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Dental Anatomy > Exam 6. Chapter 26 > Flashcards

Exam 6. Chapter 26 Flashcards

1
Q

Bones of skull

A

Surrounds brain and protects it from injury.
Forms facial features.
Participates in the growth process of jaws.

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2
Q

Malocclusion

A

Improper relationship of the teeth and jaws. (Max. To mand. Teeth)

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3
Q

How many bones in the skull

A

22

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4
Q

Bones of skull decided in

A

2 groups:

  • neurocranium
  • viscerocranium
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5
Q

Neurocranium

A

Bones surrounding the brain.

  • frontal (1)
  • sphenoid (1)
  • ethmoid (1)
  • occipital (1)
  • temporal (2)
  • parietal (2)
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6
Q

Viscerocranium

A

Bones of the face:

  • mandible (1)
  • vomer (1)
  • nasal bones (2)
  • lacrimal (2)
  • zygomatic (2)
  • inferior nasal concha (2)
  • palative (2)
  • maxilla (2)
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7
Q

Suture

A

Joining together of 2 or more bones

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8
Q

Foramen

A

Short tubelike opening through bone

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9
Q

Canal

A

Long tubelike opening through bone

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10
Q

Orbit

A

Eye cavity

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11
Q

Tim of the orbit comes from

A

Frontal, zygomatic and maximally bones

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12
Q

Most difficult view of skull for student

A

Inferior view

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13
Q

Hard palate formed by

A

Palatal process of maxilla

Palatal process of palatine bones

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14
Q

Sphenooccipital synchondrosis

A

Major area of endochondral bone formation- develops facial profiles and malocclusions

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15
Q

Supraorbital notch (foramen)

A

Upper rim of orbit. Nerve and blood supply to forehead

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16
Q

Coronal suture

A

Formed between frontal and parietal bones

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17
Q

Infraorbital foramen

A

Arteries and nerves to upper lip lower eyelid and side of nose

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18
Q

Canine eminence

A

Ridge of bone over max. Canines

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19
Q

Canine fossae

A

Depression in bone above canine eminence

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20
Q

Alveolar process

A

Forms in the pockets that the teeth sit in

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21
Q

Mental foramen

A

Mandible-mental nerve and vessels pass to chin, lower lip and labial gingiva of anterior mandible

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22
Q

Optic foramen

A

Opening in orbit where optic nerves enters in

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23
Q

Lambdoid suture

A

Formed from Parietal and occipital bones

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24
Q

Squamosal suture

A

Squamous portion of temporal and parietal bones. - overlapping suture

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25
Q

Mastoid process

A

Projection of temporal behind external auditory meatus -insertion point for sternocleidomastoid muscle (SCM)

26
Q

Zygomatic arch

A

Projects the temporal and joins with zygoma

27
Q

Glenoid fossa

A

Part of temporal bone where consume articulates (part of TMJ)

28
Q

Styloid process

A

Projection behind ear- attachment for muscle and ligaments.

29
Q

Foramen ovale

A

Branch of V3 (mandible)

30
Q

Foramen rotundum

A

Branch of V2 (maxilla)

31
Q

Foramen spinosum

A

Middle meningeal artery-blood supply to the covering of the brain.

32
Q

Stylomastoid foramen

A

VII exits to muscles of facial expressions

33
Q

Carotid canal

A

Opening for internal carotid artery

34
Q

Crista galli

A

Attachment for the layers covering the brain

35
Q

Cribeiform plate

A

Passage for olfactory nerves (smell)

36
Q

Anterior cranial fossa

A

Houses frontal lobe of the brain

37
Q

Hypophyseal fossa

A

Houses pituitary gland

38
Q

Foramen magnum

A

Large opening toward posterior of skull on inferior view (spinal cord)

39
Q

Middle cranial fossa

A

Houses temporal lobe of brain

40
Q

Posterior cranial fossa

A

Houses brain stem and cerebellum

41
Q

Sagital suture

A

Formed between parietal bones (midline of skull)

42
Q

Hamulus

A

Movements of anterior soft palate

43
Q

Pterygopalatine fossa

A

Major nerve/blood vessels to oral/nasal cavity branch -between maxilla and pterygoid process.

44
Q

Medial pterygoid plate

A

Medial ptergoid muscle arises

45
Q

Lateral pterygoid plate

A

Lateral ptergoid muscle arises

46
Q

Maxillary processes

A

A) frontal
B) zygomatic
C) alveolar process
D) horizontal palatine

47
Q

Maxillary sinuses

A

Largest of paranasal sinuses -infection affects teeth and vice versa.

48
Q

Anterior nasal spine

A

Radiographic landmark for cephalometric films (ortho)

49
Q

Maxillary tuberosity

A

Bulge of bone posterior to maxillary 3rd molars. -much of growth of maxilla takes place.

50
Q

Hiatus

A

Opening into nasal cavity from maxillary sinus

51
Q

Lacrimal groove

A

From inner corner of eye to maxillary sinus- where tears flow into the nose

52
Q

Mandible parts

A
  • alveolar process
  • body
  • ramus
  • angle of the mandible
  • dividing line between body/ ramus
53
Q

Mental protuberance

A

Tip of the chin area

54
Q

Ramus parts

A
  • condyle
  • condylar neck
  • Coronoid notch- depression in the ramus
  • coronoid process
  • external oblique line (ridge)
55
Q

Mandibular foramen

A

Lingual surface- nerve/blood supply enters

56
Q

Mylohyoid line

A

Lingual surface- attachment for mylohyoid muscle

57
Q

Sublingual fossae

A

Depression above mylohyoid line -sublingual gland

58
Q

Retromolar triangle

A

Area immediately behind 3rd molars

59
Q

Genial tubercles

A

Midline lingual- muscle attachment (bullseye on x-ray)

60
Q

Lingula

A

Projection of bone partially covering mandibular foramen- attachment for sphenomandibular ligament

61
Q

Submandibular fossae

A

Depression below mylohyoid line - submandibular gland

Dental Anatomy (3 decks)

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