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Flashcards in Furcation Deck (22)
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1

Which teeth most frequently have furcations?

1st, 2nd and 3rd molars

2

Which teeth most frequently have furcations?

1st, 2nd and 3rd molars

3

What are the furcation distances for maxillary molars mesialy, facialy and distaly?

Mesial-3.6 mm
Facial- 4.2 mm
Distal- 4.8 mm

4

What are the furcation distances for Mandibular 1st molar buccal and lingualy?

Buccal- 2.4 mm
Lingual- 2.5 mm

5

Which root on Maxillary molars is most likely to have furcal concavities?

MesioBuccal root

6

Which root on the mandibular molars is most likely to have a furcal concavity?

Mesial

*though Distal is also quite likely

7

Which instrument is used when determining furcation?

Nabors probe

8

Hamp (1975) is the most common classification system and uses what ranking?

-Grade 1 horizontal less than 3 mm
-Grade 2 horizontal more than 3 mm
-Grade 3 through and through

9

Tarnow and fletcher (1984) used what for classifying furcations?

Vertical probing
A- 1-3 mm
B- 4-6 mm
C- > 7 mm

10

Glickman (1953) has 4 grades for furcations based on what?

Bone loss

11

Bower (1979) showed that 81% of furcation entrances measure how big?

Less than 1 mm

12

What are some possible complications for furcations?

-Enamel pearls
-Accessory pulp canals

13

What are the furcation distances for maxillary molars mesialy, facialy and distaly?

Mesial-3.6 mm
Facial- 4.2 mm
Distal- 4.8 mm

14

What are the furcation distances for Mandibular 1st molar buccal and lingualy?

Buccal- 2.4 mm
Lingual- 2.5 mm

15

Which root on Maxillary molars is most likely to have furcal concavities?

MesioBuccal root

16

Which root on the mandibular molars is most likely to have a furcal concavity?

Mesial

*though Distal is also quite likely

17

Which instrument is used when determining furcation?

Nabors probe

18

Hamp (1975) is the most common classification system and uses what ranking?

-Grade 1 horizontal 3 mm
-Grade 3 through and through

19

Tarnow and fletcher (1984) used what for classifying furcations?

Vertical probing
A- 1-3 mm
B- 4-6 mm
C- > 7 mm

20

Glickman (1953) has 4 grades for furcations based on what?

Bone loss

21

Bower (1979) showed that 81% of furcation entrances measure how big?

less than 1mm

*58% are less than the size of the currette

22

What are some possible complications for furcations?

-Enamel pearls
-Accessory pulp canals