Week 2 Dry Flashcards
how many teeth do we have
32
how many incisors in adult
8
how many molars in adult
12
how many canines in adult
4
how many premolars in adult
8
what type of joint is the TMJ
synovial hinge
what bones make the TMJ
temporal bone and mandible
2 articular process that make TMJ
mandibular fossa of temporal bone and condylar process (head) of mandible
muscles of mastication
masseter, temporalis, medial and lateral pterygoid
innervation of muscles of mastication
trigeminal mandibular (V3)
what foramen of the skull base does the V3 pass through
foramen ovale (with another smaller meningeal branch leaving through foramen spinosum)
what branch of the trigeminal innervated some of the suprahyoid muscles
inferior alveolar branch off the mandibular
attachments of temporalis
temporal bone to coronoid process and ramus of mandible
action of temporalis
elevate and retracts mandible
attachments of masseter
maxillary process of zygomatic/ zygomatic arch and angle of mandible
action of masseter
elevate mandible
innervation of masseter
V3
attachments of medial pterygoid
lateral pterygoid plate of sphenoid bone to ramus of mandible
action of medial pterygoid
elevate and protude mandible
attachements of lateral pterygoid
lateral pterygoid plate of sphenoid bone to condylar and coronoid processes of mandible
which of the pterygoid is horizontal
lateral pterygoid
which of the pterygoids is vertical
medial pterygoid
innervation of the pterygoids
V3
action of lateral pterygoid
protrudes the mandible
muscle of mastication producing side to side movement
medial pterygoid
where is the vestibule of the oral cavity
between teeth gums and lips and cheeks
two bones of hard palate
maxillary and palatine
innervation to muscle of soft palate
X - vagus (expect tensor which is V3)
how many muscles of the soft palate are there
5
name the 5 muscles of the soft palate
palatoglossus palatopharyngeus levator veli palatini tensor veli palatini musculus uvulae
what arches are made by the soft palate
palatoglossal and palatopharyngeal arches
what space lies between the palate arches
tonsillar sinus
what lies in the tonsillar sinuses
the palatine tonsils
which arch is most posterior
palatopharyngeal arch
anterior 2/3 and posterior 1/3 of tongue are separated by the
terminal sulcus
what is foramen caecum
a pit behind terminal sulcus which is the embryological remnant of where the thyroid gland developed
name of posterior 1/3 of tongue
lingual tonsil
bit attaching tongue to base of mouth at front
frenulum
taste innervation of front 2/3 tongue
chorda tympani branch of facial nerve
taste innervation of back 1/3 tongue
glossopharyngeal IX
general innervation of tongue
front 2/3 - V3
back 1/3 IX
extrinsic tongue muscles
geniglossus, hyoglossus, styloglossus and palatoglossus
order of muscles under tongue in sagittal section from top to bottom
geinioglossus, geniohyoid, mylohyoid
attachments of hyoglossus
hyoid bone to tongue
attachments of styloglossus
styloid process to tongue
innervation of extrinsic tongue muscles
XII - hypoglossal
3 salivary glands
parotid, submandibular, sublingual
secretomotor innervation of sublingual
VII - facial nerve
secretomotor innervation of submandibular
VII - facial nerve
secretomotor innervation of parotid gland
IX - glossopharyngeal
where does the submandibular gland duct go
comes out at the front
where do the sublingual gland ducts go
horseshoe shape around tongue