Exam Flashcards
1
Q
List some indications for an MCC
A
- If aesthetics are a concern
- Good patient compliance
- Good oral hygiene
- Root canal done
- Post and core done
2
Q
List some contra indications of an MCC
A
- Subgingival caries
- Short crown length
- No ferrule of 0.5-2mm
- Large pulp
- Bruxism
3
Q
List some indications for an FVC
A
- Aesthetics NOT a concern
- Bruxism
- lArge pulp
- Root canal done
- Post and core done
4
Q
List some contra indications of an FVC
A
- Subgingival caries
- Short crown length
- No ferrule of 0.5-2mm
5
Q
List the stages of clinical assessment for a patient we might place a crown on
A
- . Extra oral exam
- Intra oral exam
- Occlusion
- Dental chart
- BPE and sub gingival health
- Special test
- Differential Diagnosis
- patient preference
- Do you need to Reorganise occlusion ?
6
Q
Describe the loose criteria that determines if RCT has been a success
A
- Absence of pain swelling and other symptoms
- No associated sinus tract
- No loss of function of the tooth
- Radiogrpahic evidence of a normal PDL around the root
- A reduction in the size of the lesion
7
Q
Describe the loose criteria that determines if RCT has failed
A
- Pain, swelling and other symptoms
- Lesion remained the same size or only slightly demined
- Ainus tract
- Loss of function
8
Q
List the stages of placing a rubber dam
A
- Floss the contact points
- Select a clamp a nd thread a safely line
- Try clamp over tooth carefully
- Punch holes into the rubber sheet
- Clamp the most distal tooth
- Stretch rubber dam over and around the wings of the clasp
- Flosss down the mesially position hole and secure using a widget
- Apply dam Frame
- Place napkin/gauze between patient’s skin & dam
9
Q
When placing a rubber dam for an Endodontics procedure what else should you do
A
Use oraseal around the tooth
10
Q
Name the different clasps
A
C EW L K JW G PW
11
Q
What is another name for the c clasp
A
Buttetrfly claps
12
Q
What is a butterfly clasp used for
A
Incisors and canines
13
Q
What is an EW clasp used for
A
Incisors canines and premolars
IS wingless
14
Q
What is an L clasp used for
A
Large haw premolar
15
Q
What is a K clasp used for
A
Molars
16
Q
What is a JW clasp used for
A
Large molars with deep gingival fit
Is wingless
17
Q
What is a G clasp used for
A
Small third molars
Deciduous molars
Premolars and canines
18
Q
What is a PW clasp used for
A
Large molars
Is wingless
19
Q
What are the advantages of using a rubber dam
A
- Airway protection
- Crossi infection control
- Aseptic field
- Soft tissue protection
- Prevents contamination of bonding surfaces.
- Soft tissue retraction
20
Q
What are the disadvantages of using a rubber dam
A
- New range of skills to acquire
- LA might be needed
- Potentila for gingival trauma
- Shade taking compromised
- Potential for claustrophobia.
- Potential latex allergy.
- Increased treatment costs, time, materials and equipment required.
21
Q
How do we determine the working length using a radiograph
A
Working length is at the apical constriction, 0.5 – 2mm away from the radiographic apex
22
Q
When examine a patients occlusion what do you ask yourself
A
- What is the patients angles incisor relationship
- Does the patent have a stable ICP
- Does the patient have a cross bite
- Are there any interferences in ICP or lateral excursion
- What class do the patient’s incisors fall under?
23
Q
What can be some intra oral signs of adverse occlusion
A
- Cheek ridging
- Tongue scalloping
- Evidence of wear
- Fracture e
- mobility
- Drifting
- Overeruption
24
Q
What would you need to record if models of teeth would have fit together but you have now prepped a tooth making it unclear how they fit together
A
Blue mousse over top of the prep and getting patient to close together in ICP
25
If there is significant wear and no clear position of models what would you record
Full arch wax/ Blue mousse in RCP
26
If there are too many missing teeth and there is no stable ICP what would you record
Wax rims in edentulous spaces & blue mousse
27
What are the advantages of using alginate to take impressions
1. Ease of manipulation,
2. minimal equipment needed,
3. economical, rapid setting.
28
What are the disadvantages of using alginate to take impressions
1. Susceptible to dimensional change,
2. tears easily,
3. ls not as accurate as other materials.
