RCT of molar teeth

Question 1

what is the average depth from pulpal floor to furcation

Answer 1

3mm

Question 2

pulp chamber height in mandibular molars

Answer 2

1.5mm

Question 3

pulp chamber height in maxillary molars

Answer 3

2mm

Question 4

height from buccal cusp to pulp chambers of molars

Answer 4

6mm

Question 5

what is the ceiling of the pulp chamber normally in line with

Answer 5

CEJ

Question 6

what roots does the max first molar have

Answer 6

3 - palatal, MB, DB

Question 7

how many canals does the max first molar have

Answer 7

3-4

Question 8

what is the percentage of maxillary first molars found with a second MB canal

Answer 8

93% with microscope
73.2% without microscope

Question 9

how many canals are in the maxillary second molar

Answer 9

usually 3
always look for 4

Question 10

what is the percentage of maxillary second molars found with second MB canal

Answer 10

22.7%

Question 11

how many roots does the mandibular first molar have

Answer 11

2

Question 12

how many canals does mandibular first molar have

Answer 12

mesial root has 2
distal root has 1 or 2
always look for 4

Question 13

how many roots does mandibular second molar have

Answer 13

usually 2

Question 14

how many canals do mandibular second molars have

Answer 14

usually 3
2 in mesial root
1 in distal root
always look for 4

Question 15

shape of the access cavity for maxillary molars

Answer 15

blunted triangle
base of triangle towards buccal
apex of triangle towards palatal
access cavity is entirely within mesial half of tooth

Question 16

shape of access cavity for mandibular molars

Answer 16

rhomboid
mesial - distal