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Oral Region > Oral Cavity > Flashcards

Oral Cavity Flashcards

1
Q

Name the mucous membranes of mouth

A 
Alveolar mucosa
Palatine mucosa
Lingual mucosa
Oral mucosa (floor of mouth)
Buccal mucosa
Labial mucosa
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2
Q

Which muscles control the size of oral fissure

A 
Orbicularis Oris
Risorius
Buccinator
Zygomaticus minor
Zygomaticus major
Levator labii superioris
Depressor labii inferioris
Depressor anguli oris
Levator angulii oris
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3
Q

Types of gingivae???

A

gingivae proper (attached)
Superior and inferior lingual gingivae
Superior and inferior labial gingivae
Superior and inferior buccal gingivae

Gingivae improper (unattached)
Alveolar mucosa

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4
Q

Name the surfaces of teeth

A 
Occlusal surface
Distal contact surface
Mesial contact surface
Vestibular (labial/buccal) surface
Palatal (lingual) surface
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5
Q

What is periodontium?

A

Alveolar periosteum surrounding the alveolar process of maxilla and mandible outward and inward cement

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6
Q

Function of root canal?

What surrounds it?

A

Transmit nerves and vessels from apical foramina towards the pulp cavity
Surrounded by dentine

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7
Q

Enamel continues into neck and root as?

A

Cement

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8
Q

What us odontoblast layer

A

It surrounds the pulp cavity and root canal

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9
Q

Name the joint of teeth

A

Gomphosis/dento alveolar syndesmosis

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10
Q

Which membrane is present in gomphosis and what is its importance?

A

Periodontal membrane/periodontium is present between cement of root and periosteum of alveolus.
It is supplied with pressoreceptive endings for detecting pressure

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11
Q

Which area is superior to soft palate?

A

Nasopharynx

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12
Q

What passes through incisive fossa?

A

Nasopalatine nerves

Sphenopalatine arteries

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13
Q

What makes the palate?

A

Ant 2/3: Palatine process of maxilla and horizontal process of Palatine

Post 1/3: moveable, suspended from hard palate
Anteriorly–> Palatine aponeurosis
Posteriorly–> muscular part

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14
Q

Soft palate is joined to tongue and and pharynx by?

A

Tongue: palatoglossal
Pharynx: palatopharyngeal

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15
Q

fauces is the space between?

A

Oral cavity and pharynx

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16
Q

Where are Palatine tonsils located?

A

Between palatoglossal and palatopharyngeal arches in the tonsillar sinus

17
Q

Fauces is bounded by?
Superiorly:
Inferiorly:
Laterally:

A

Soft palate
Root of tongue
Arches: palatoglossal and palatopharyngeal

18
Q

Features of palate?

A

Incisive papilla overlying incisive fossa
Transverse Palatine folds/rugae
Palatine raphe passing posteriorly from incisive papilla
Palatine glands all over beneath mucosal layers shown by pitted palate which is the opening of these glands’ ducts

19
Q

root of tongue is present between which two bones?

A

mandible and hyoid

20
Q

angle of terminal sulcus points where?

A

foramen cecum

21
Q

name the lingual papillae

A

vallate
foliate
filiform
fungiform

22
Q

what is the dorsum of the tongue?

A

the superior and posterior part of tongue is the dorsum

it is divided by terminal sulcus into pre sulcus and post sulcus

23
Q

which papillae has afferent nerve ending sensitive to touch?

A

filiform

24
Q

where is lingual tonsils located and what are these?

A

located in posterior portion of tongue: the post terminal sulcus
and these are lymphoid nodules

25
Q

what is sublingual caruncle

A

present on inferior surface of tongue lateral to frenulum

has submandibular openings

26
Q

which extrinsic tongue muscle blends with intrinsic tongue muscle?

A

palatoglossus

27
Q

nerve supply of muscles of tongue?

A

hypoglossal nerve

exemption: palatoglossus which is innervated by vagus nerve

28
Q

where right and left halves of tongue muscles merge?

what seperates them?

A

lingual aponeurosis

lingual septum

29
Q

where chorda tympani and lingual nerve join and what does it do?

A

they join in infratemporal fossa and carry special and general sensation to tongue ka ant 2/3

Oral Region (1 decks)

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