Dr. Leibow- endo/root morphology Flashcards Preview

Operative Dentistry! > Dr. Leibow- endo/root morphology > Flashcards

Flashcards in Dr. Leibow- endo/root morphology Deck (12):
1

What is the longest tooth in the mouth? How long was the longest tooth Dr. L has ever worked on?

Maxillary Canine...34mm

2

How many canals does a maxillary 1st PM USUALLY (85%) have?

2

3

How many canals does a maxillary 2nd PM usually have (75%)?

1

4

What % of MAXILLARY 1st MOLARS have 4 canals?

94%....FOUR canals = ninety FOUR %

5

What is the most variable tooth?

Maxillary 1st molar

6

In a maxillary 1st molar, which root typically has 2 canals? (What %)

MB..90%

7

What % of mandibular central incisors have 2 canals? IF it does have one, where will I find it?

40%...in the cingulum of the tooth

8

What % of mandibular lateral incisors have 2 canals? Which tooth is LONGER, the mandiubular central or mandibular lateral?

40% have 2 canals... Lateral is usually 2mm LONGER then the central

9

Which tooth has a lingual canal that is hard to find, in fact, Dr. L missed it on his sister-in-law...

mandibular first premolar (30% have the 2 roots)

10

Which tooth has the trick of finding the Distal canal then looking mesial. Once mesial you split the distance to the F and L walls and find the other two canals in the middle?

Mandibular 1st molar

11

Which tooth has that "C" shaped canal system again?

mandibular 2nd molar

12

What is the % break down for 3 vs 4 canals in a mandibular 2nd molar?

50/50