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Dt > Dt 2 Tissue of oral cavity > Flashcards

Dt 2 Tissue of oral cavity Flashcards

1
Q

Eruption

A

The movement of the teeth into the working position

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2
Q
  1. Exfoliate
A

I. The normal process of shedding the primary teeth

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3
Q
  1. Succedaneous
A

Permanent teeth that replace primary teeth

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4
Q
  1. Supernumerary
A

H. Additional teeth, usually small and poorly developed

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5
Q
  1. Hyperdontia
A

B. The condition of having one or more supernumerary teeth

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6
Q
  1. Anodontia
A

L. The absence of some or all teeth because the teeth had never developed

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7
Q
  1. Congenitally missing
A

J. When one or more teeth do not develop

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8
Q
  1. Edentulous
A

A. Having no teeth

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9
Q
  1. Impacted
A

Unerupted tooth beyond the time at which it should erupt

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10
Q

Eruption of primary teeth starts @ and ends @

A

starts 6 months and ends 3 years

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11
Q

Exfoliation of primary teeth starts @ __ and ends @____

A

starts @ 6 and ends @ 12 year

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12
Q

a person has both primary and secondary dentition.

A

mixed dentition.

age 6 and 12 years,

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13
Q

. Eruption of secondary teeth starts__and ends @___

A

starts 6 years and ends @ 21 years (wisdom teeth)

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14
Q

what is a retained primary tooth?

A

a primary tooth that hasn’t exfoliated

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15
Q

Teeth are either__ rooted or __ rooted.

A

single rooted or multi rooted.

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16
Q

These roots sit in ______within the alveolar process

A

alveolar socket

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17
Q

“gums”

A

gingival tissue surrounds each tooth

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18
Q

Primary Dentition

3 classes

A

12 anterior
8 posterior
0 premolars
8 molars

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19
Q

Secondary Dentition

4 classes

A

12 anterior
20 posterior
8 premolar
12 molar

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20
Q

Tooth Formation begins In __

A

utero

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21
Q

pimitive mouth froms

A

 3 weeks

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22
Q

Tongue, jaws, and palate develop

A

3-5 weeks

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23
Q

primary tooth bud develop

A

5 weeks***

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24
Q

Secondary tooth buds develop

A

 6 weeks

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25
Q

all buds of Primary present

A

8 weeks

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26
Q

tooth buds of permenant teeth present

A

 20 weeks

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27
Q

The tooth cells develop knob shaped structures

A

Bud

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28
Q

Cap

A

increase cell number and become more “cap like”

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29
Q

Bell

A

Cells= specialized (enamel and dentin)

basic form/shape of tooth is developed

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30
Q

•Crown

A

Crown Tissues calcify/harden

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31
Q

• Does not occur until the crown has completely formed

A

Root

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32
Q

4 parts of a tooth

A 
1. Crown
• Clinical
-anatomical
2. Apex
3. Cervix
4. Root
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33
Q

clinical crown.

A

the portion of the tooth that is visible in the oral cavity

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34
Q

Enamel-

A

Hardest material in the body
• white protective surface Covers the crown
protects the dentin

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35
Q

Dentin

A

Makes up the bulk of the tooth
• Protects the pulp by forming the pulp chamber
• In the crown area- pulp chamber
• In the root- root canal

36
Q

Cementum-

A

Hard, bone like covering of the root
attachment for periodontal ligament
• Helps to hold the tooth in position

37
Q

Pulp-

A

• soft tissue in cavity

not calcified

38
Q

apical foramen

A

opening of the pulp canal, where the nerve supply enters and leaves the tooth

39
Q

The ANATOMICAL CROWN

A

part of the tooth that is covered

with enamel

40
Q

CLINICAL CROWN

A

part of the tooth which is visible in the mouth.

41
Q

CERVIX

A

neck of the tooth

the narrow area where the enamel of crown joins cementum of the root.

42
Q

CEJ

A

Cemento-Enamel Junction
line around the perimeter of the tooth
where the enamel covering the crown crown-> meets cementum covering the root

43
Q

ROOT

A

covered with Cementum

help to hold the tooth in its bony socket

44
Q

APEX

A

APEX is the tip of the

root of the tooth.

45
Q

APICAL

FORAMEN

A

the nerve and
blood supply enter and leave
the tooth

46
Q

interproximal space embrasure

A

Triangular area between adjacent tooth surfaces
(usually filled with interdental papilla)
aka “open contact”

47
Q

contact area

A

Interproximal areas that touch
adjacent teeth in the same
arch.
mesial+ distal surfaces =contact in the same areas

48
Q

Diastema

A

A space between two teeth (tooth gap)

49
Q

Cingulum

A

Raised, rounded area on the cervical third of the lingual surface of anterior teeth

50
Q

Marginal Ridges

A

: Raised, rounded border elevations on on the mesial and
distal aspects of the lingual surfaces of anterior teeth.
Named according to their
relationship to the midline- eg “distal
marginal ridge, or mesial marginal ridg

51
Q

Lingual fossa

A

Wide, shallow depression on the
lingual surfaces of anterior teeth.
Above the Cingulum and between the
mesial and distal marginal ridges

52
Q

groove

A

serves as a spillway, allowing food to escape during chewing

53
Q

Fissures and Pits

A

A Fissure on groove on the occlusal surface caused by imperfect joining of the lobes during tooth formation. prone to tooth decay.
Pits -caused by the crossing of 2 fissures. found on anterior
teeth and buccal surfaces of posterior teeth.

