Dental Anatomy

Question 1

Which lymph nodes drain fluid from the mandibular incisors, tip of tongue, midline of lip, chin and floor of the mouth?

Answer 1

Submental nodes

Question 2

Which lymph nodes drain the submental nodes and remaining teeth?

Answer 2

submandibular nodes

Question 3

Which lymph nodes drain the submandibular nodes, 3rd molars, and the wall of the throat?

Answer 3

deep cervical nodes

Question 4

structures of the oropharynx are drained by what?

Answer 4

superior deep cervical nodes

Question 5

Superior deep cervical nodes are drained by?

Answer 5

inferior deep cervical nodes

Question 6

The development of the face begins in what week?

Answer 6

about week 3

Question 7

The upper lip is complete within how many weeks?

Answer 7

6-8 weeks

Question 8

the palate develops between weeks?

Answer 8

6 and 12

Question 9

Which papillae is the most numerous on the tongue but contains no taste buds?

Answer 9

filliform

Question 10

Which papillae are fewer, larger and contain taste buds?

Answer 10

fungiform

Question 11

which papillae are 8-12 in number, located just anterior to the sulcus terminals and contain taste buds?

Answer 11

Circumvallate

Question 12

Which salivary gland produces 65% of total saliva?

Answer 12

Submandibular gland

Question 13

What duct empties the submandibular gland?

Answer 13

Wharton’s duct

Question 14

What type of secretion does the submandibular gland produce?

Answer 14

mixed secretion (mostly serous)

Question 15

Which salivary gland produces 10% of total saliva?

Answer 15

Sublingual gland

Question 16

Name the duct that empties the sublingual gland

Answer 16

bartholin’s duct

Question 17

Which salivary gland produces 25% of total saliva, is emptied by the stenson’s duct, and is serous secretion only?

Answer 17

Parotid gland

Question 18

Enamel is derived from?

Answer 18

ectoderm

Question 19

dentin and pulp are derived from?

Answer 19

ectomesenchyme

Question 20

the dej is derived from?

Answer 20

basement membrane

Question 21

Where do ameloblasts come from?

Answer 21

inner enamel epithelium

Question 22

The outer enamel epithelium will create?

Answer 22

Hertwigs epithelial root sheath

Question 23

Periodontal ligament is attached to cementum by?

Answer 23

Sharpey’s fibers

Question 24

Which periodontal fibers are the most numerous (resist intrusive and rotational forces)?

Answer 24

oblique fibers

Question 25

Most often missed mesial coronal and root concavity?

Answer 25

max first premolar

Question 26

Premolar most often having two roots?

Answer 26

maxillary first

Question 27

tooth with the longest root?

Answer 27

maxillary canine

Question 28

Cuspid with occasionally bifurcated root

Answer 28

mandibular

Question 29

tooth which most often fails to develop?

Answer 29

third molar or max lateral

Question 30

Non-functional lingual cusp?

Answer 30

mandibular first premolar

Question 31

Premolar which most commonly has three cusps?

Answer 31

mandibular second

Question 32

Tooth which frequently has a fifth cusp?

Answer 32

mandibular 1st molar, maxillary 1st molar (cusp of caribelli)

Question 33

Tooth most often affected by microdontia?

Answer 33

maxillary lateral incisor

Question 34

Tooth most likely to exhibit lingual caries?

Answer 34

maxillary lateral incisor

Question 35

Tooth most likely to have a root with 2 canals?

Answer 35

mandibular first molar (mesial root)