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Flashcards in Saliva/ oral anatomy Deck (54)
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1

What is the technical term for the mouth?

Oral cavity

2

What are the 2 parts which the mouth is split into?

The inner vestibule- inside the teeth where the tongue sits

Buccal sulcus- between the outside of the teeth and the cheeks

3

What is the oral cavity lined with?

Moist tissue called the oral mucosa

4

What is the two different names of the gingivae within the mouth?

The attached gingivae
The gingival crevice

5

Where is the gingival crevice?

The gym around each tooth

6

Where is the attached gingivae?

Gum fastener to the alveolar bone

7

What is the hard palate covered in?

Ridged tissue called the rugae which helps when sucking and talking

8

What does the soft palate do?

Prevents food from entering the nose during swallowing which has a small projection of tissue in the centre called the uvula

9

Where is the retro-molar triangle?

On the bone behind the lower third molar

10

What tissue covers the retro molar triangle?

The molar pad

11

What bit of tissue can become inflammed during eruption causing peritonitis?

The molar pad

12

What are tonsils?

Large lymph glands

13

When infection is present in the tonsils what do they fill up with?

White blood cells called lymphocytes

14

What do white blood cells try to do?

Stop infection from spreading

15

What is the name of the strands of tissue which attach to the underlying bone?

Fraenums e.g. under the lip

16

What is the name for the gap in between the central incisors?

The mid line diastema

17

What is the name of a small taste bud?

Filliform papillae

18

What is the name of a medium taste bud?

Fungiform papillae

19

What is the name of large taste buds?

Circumvallate papillae

20

Which bit of tissue can cause a tongue to to be tied?

The lingual fraenum

21

Which part of the tongue can be given drugs for easy absorption?

The underneath (sublingually)

22

What is the name of the flap of tissue which protects the top of the larynx (airway) from good going down the wrong way?

The epiglottis

23

What is the name for the swelling of the tongue?

Glossitis

24

What are signs of oral cancer which can be spotted during an exam?

White patches, lump, persistent ulcers

25

What is the names of the three main salivary glands?

Parotid
Sublingual
Submandibular

26

What duct does the parotid gland secrete from?

The stensons duct

27

What percentage of saliva does the parotid gland secrete?

25%

28

Where is the parotid gland?

In front of the ear, around the outer army’s if the mandible

29

Where is the sublingual gland found?

Under the floor of the mouth behind the lower incisors

In the sublingual fossa on the inner body of the mandible

30

What type of saliva does the parotid duct secrete?

Thin ‘serous’ saliva

31

Where is the stensons duct?

Opposite the upper molar teeth

32

What type of saliva does the sublingual gland secrete?

Thick ‘mucus’ saliva through 10-20 sublingual ducts under the tongue

33

Where is the submandibular gland found?

Inside the angle of the mandible in the submandibular fossa

34

What type of saliva does the submandibular gland produce?

A medium ‘muco-serous’ saliva

35

What duct does the submandibular gland secrete from?

The Wharton’s duct

36

Where is the Wharton’s duct?

Behind the lower incisors

37

What is saliva made up from?

99% water plus
Proteins
enzymes
waste products
Inorganic ion- minerals e.g. calcium
Gases- co2, oxygen and phosphate
Extras- bacteria, food, white blood cells

38

What is the name for reduced saliva flow?

Xerostomia

39

Why may a patient have reduced saliva flow?

-radiotherapy
-immune deficiency
-blocked salivary glands
-drugs, like statins
-fear and emotions
-alcohol
-dehydration
-pre end drugs, like atropine

40

How may saliva flow be increased?

-Thought, site or smell of food
-stimulation of the glands
-nausea
-sour foods
-food poisoning
-yawning

41

What are the functions of saliva?

-digestion
-cleansing
-buffet
-remineralisation
-moistening
-lubrication
-sticking
-excretion
-fluid balance

42

what are the problems with saliva?

-indigestion
-bacterial overgrowth
-increased caries
-discomfort
-speech difficulty
-difficultly swallowing
-build up of waste
-thirst

43

Why just saliva be controlled during dental treatments?

- allow visibility
- protect patient airways
- prevent aerosol and spatter
- prevent contamination
- ensure patient is comfortable

44

During dental treatment how can you control saliva?

- suction
- rubber dam
- absorptions e.g. cotton roll
- rinsing brakes
- air syringe

45

What is the most common type of oral cancer?

Invasive squamous carcinoma which is painless

46

What test can be used to used to test for oral cancer?

Ora test
Using orascreen tolonium Chloride blue dye

47

What are the two main types of Tumors?

Benign- localised found in one area and doesn’t spread elsewhere

Malignant- this tumor consists of cancer cells which have the ability to spread beyond the original sight

48

What is oral candidosis caused by?

Candida albicans

49

What does oral thrush look like?

A white film and sore patches occurs on the tongue and roof of the mouth

50

How do you treat oral thrush?

Antifungal gel, lozenges etc

51

What is the name for oral candidosis under a denture?

Denture stomatitis

52

What is the name for oral candidosis around the corners of the lips?

Angular Chelitis

53

Where does herpes simplex lay?

In the trigeminal nerve

54

How do you treat herpes simplex?

By using aciclovir or zovirax