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past paper > 2020 > Flashcards

2020 Flashcards

1
Q

Manage occlusal trauma

A

Analyse occlusal relationship with millers forceps and articulating paper

Occlusal adjustemtns to restorations impacting tooth

preventitive managemnt of tooth wear if there

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2
Q
  1. During instrumentation of the canal where is considered the ideal end point of shaping/obturation
A

The apical constriction and cemento dentinal junction

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3
Q
  1. What is a working length in endodontics?
A

The extent from the apical terminus of the preperation of a predefined coronal refrence point

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4
Q
  1. What TWO common intra-operative radiographs can be utilized during endodontic treatment to aid working length determination?
A

Corrected working length radograph and master cone radiograph

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5
Q
  1. Please state 2 potential causes of a corrected working length changing during the course of endodontic shaping?
A

Perforation

Straighting of canals

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6
Q

End of care treatment NG

A

Review 1/2 weeks

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7
Q
  1. The retruded axis is said to be a border position of the mandible. What is a border position?
A

1 determined by anatomy of the TMJ and musculature

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8
Q
  1. Why is the retruded axis important in clinical dentistry?
A

Reproducible jaw position

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9
Q

Explain what the following terms mean with regard to optical properties of the materials.

i) Translucency
(2 marks)

ii) Opalescence

A

T= The ability of a material to allow light to pass though but be scattered at one of the surfaces or internally leading to a blurring of the trasmitted light

Opalence= The ablity of traanslucent material to appear blue in reflected light and orange in transmitted lighht

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10
Q

Chemically how does a silane coupling agent work when bonding composite to ceramic?

A

Hydroxyl group on noe end of silicone molecul reacts with oxide on ceramic surface and C=C on the other end reacts with similar groups in composite

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11
Q

What is the function of silane in a composite restorative material?

A

Chem. bomds filler particles to resin atrix

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12
Q

What other questions would you ask him around his tobacco use and to ascertain whether he would be interested in quitting?

A

Ever tried quitting
Interested in quitting
How quickly in the morning do you light up
Interrested in quitting

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13
Q

. Give a definition of dependence.

A

A compulsive physiological and psychological need for a habit forming substance

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14
Q
  1. After you gathered your information on his smoking and quitting habits, your patient tells you that now is not the right time for him to quit due to personal circumstances. What should you do now?
A

OUtline advice given in patients recores and quesations asked and note to bring up in future

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15
Q
  1. What are the principles of the orthodontic management of non-eruption of upper central incisors?
A

Removal of any obstruction
Create a space and observe
If no eruption then expose and place gold chain for orthol dontic traction

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16
Q
  1. Describe TWO clinical ways to assess the antero-posterior skeletal relationship
  2. Describe TWO clinical ways to assess the vertical skeletal relationship

How should the patient’s head be positioned during these clinical assessments?

A

Palapte directlly the skeletal bases and simple visual asessment of relationsahip of soft tissues point A&B

Asess FMPA angle and look at the ratio of the UAFH:LAFH

frankfort plane should be parallel to floor

17
Q

ii) The posterior teeth on one side being wider than on the other

A

patient rotated in machine

18
Q
  1. You decide that some aspect of the response to these questions warrants further action. Who should you discuss this with?
A

Social services

19
Q
  1. List TWO advantages of extraction of first permanent molars of poor prognosis at this stage of development?
A

Render child caries free

Spontaneous space closure

20
Q
  1. List TWO disadvantages of extraction of first permanent molars of poor prognosis at this stage of development?
A

No molars for eating

Risk of GA

21
Q
  1. This gentleman could be described as being a person with a disability.

The definition of disability varies between the medical model and the social model. Briefly describe the difference between the two models in their definition of disability.

A

Social- Disability is caused by the way societys oragnised rather than by a persons impairment or difference

Medical- People are disabled by their impairments or diffrences, under the medical model these impairments or differences should be fixed or changed by medical Tx

22
Q
  1. The patient is unable to communicate with you verbally. Due to his cerebral palsy he is unable to communicate using sign language or pen and paper.

List TWO other augmentative and alternative communication methods which could be utilised for this gentleman.

A

Communication boards and eye tracking devices

23
Q
  1. List FOUR physical characteristics which are associated with Down’s Syndrome
A

Decreased muscle tone

Small head/ears/mouth

upward slanting eyes

Wide short hands with small fingers

24
Q
  1. To confirm a diagnosis of Down’s Syndrome a genetic test is undertaken. What genetic change is responsible for Down’s Syndrome?
A

Trismoney of chromosome 21

25
Q

List TWO medical aspects of Down’s Syndrome which may have resulted in his lack of capacity.

A

Learning diffivculties and alzheimers

26
Q

List TWO features associated with Down’s Syndrome that are likely to have contributed to his periodontal disease?

A

Impaired phagocytic function and cemostatic responses and impaired oral finction

27
Q
  1. List FOUR risk factors for mouth cancer
A

Smoking
chewing tobacco
alcohol
diet low in fruit and veg

28
Q
  1. List TWO preventative measures that should be implemented to reduce the risk of future dental disease for patients who have received radiotherapy to the head and neck.
A

Increased F toothpaste
Tooth mousse

29
Q
  1. Personal Protective Equipment (PPE) must be worn when carrying out manual washing of used instruments. Provide THREE examples of PPE and describe what EACH ITEM is protecting you from.
    (3 marks)
  2. What TWO methods are used for manual cleaning of instruments. For each of these give an example of an instrument cleaned in this way
    (2 mark
A

Gown- splashes
Marigolds- sharps
Full face visor- Aerosols

Submerssion- solid instrumets

Half submerssion- handpieces

30
Q

Why is it important to use de-mineralised water in the sterilizer?

A

deposition of minerals on machine and instruments

31
Q

ii) Name TWO key virulence factors used by Streptococcus mutans to influence enamel dissolution.

A

Glucand and ATPase

32
Q

List the FOUR key microbial stages of caries plaque formation.

A

Ahension
colonisation
materation
acid production

33
Q

Why is it difficult to determine causality from a specific bacteria in endodontic infection?

A

Sterile sampling procedures active/functional bacteria

past paper (6 decks)

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