Root Morphology

Question 1

Define morphology

Answer 1

• the biological study of the form and structure of living organisms.
• Study of the form and structure of the tooth
• More specifically the study of the form and structure of the root

Question 2

Know the normal location of the CEJ in relationship to the gingival margin and level of bone in a healthy person

Answer 2

• The CEJ in healthy individuals is usually located at the gingival margin
• The CEJ in healthy individuals is normally about 2.00mm above the level of the bone

Question 3

Th ___ is where the cementum and enamel meet

Answer 3

CEJ

Question 4

The cementum overlaps the enamel in ___ of the population.

Answer 4

60%

Question 5

The cementum end to end relationship in ___ of the population.

Answer 5

30 %

Question 6

The cementum and enamel do not meet in __ of the population.

Answer 6

10%

Question 7

Know which teeth present with grooves on the roots, and where the grooves are located.

Answer 7

Go to Notability to see answers

Question 8

Most difficult root morphologies to treat

Answer 8

Furcations- Distal furcation of the maxillary molars are the most difficult.

Mesial developmental depression- (called mesial root groove by most practitioners) of the maxillary first premolar.

Mesial groove- of the mesial root of the mandibular first molar.