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CSP3 YR5- Restorative RESET > Intro to the Oral Cavity > Flashcards

Intro to the Oral Cavity Flashcards

1
Q

Name each part of the oral cavity?

A

Lips, cheeks, soft/hard palate, gingivae, tongue, floor of mouth, teeth, larynx, pharynx and epiglottis

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2
Q

Explain the role of the lips?

A

Used as an exploratory area in babies, and also contain salivary glands. Help to keep teeth in position

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3
Q

What is the muscle surrounding the lips? and it’s function?

A

Orbicularis oris, it is very strong and counteracts the tongue’s thrust

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4
Q

Why do the cheeks suffer less infection than the teeth?

A

Due to desquamation, as bacteria can stick onto the surface of teeth

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5
Q

What is the oral mucosa?

A

The lining of the mouth

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6
Q

What is the gingivae?

A

The part of the oral mucosa covering the bone

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7
Q

Name the parts of the gingivae?(free and attached)***

A

Gingival sulcusFree gingivaFree gingival grooveAttached gingivaMucogingival junctionAlveolar mucosa

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8
Q

Where is the hard palate located?

A

Roof of the mouth (towards the front)

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9
Q

What is the function and location of the rugae?

A

apart of the hard palate.for mastication and suckling in infants

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10
Q

Where is the soft palate located?

A

Roof of the mouth (towards the back)

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11
Q

Name the part associated with the soft palate and the function of the palate?

A

Uvula (raised and lowered for speech)Important for swallowing

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12
Q

The functions of the tongue?

A

Fills space bounded by teeth when mouth closedTaste buds for taste

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13
Q

What is the cord called underneath the tongue?

A

The Frenulum

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14
Q

What does the floor of the mouth mainly contain?

A

Major salivary glands and blood vessels (covered by a thin epithelium)

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15
Q

The structural role and function of the pharynx?

A

Makes up the posterior wall of the oral cavityActive in the digestive and respiratory processes

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16
Q

What is the anatomical crown?

A

The part of the tooth that is covered by enamel.

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17
Q

What is the clinical crown?

A

The part of the tooth that is clinically visible.

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18
Q

What are the surfaces of the teeth?

A

MesialDistalBuccalLingualPalatalOcclusal

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19
Q

What surface faces towards the cheek?

A

Buccal

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20
Q

What surface contacts the opposing teeth in the jaw?

A

Occlusal

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21
Q

What surface faces towards the tongue?

A

Lingual

22
Q

What surface faces towards the palate?

A

Palatal

23
Q

What surface faces towards the midline?

A

Mesial

24
Q

What surfaces faces away from the midline?

A

Distal

25
Q

What is the biting edge of a incisor called?

A

Incisal edges

26
Q

What is the name of the part of the crown nearest to the gum called?

A

Cervical margin

27
Q

What are the 4 types of teeth?

A

Incisors, canines, premolars and molars

28
Q

What is the function of incisors?

A

Slicing or incising

29
Q

What is the function of the canines?

A

Tearing

30
Q

What is the function of the premolars and molars?

A

Grinding and mashing

31
Q

What are the basic components of teeth?

A

Enamel, dentine and pulp

32
Q

Where is the enamel found?

A

Covers the crown of the tooth

33
Q

What is the hardest tissue in the body?

A

Enamel

34
Q

What makes the enamel perfect for its role?

A

It has no blood or nerve supply (non-vital)

35
Q

How is enamel formed

A

Amelogenesis

36
Q

What is the 2nd layer of the tooth?

A

Dentine

37
Q

How does the Dentine and Enamel differ?

A

Mineralised and has a blood and nerve supplyCapable of growth and repairCovers the root surface

38
Q

How is the dentine formed?

A

Dentinogenesis

39
Q

What is the pulp?

A

A mass of blood vessels and nerves which make up centre of tooth.

40
Q

What is the pulp connected to?

A

Connect with the major nerves and vessels of the head and neck.

41
Q

The name given to inflammed pulp?

A

Pulpitis

42
Q

What is the periodontium, and its associated structures

A

It surrounds the tooth and consists of 4 structures:GingivaPeriodontal ligamentAlveolar boneCementum

43
Q

What is the function of the periodontium?

A

Attachment of teeth to the jaws.Effective support during masticatory function

44
Q

Signs of healthy gingiva?

A

Firm, pale pink and stippledWith no blood on probing

45
Q

What is the function of the gingiva?

A

Provides attachment between the oral mucous membrane & the teeth.Prevents bacterial invasion of the underlying periodontal tissues.

46
Q

Where is the periodontal ligament found?

A

Between the cementum and the alveolar bone

47
Q

What is the periodontal ligament formed from?

A

Specialized vascular connective tissue.Fibrous attachment of the tooth (collagen based).

48
Q

What is the function of the periodontal ligament?

A

Gives functional adaptation of the tooth in the bony socket under functional demands.

49
Q

Ageing’s affect on the periodontal ligament?

A

Progressively decreases in width with age,also changes with functional demands and any pathological process

50
Q

What is the cementum?

A

A specialized, calcified connective tissue that covers the anatomic root of a tooth, giving attachment to the periodontal ligament. Derives nutrition from the ligament

51
Q

What is the alveolar bone and its function?

A

Specialised bone that supports the teeth. Develops with the dentition and resorbs with loss of the dentition.

CSP3 YR5- Restorative RESET (44 decks)

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