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DH 111 Dental and Orofacial Anatomy > Surface Anatomy > Flashcards

Surface Anatomy Flashcards

1
Q

Know the regions of the head.

A

Frontal, parietal, occipital, temporal, auricular, orbital, nasal, infraorbital, zygomatic, buccal, oral, mental.

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2
Q

supraorbital ridge,

A

Area that is directly inferior to each eyebrow.

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3
Q

glabella,

A

smooth elevated area between the eyebrows.

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4
Q

Frontal Eminence

A

The prominence of the forehead.

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5
Q

Sclera:

A

white area on eyeball.

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6
Q

Iris

A

colored part of eyeball

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7
Q

Pupil

A

Opening at the center of the iris, the black part of the eye.

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8
Q

Lateral canthus:

A

Outer corner of the eye where the upper and lower eyelids meet.

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9
Q

Medial Canthus:

A

The inner angle of the eye.

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10
Q

° Root of the nose

A

located between the eyes (bridge from one eye to the other)

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11
Q

° Bridge of the nose

A

: inferior to the nasion, is the bony structure of the skull.

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12
Q

° Nasion;

A

inferior to the glabella, a midpoint cephalometric landmark of the nasal region that corresponds to the junction between the underlying bones.

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13
Q

° Naris:

A

inferior to the apex on both sides of the nose (nostrils)

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14
Q

° Nasal septum:

A

the midline which separates the nares.

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15
Q

° Nasal Septum Cartilage:

A

…

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16
Q

° Ala:

A

wing like cartilage structures that border the nares laterally.

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17
Q

° Apex:

A

the tip of the nose.

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18
Q

° The vermillion zone:

A

lips

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19
Q

° Philtrum:

A

a vertical grove in the skin, superior to the upper lip and inferior to the nasal septum.

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20
Q

° Tubercle:

A

the thicker area of tubercle of the upper lip is inferior to the philtrum on the midline of the upper lip.

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21
Q

° Labial commissure:

A

where the upper and lower lip meet at each corner of the mouth.

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22
Q

° Nasolabial sulcus:

A

the grove running upward between each labial commissure and each ala of the nose.

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23
Q

° Labiomental grove:

A

horizontally placed grove which separates the lower lip from the chin in the mental region

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24
Q

o What is another term that could be used when referring to the angle of the mouth?

A

° Labial commissure.

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25
Q

° Nasolabial grove:

A

grove running upwards between the labial commissure and the ala of the nose.

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26
Q

° Labiomental grove:

A

grove separating lower lip from chin.

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27
Q

° Labial mucosa:

A

pink and thick, lines the inner part of the lips

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28
Q

° Buccal mucosa:

A

thick and pink, lines the inner cheek, continuous with labial mucosa

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29
Q

Buccal fat pad:

A

…

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30
Q

° Parotid papilla:

A

protects the duct opening from the parotid salivary gland. Located on the inner part of the buccal mucosa just opposite of the maxillary second molar, is a small elevation of tissue.

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31
Q

Maxillary tuberosity

A

tissue covered elevation on the posterior aspect of the maxilla just posterior to the most distal tooth.

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32
Q

Retromolar pad

A

Dense pad of tissue just posterior to the most distal mandibular molar.

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33
Q

° Vestibules:

A

horse-shoe shaped pocket: upper and lower spaces between cheeks, lips, and gingival tissue in oral region.

34
Q

° Alveolar mucosa:

A

mucosa that lines the vestibules of the oral cavity.

35
Q

° Mucobuccal Fold:

A

fold in the vestibule where labial or buccal mucosa meet alveolar mucosa.

36
Q

° Labial Frenum:

A

a fold of tissue located at the midline between the labial mucosa and the alveolar mucosa for both the maxilla and the mandible.

37
Q

° Alveolus:

A

socket that each tooth is located in.

38
Q

° Gingiva:

A

composed of firm, pink oral mucosa that surround both the maxillary and mandibular

39
Q

° Attached gingiva:

A

the gingiva that tightly adheres to the bone around the roots of the teeth.

40
Q

° Mucogingival junction:

A

the line (scallop shaped) of demarcation between the firmer and pinker attached gingiva and the movable and redder alveolar mucosa.

41
Q

° Marginal gingiva:

A

gingiva at the margin (free gingiva) not attached to the tooth.

42
Q

° Gingival sulcus:

A

the inner surface of the marginal gingiva.

43
Q

° Interdental gingiva:

A

the gingival tissue between adjacent teeth adjoining attached gingiva, each individual extension is INTERNDENTAL PAPILLA.

