd maxillary molars?

Answer 2

Decrease in crown height

Question 3

Do MD crown diameters increase or decrease or stay same as they move from 1st to 3rd maxillary molars?

Answer 3

Decrease in MD crown diameter

Question 4

Do BL crown diameters increase or decrease or stay same from 1st to 3rd maxillary molars?

Answer 4

Stay the same

Question 5

Eruption times for 1st, 2nd, and 3rd maxillary molars?

Answer 5

1st: 6yrs
2nd: 12 yrs
3rd: 17+ yrs

Question 6

How many roots do maxillary molars have? How many are buccal vs lingual?

Answer 6

3 roots; 2 buccal, 1 lingual (largest)

Question 7

What is the largest root on the maxillary molars?

Answer 7

the 1 Lingual root

Question 8

How many cusps do maxillary molars have? How many are major vs smaller?

Answer 8

4 cusps: 3 major and 1 smaller cusp

Question 9

Which cusp on maxillary molars is the largest?

Answer 9

ML cusp

Question 10

What cusps on maxillary molars form a triangle - trigon or primary cusp triangle?

Answer 10

ML, MB, and DB cusps

Question 11

Which cusp is the smallest and decreases in size from the 1st to 3rd maxillary molars?

Answer 11

DL cusp

Question 12

Maxillary Molar crowns are broader ______ than ______?

Answer 12

Broader BL than MD

Question 13

Maxillary molar crowns are relatively ________ in which portion?

Answer 13

Short; occluso-cervically

Question 14

Maxillary molars contain a ridge called the _______ _______?

Answer 14

Oblique ridge

Question 15

On maxillary molars, what cusps are connected by the oblique ridge?

Answer 15

DB and ML