OSCE

Question 1

CAUSE OF ANGINA

Answer 1

reversible narrowing of coronary arteries

Question 2

SYMPTOMS OF STABLE ANGINA

Answer 2

pain during exercise that goes away with rest
unstable sees spontaneous pain

Question 3

SYMPTOMS OF REVERSIBLE PULPITIS

Answer 3

discomfort to stimuli (cold and sweet) thats goes away within a few seconds once stimuli removed
should resolve once aetiology addressed - caries, deep restoration, exposed dentine

Question 4

SYMPTOMS OF IRREVERSIBLE PULPITIS (SYMPTOMATIC )

Answer 4

sharp pain to thermal stimuli
pain can also be spontaneous, lingering, referred and accentuated by postural changes
OTC analgesics will not help
RCT indicated

Question 5

POSITION OF PATIENT FOR EXTRACTIONS

Answer 5

lowers - upright
uppers - 45 degrees - 90 degrees

Question 6

WHAT HEIGHT SHOULD PT BE AT FOR EXTRACTION

Answer 6

elbow height

Question 7

TECHNIQUE FOR EXTRACTING MULTI ROOTED TEETH

Answer 7

buccal expansion and figure of 8
apical pressure

Question 8

TECHNIQUE FOR EXTRACTING SINGLE ROOTED TEETH AND PREMOLARS

Answer 8

rotation
apical pressure

Question 9

FUNCTION OF LUXATORS AND ELEVATORS

Answer 9

luxators - sever PDLs to create mobility
elevators - create space

Question 10

HOW TO TELL DIFFERENCE BETWEEN COUPLANDS AND LUXATOR

Answer 10

couplands has sharp edge, luxator round

Question 11

HOW TO USE COUPLANDS

Answer 11

wedge - downwards + mesial distal
Level - interprox - apical/ coronal

Question 12

HOW TO USE CRYERS

Answer 12

wheel and axel

Question 13

HOW TO USE LUXATOR

Answer 13

move from mesial to distal , buccal only

Question 14

HAND POSITION FOR ELEVATORS AND LUXATORS

Answer 14

grip instrument with thumb and fingers round, index finger on shank for support and control

Question 15

NAME 3 FUNCTIONS OF DENTAL DAM

Answer 15

moisture control
field isolation
airway protection

Question 16

WHY MIGHT DENTAL DAM BE CONTRAINDICATED

Answer 16

breathing issues
pre - cooperative

Question 17

WHAT NERVES INNERVATE UPPER TEETH

Answer 17

posteriors - posterior superior AN
premolars - middle SAN
anteriors - anterior SAN

Question 18

WHAT NERVES INNERVATE THE PALATAL GINGIVA OF UPPER TEETH

Answer 18

3-3 = nasopalatine
4 back = greater palatine

Question 19

WHAT NERVES INNERVATE BUCCAL GINGIVA OF UPPER TEETH

Answer 19

same as pulp - posterior, middle and anterior SANs

Question 20

WHAT NERVES INNERVATE THE LOWER TEETH

Answer 20

all IAN , incisive branch does 1-4

Question 21

WHAT NERVES INNERVATE BUCCAL GINGIVA OF LOWER TEETH

Answer 21

molars - buccal nerve
1-5 - mental nerve

Question 22

WHAT NERVE INNERVATES LINGUAL GINGIVA OF LOWER TEETH

Answer 22

all lingual nerve

Question 23

WHERE SHOULD PT BE SITTING FOR AN IANB

Answer 23

upright at correct height (elbow)

Question 24

PURPOSE OF CENTRE LINE

Answer 24

incisor teeth set either side

Question 25

DISTANCE BETWEEN LABIAL OF CENTRAL AND DISTAL INCISIVE PAPILLA

Answer 25

10mm

Question 26

PURPOSE OF CENTRE OF ALVEOLAR RIDGE LINE

Answer 26

identifies location of lower posteriors

Question 27

PURPOSE OF RESIDUAL ALVEOLAR RIDGE CONTOUR LINE

Answer 27

displays contour when ridge is covered by base

Question 28

WHAT IS AN ALMA GAUGE USED FOR

Answer 28

determines vertical and horizontal position of anterior teeth relative to a specific point on the denture base e.g incisive papilla

Question 29

MAXILLARY SUPPORT FOR DENTURES

Answer 29

palate and tuberosities

Question 30

MANDIBULAR SUPPORT FOR DENTURES

Answer 30

buccal shelf and residual ridge

Question 31

MAXILLARY DENTURE RELIEF AREAS

Answer 31

incisive papilla, palatine fovea, crest of ridge

Question 32

MANDIBULAR DENTURE RELIEF AREAS

Answer 32

mylohyoid ridge, tori,

Question 33

WHAT SIZE OF RECEPTOR FOR EACH RADIOGRAPH

Answer 33

bitewings and posterior periapical - size 2 anterior periapical - size 0

Question 34

WHAT RADIOGRAPH SHOULD COTTON WOOL NOT BE USED

Answer 34

bitewings

Question 35

MINIMUM FSD

Answer 35

200mm

Question 36

RECOMENDED COLLIMATION

Answer 36

rectangular, lead

Question 37

WHAT ACTIVE COMPONENTS REQUIRE ID TUBING

Answer 37

roberts retractor and buccal canine retractors

Question 38

WHAT DIAMETER WIRE FOR AN ADAMS CLASP

Answer 38

0.7mm

Question 39

WHAT PLIERS FOR AN ADAMS CLASP

Answer 39

number 64 pliers - 2 square tips (one with one cone is 65's)

Question 40

WHAT 2 COMPONENTS WOULD YOU USE TO CORRECT AN ANTERIOR CROSSBITE

Answer 40

z spring and posterior bite plane

Question 41

5 DISPLACEMENT FORCES

Answer 41

gravity, speech, tongue, mastication, ,active components