44
Q

o What demarcates the firmer pinker attached gingiva and the removable and redder alveolar mucosa?

A

Mucogingival junction

45
Q

° Incisive papilla:

A

a small bulge of tissue at the most anterior part of the hard palate, lingual to the anterior teeth.

46
Q

° Palatine Rugae:

A

directly posterior to the incisive papilla, firm and irregular ridges of tissue.

47
Q

° Soft palate:

A

The yellower and looser posterior part of the palate is the soft palate.

48
Q

° Uvula of the palate:

A

is a midline muscular structure that hangs from the posterior margin of the soft palate.

49
Q

° Median palatine raphe:

A

a midline ridge of tissue on the hard palate which runs from the incisive papilla to the uvula.

50
Q

° Pterygomandibular fold:

A

fold of tissue that extends from the junction of the hard and soft palates on each side down to the mandible, just posterior to the most distal mandibular molar and stretches when the patient opens their mouth wider.

51
Q

° The hard palate is formed by…

A

…

52
Q

differentiate between the hard and soft palate?

A

° The hard palate in the firmer, whiter, anterior part. The yellower and looser posterior part of the palate is the soft palate.

53
Q

♣ Base of the tongue:

A

posterior third. Attaches to the floor of the mouth. Lies within the oral part of the throat or pharynx.

54
Q

♣ Body of the tongue:

A

anterior two thirds of the tongue. Lies in the mouth.

55
Q

♣ Apex of the tongue:

A

the tip of the tongue.

56
Q

° Lingual Papillae:

A

small elevated structures of specialized mucosa located in certain surfaces of the tongue.

57
Q

♣ Foliate lingual papillae:

A

lateral surface of the tongue, contain taste buds, more prominent in children.

58
Q

♣ Filiform lingual papillae:

A

dorsal surface of tongue (top), slender, thread-like, give the dorsal (top) surface its velvety texture.

59
Q

♣ Fungiform lingual papillae:

A

red mushroom-shaped dots.

60
Q

♣ Circumvallate lingual papillae:

A

10-14 in number line up along the anterior side of the sulcus terminalis on the body. Large mushroom-shaped lingual papillae and have taste buds at their bases.

61
Q

° Median lingual sulcus:

A

Midline depression on the dorsal surface of the tongue.

62
Q

° Sulcus Terminalis:

A

“v”-shaped grove posteriorly on the dorsal surface of the tongue. (difficult to see clinically)

63
Q

° Lingual tonsil:

A

located posteriorly on the dorsal surface, irregular mass of lymphoid tissue.

64
Q

° Plica Frimbriato:

A

lateral to the deep lingual veins on each side of the ventral, a fold with finger-like projections.

65
Q

° External ear:

A

composed of auricle or oval flap of the ear and the external acoustic meatus (EAM).

66
Q

° Auricle:

A

Oval flap of the ear (helix-lobule)

67
Q

° External acoustic meatus:

A

…

68
Q

° Helix:

A

Superior portion of the auricle which ends inferiorly at the lobule.

69
Q

° Lobule:

A

The fleshy protuberance of the earlobe.

70
Q

° Tragus:

A

smaller flap of tissue of the auricle anterior to the external acoustic meatus.

71
Q

° Antitragus:

A

other flap of tissue opposite of the tragus

72
Q

° Intertragic notch:

A

between the tragus and the antitragus is a deep notch known as the intertragic notch.

73
Q

° Infraorbital region:

A

inferior to the orbital region and lateral to the nasal region.

74
Q

° Zygomatic region:

A

lateral to the infraorbital region. Overlies the cheekbone.

75
Q

° Zygomatic arch:

A

the cheekbone, extends from the inferior part of the lateral margin of the eye towards the middle part of the ear.

76
Q

° TMJ:

A

Inferior to the zygomatic arch and just the anterior of the ear. This is where the upper skull forms a joint with the lower jaw.

77
Q

° Buccal region:

A

composed of the soft tissue of the cheek.

78
Q

° Masseter muscle:

A

felt when patient clenches their teeth.

79
Q

o Know what houses the palatine tonsils.

A

° Oropharynx.

80
Q

o What is another term used for adenoids?

A

…

81
Q

o Where is the sublingual caruncle located, and what is its purpose?

A

° At the anterior end of each sublingual fold contains the duct openings from both the submandibular and sublingual glands.

DH 111 Dental and Orofacial Anatomy (15 decks)

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