Dental Anatomy Flashcards
Which lymph nodes drain fluid from the mandibular incisors, tip of tongue, midline of lip, chin and floor of the mouth?
Submental nodes
Which lymph nodes drain the submental nodes and remaining teeth?
submandibular nodes
Which lymph nodes drain the submandibular nodes, 3rd molars, and the wall of the throat?
deep cervical nodes
structures of the oropharynx are drained by what?
superior deep cervical nodes
Superior deep cervical nodes are drained by?
inferior deep cervical nodes
The development of the face begins in what week?
about week 3
The upper lip is complete within how many weeks?
6-8 weeks
the palate develops between weeks?
6 and 12
Which papillae is the most numerous on the tongue but contains no taste buds?
filliform
Which papillae are fewer, larger and contain taste buds?
fungiform
which papillae are 8-12 in number, located just anterior to the sulcus terminals and contain taste buds?
Circumvallate
Which salivary gland produces 65% of total saliva?
Submandibular gland
What duct empties the submandibular gland?
Wharton’s duct
What type of secretion does the submandibular gland produce?
mixed secretion (mostly serous)
Which salivary gland produces 10% of total saliva?
Sublingual gland
Name the duct that empties the sublingual gland
bartholin’s duct
Which salivary gland produces 25% of total saliva, is emptied by the stenson’s duct, and is serous secretion only?
Parotid gland
Enamel is derived from?
ectoderm
dentin and pulp are derived from?
ectomesenchyme
the dej is derived from?
basement membrane
Where do ameloblasts come from?
inner enamel epithelium
The outer enamel epithelium will create?
Hertwigs epithelial root sheath
Periodontal ligament is attached to cementum by?
Sharpey’s fibers
Which periodontal fibers are the most numerous (resist intrusive and rotational forces)?
oblique fibers
Most often missed mesial coronal and root concavity?
max first premolar
Premolar most often having two roots?
maxillary first
tooth with the longest root?
maxillary canine
Cuspid with occasionally bifurcated root
mandibular
tooth which most often fails to develop?
third molar or max lateral
Non-functional lingual cusp?
mandibular first premolar
Premolar which most commonly has three cusps?
mandibular second
Tooth which frequently has a fifth cusp?
mandibular 1st molar, maxillary 1st molar (cusp of caribelli)
Tooth most often affected by microdontia?
maxillary lateral incisor
Tooth most likely to exhibit lingual caries?
maxillary lateral incisor
Tooth most likely to have a root with 2 canals?
mandibular first molar (mesial root)
