Mock

Question 1

Treatment planning 12 mins station

Man smokes, drinks 12 units a week, bottle of fizz a day. Complains of bleeding gums

Answer 1

Tooth wear - fizzy juice and need for reduction and how to monitor and give preventative advice, possible treatment of palatal restorations
Detailed HPT with scaling and OHI
Smoking cessation - how to access services
Diagnose perio with radiograph demonstration and give classification
Demonstrate caries on radiograph and discuss treatment options for direct restorations
3rd molars - left and right treatment options with recommendation to leave- impaction and angle

Instanding lower premolar

Question 2

Place a rubber dam for endo on 16 and test

Answer 2

Comfortable position
Single tooth isolation
Right size of hole

Appropriate clamp chosen, right way round. Dam fully under clamp
Frame on top of dam
Dam covers top lip

Opal dam and cured
Tested with CHX
Not covering nose

Dexterity

Question 3

Nurse with a needle stick - need to get consent for blood test

Answer 3

Explain nature of injury to patient
Explain risks of BBV transmission to dental nurse and that this is low, no risk to pt
Explain that these are universal procedures to all
Explain there is no pressure to give a blood sample
Ask for blood sensitively
Undertake review of MH to check for risk status
Ask if pt has any questions, do they understand
Confirm patient decision

Question 4

8yr old child fracture of 11

Answer 4

Talk through what is going to happen
Explain EDP fracture, or complicated crown fracture - in a way parent understands
As large exposure, treatment is called a pulpotomy, remove part of the pulp to get to healthy pulp underneath with aim to keep the pulp and tooth alive and continues to grow

Need baseline sensibility tests to check for health of tooth and ones next to it for long term monitoring

LA required - it is needed to stop the pain, injection into the gum above the tooth
Dental dam- what it is and why it is needed
Drill will be used to remove the pulp, leave only healthy tissue
Dressing (CaOH) will be used, and white filliNg will be used to preserve aesthetics

Everything explained in a way the parent can understand

Question 5

Hand piece safety

Answer 5

Back cap checked by gripping firmly
Bur securely located checked - pull firmly
Check coupling but gripping firmly
Check bur movement by spinning or rolling along fingers
Try to move bur laterally
Test sound by running for 5 seconds

Hand damaged hand piece to nurse and tell her the fault

Question 6

Parent wants to know about fluoride varnish

Answer 6

Risks and benefits
Greet patient, give name and designation
Respond to all patients questions And prompts for more
Establish good rapport
Good non verbal communication - position, eye contact
Language clear and appropriate for patient

Clear justification of caries prevention evidence of helping above daily tooth brushing
Universal for children, at least 2x year based on SIGN/SDCEP/NICE Guidelines

Explain risks - low risk for fluoride varnish and twice daily use of toothpaste
FV is carefully controlled amount given
Give toothpaste use guidance
Possible side effects - fluorosis/mottling

Give information freely without needing prompts from patient

Question 7

Single interrupted suture

Answer 7

Ideal instruments chosen
Mount needle 1/3 of length from thread end into needle holders
Correct grip of needle holder
Correct hold of tissue forceps
Atraumatic holding of tissue with tissue forceps
Inserts needle at right angle to wound edge and perpendicular to tissue
Appropriate distance from buccal flap
Pass needle through flap and retrieve with needle holders
Recount needle correctly
Full bite of tissue taken on second side and retrieved with needle holders (not fingers)
Demonstrate probation and supination of wrist
Needle safe during tying of knot
First throw- twice over, grasp free end of suture and approximate wound edges
Second throw- over in opposite direction, grasp free end and tighten. Final one in first direction
Cut suture ends at appropriate length for wound and material
Knot to the side of wound
Secure knot and wound apposed
Safe disposal of needle

Question 8

Design a CoCr lower denture to replace 35/36/37, 45/46

Answer 8

Outline saddle areas and clearly show retentive mesh
Occlusal rests - 34m, 44m or d, 47m
Major connector- Lingual bar connector
Indirect retention- Cingulum rests 43 or distal 44
Retention - 34 mesial gingivally approaching clasp, 44 gingivally approaching clasp, 47 occlusally approaching ring clasp
Reciprocation - all clasps are reciprocated either plate or self reciprocation or reciprocating clasp arm
Make sure all clasps drawn time engage undercuts
Tooth modification - 44buccal composite, guideplanes or tooth prep for occlusal rests
Draw prescription, sound design, follows written prescription. No errors

clear writing
Check occlusion of casts

Question 9

Warfarinised pt in pain - needs XLA of tooth

Answer 9

Introduce self and designation to patient
Ask pt about INR status - last done and what was it
Ask to see book
Explain in detail why tooth cannot be extracted today with no jargon
Refer relevant SDCEP guidelines
Do not proceed with XLA
Deal with pain - analgesia, pulp extirpation, sedative dressing
Make sure patient understands and asks if they have any question
Good eye contact, engaged with patient and good communication