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Dental Embryology, Histology, and Anaotmy > Chapter 1 > Flashcards

Chapter 1 Flashcards

1
Q

Regions of face

A
  • Frontal
  • Orbital
  • Nasal
  • Infraorbital
  • Zygomatic
  • Buccal
  • Oral
  • Mental
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2
Q

Frontal region of face

A

Forehead area and above eyes

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3
Q

Orbital region of face

A

Eyeball and all supporting structures contained in orbit of skull (bony eye socket)

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4
Q

Nasal region of face

A
  • External nose
  • Root of nose
  • Apex of nose
  • Naris
  • Nasal septum
  • Ala
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5
Q

Naris

A

Nostrils

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6
Q

Ala

A

Wing-like cartilaginous structures that laterally bind nares

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7
Q

Infraorbital region of face

A

Inferior to orbital region, lateral to nasal region

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8
Q

Zygomatic region of face

A

Farther laterally than infraorbital, overlies zygomatic arch (bony support for cheek)

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9
Q

Zygomatic arch

A

Extends from below lateral margin of eye toward middle part of external ear

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10
Q

Temporomandibular joint (TMJ)

A

Inferior to zygomatic arch and anterior to external ear
- Where upper skull forms joint w/ lower jaw

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11
Q

How to palpate TMJ

A

Finger placed gently into external ear canal during movement

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12
Q

Buccal region of face

A
  • Composed of soft tissue of cheek
  • Includes masseter muscle
  • Angle of mandible
  • Parotid salivary gland
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13
Q

Masseter muscle

A

Muscle that forms cheek
- Palpated when clenching teeth together

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14
Q

Angle of the mandible

A

Sharp angle of the lower jaw, inferior to earlobe

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15
Q

Parotid salivary gland

A
  • Has small part that can be palpated on patient in buccal and zygomatic regions
  • Located from zygomatic arch down to posterior border of lower jaw
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16
Q

Oral region of mouth

A

Includes
- Lips
- Oral cavity
- Philtrum
- Maxilla
- Mandible
- Labial commissure

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17
Q

Upper and lower lips

A

Fleshy folds that mark gateway of oral cavity proper
- Has vermillion zone, mucocutaneous junction, vermillion border

18
Q

Vermillion zone

A

Darker reddish appearance compared to surrounding skin

19
Q

Mucocutaneous junction

A

Surrounding skin by transition zone, outlines lips

20
Q

Vermillion border

A

Where vermillion zone and mucocutaneous junction meet?

21
Q

Philtrum

A

Groove above upper lip, like the divot above cupids bow

22
Q

Maxilla

A

Bone that underlies lip (upper jaw)

23
Q

Mandible

A

Bone that underlies lower lip (lower jaw)

24
Q

Labial commissure

A

Where upper/lower lips meet at corners of mouth

25
Q

Mental region of face

A

Chin area, chin is main feature

26
Q

Mandibular symphysis

A

Marks midline of mandible (mental region of face)

27
Q

Mandibular ramus

A
  • Stout flat plate on lateral aspect of mandible
  • Extends superiorly and posteriorly from body of mandible on each side
28
Q

Coronoid process

A

At anterior border of ramus
- A beaklike process in the ramus of the mandible

29
Q

Coronoid notch

A

Main part of anterior border of ramus
- Forms concave inward curve

30
Q

Facial Esthetics

A

Face is divided into thirds
- Aka vertical dimension of face

31
Q

Golden proportions

A

Set of guidelines that allows for comparison of dimensions of face for functional and esthetic purposes

32
Q

Regions of the neck

A
  • Regions of neck extend from skull and lower jaw down to clavicles and sternum
  • Can be further divided into cervical triangles using large bones and muscles in area
  • Lymph nodes located in some areas of neck (should be noted when palpated)
33
Q

Sternocleidomastoid muscle (SCM)

A
  • Easily palpated on each side of the neck
  • Borders of this muscle divide neck into further regions
34
Q

Hyoid bone

A
  • At anterior midline, suspended in neck
  • Many muscles attach to it, controls base of tongue
35
Q

Thyroid cartilage

A
  • Found in anterior midline and inferior to hyoid bone
  • Prominence of larynx (voice box)
36
Q

Larynx

A

Voice box

37
Q

Where vocal cords are attached as ligaments of larynx

A

Posterior surface of thyroid cartilage

38
Q

Thyroid gland

A
  • Endocrine gland
  • Can be palpated
  • Inferior to thyroid cartilage at junction of larynx and trachea
39
Q

Parathyroid gland

A
  • Endocrine gland
  • Located close to/within posterior aspect of ea. side of thyroid gland
  • CANNOT be palpated
40
Q

Other glands that can be palpated in neck

A

Submandibular salivary and sublingual salivary gland

Dental Embryology, Histology, and Anaotmy (5 decks)

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