54
Q

The purpose of a sealant is

A

prevent occlusal decay

55
Q

Cusp

A

Major conical elevation on the masticatory(chewing) surfaces of canine and
posterior teeth

56
Q

Cusp of Carabelli

A

bump on first molar lingual maxillary surface- in Permanent Dentition
primary dentition = Cusp of
Carabelli is located on the maxillary 2nd
molar

57
Q

Distal cusp

A

located on Mandibular 1st Molars

between the Distobuccal and Distolingual cusps

58
Q

Furcation

A

Area between two or more root
branches
2 Roots = Bifurcation
3 Roots = Trifurcation

59
Q

Mamelon

A

3 rounded bumps on the incisal area
on newly erupted central and lateral incisors
in PERMANENT DENTITION.

60
Q

2 functions of the periodontium are to:

A
  1. Surround the teeth

2. support the teeth

61
Q

The 4 parts of the periodontium include the:

A
  1. Gingiva
  2. Periodontal Ligament (PDL)
  3. Cementum
  4. Alveolar Bone
62
Q

his part is also known as the “Gingival Unit”

A

Gingiva

63
Q

These parts are collectively known as the “Attachment Apparatus”

A

Periodontal Ligament (PDL)
Cementum
Alveolar Bone

64
Q

There are 3 types of gingiva. This includes

A

Marginal/ unattached/ free
Attached
Interdental

65
Q

sulcus

A

a v-shaped on marginal gingiva

measured by periodontal probing.

66
Q

. The ____is a hard tissue that covers the root of the tooth, and joins the enamel at the
______.

A 
Cementum 
cementoenamel junction (CEJ)
67
Q

cementum assists the PDL in ______within the alveolar socket.

A

anchoring and suspending the tooth

68
Q

The periodontal ligament (PDL

A

surrounds the root
suspend the tooth
it acts like a shock absorber)

69
Q

. The______ is the portion of the jaws that forms and supports the tooth sockets

A

alveolar bone

70
Q

What are the 5 boundaries of the oral cavity

A
  • Anterior
  • Posterior
  • Superior
  • Lateral
  • Inferior
71
Q

The entire oral cavity is lined with_____. This is also called
_____

A

mucous membrane tissue

oral mucosa.

72
Q

The 3 categories of tissues of the oral cavity are:

A

masticatory

  1. lining
  2. specialized
73
Q

Buccal, labial, and alveolar mucosa are all within which category of tissue?

A

Lining mucosa.

74
Q

How many divisions are there in the oral cavity

A

2
Oral vestibule: Outside
Oral cavity proper: Inside

75
Q

The landmarks of the oral vestibule are:

A 
Buccal Mucosa
• Parotid Papilla
• Labial Mucosa
• Alveolar Mucosa
• Mucogingival Junction
• Height/depth of Vestibule
• Frenum/Frena
• Gingiva
76
Q

What are the landmarks of the oral cavity proper?

A

o Hard- incisive papilla, palatal rugae, median palatine raphe

• Soft- uvula, arches/pillars, tonsils

  • Tongue
  • Floor of the mouth
  • Lingual frenum, sublingual caruncles, plica
  • Maxillary tuberosity
  • Retromolar pad
77
Q

.Where is the incisive papilla located?

A

• Located behind the maxillary central incisor

78
Q

• Palatal rugae

A

o Irregular ridges or folds of masticatory mucosa

79
Q

• Median palatine raphae

A

o Ridged union of tissue extending from incisive papilla to uvula

80
Q

What are the two supporting arches of the soft palate

A

Anterior Palatoglossal arch
• Anterior arch soft palate lateral aspects
of the tongue
Posterior Palatopharyngeal arch
• Posterior supporting arch nearest the pharyn

81
Q

The tongue functions to:

A
  • Help us to Speak
  • Position food while eating
  • Taste and Feel
  • Swallow
  • Cleanse the oral cavity
82
Q

.What are the surfaces of the tongue?

A

• Dorsal, lateral, ventral

83
Q

What is the gag reflex?

A

• Protective mechanism

84
Q

sublingual caruncles

A

2 small, raised folds of tissue - either side of the lingual frenum.

85
Q

plica

A

folds of tissue at bottom of tongue that connects tongue to bottom of tongue.

86
Q

There are 3 pairs of major salivary glands

A

parotid inside the cheeks. Largest)

The submandibular gland botom of mouth.
Wharton’s duct smallest,

sublingual gland, and it is located on the floor of the mouth

Dt (10 decks)

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