29
When assessing an impression what are we looking for
1. All teeth present
2. Material is set and tray is sufficiently loaded
3. No air blows in impression
4. No voids, pulls or drags have affected margin details
5. No tears or rough surfaces at margin
6. No tooth contact with tray
7. Sufficient surface detail
8. check for functional depth
30
How do we disinfect and pack impressions
1. Rinse under tap with slow running water.
2. Disinfect with a proprietary disinfect or hypochlorite for 10 minutes.
3. Rinse again with running water.
4. Wrap in damp gauze for alginate.
5. Sealable bag.
31
What option do we have when replacing a tooth
1. Do nothin
2. Denture/ temperature denture
3. Bridge
4. Implant
5. Orthodontics
6. Transplantation
32
What are some adverse effects of doing nothin when thinking of replacing a tooth
1. Drifting
2. Over eruption
3. Loss of aesthetics
4. Loss of function
33
What are some adverse effects of placing a denture when thinking of replacing a tooth
1. Low compliance
2. Discomfort
3. Plaque retention
4. Not fixed
5. Bone loss
34
What are some adverse effects of making a bridge when thinking of replacing a tooth
1. Needs high motivation and oral hygiene
| 2. Bone loss
35
What are some adverse effects of placing an implant when thinking of replacing a tooth
1. Very invasive
2. Need to keep very clean
3. Rejection
36
What are some adverse effects of orthodontics when thinking of replacing a tooth
plaque retention
37
When looking at an abutment tooth what are we checking
1. Perio status
2. Cornoral tooth status
3. Endodontics status
38
Name the 3 ratings we give when assessing the quality of a radiograph
1. Grade 1- excellent
2. Grade 2- Diagnostically acceptable
3. Grade 3- Unacceptable
39
Describe a grade 1 radiograph
No errors of patient preparation, exposure, positioning or processing
40
Describe a grade 2 radiograph
Some errors of patient preparation, exposure, positioning or processing which do not detract from the diagnostic utility of xray
41
Describe a grade 3 radiograph
errors of patient preparation, exposure, positioning or processing which render the xray undiagnostic
42
List the 3 broad categories that can lead to radiographic error
1. patient preparation errors
2. Processing/ film handling errors
3. Problems with the radiographs
43
Talk though the stages of a radiographic report
1. Identify patient
2. Check film date
3. Right left orientation
4. Assess film quality
5. Any artefact which could be mistaken for pathology
6. Ascertain whether normal anatomical feature or variation of normal
7. Systematically check the radiograph for pathology
44
Name the different types of radiographs
1. Bitewings
2. Periapicals
3. Panoramics
45
Describe bitewings
They should show crowns of maxillary and mandibular teeth and superficial bone
46
What are bitewings used for
Caries diagnosis
47
When taking a special test as well as the tooth you are assessing which other tooth should you check
A contralateral and adjacent teeth
48
Give examples of special tests
1. Tendernes to percussion
2. Ethyl chloride
3. Electric pulp test
4. Tooth sleuth
5. Fibre optic transillumination
49
What do we use to assess a patients caries risk
1. Medical history
2. Anxiety
3. Diety
4. Family
5. Where they live
6. Orthodontic appliance
7. Education
50
Name the different types of tooth wear
Attrition
Abrasion
Erosion
51
What is attrition
Wear of the teeth due to tooth to tooth contact
52
How can we identify attrition
1. Incisal wear
2. Wear facets
3. What off cups
53
What is abrasion
1. Wear of teeth due to non tooth to tooth contact
54
How can we identify abrasion
Cervical wear/ wedge shaped cavities/ recession
55
What is erosion
Dissolution of tooth tissue due to acid attack NOT from bacteria
56
What an erosion be caused by
Intrisinc and extrinsic factors
57
How can we identify erosion
1. Loss of surface anatomy
2. Increased incisal translucency
3. Chipping of incisal edges
4. Palatal hollows
5. Areas where the enamel is absent
6. Expsore of the pulp
58
Why might we remove teeth
1. Hopeless prognosis
2. Tooth is liable to cause symptoms
3. Risk of infection to systemic sites
4. Mobility and lack of periodontal support
5. Loss of function
6. Orthodontics
7. Interferes with prosthesis
8. Traumatise mucosa
59
What are some advantages of extraction
1. Quick
2. Cheap
3. Immediate relief
4. Easy
5. Shortened dental arch
60
What are some advantages of Restoring over extraction
1. More conservative
2. Maintains bone level
3. Maintains aesthetics and function
4. Prevents drifting and over eruption
61
What are some disadvantages of extraction
1. May result in loss of the bone levels
2. Less conservative
3. Drifting and over eruption
4. Could be traumatic
62
What are some disadvantages of Restoring over extraction
1. Recurrent disease
2. Restorative escalator
3. May need many appointments
4. Exacerbate dentinal disease
5. Marginal leakage
6. Technique sensitive
63
When radiographically assessing the tooth what might make it difficult to extract
1. Bent roots
2. Close to nerve
3. Ankylosis or sclerosis
4. Close to antrum
5. Thin bone
6. Root filled teeth
7. Heavily restored teeth and impacted teeth
8. Fractured teeth
64
How do we check the tooth has been fully extracted
1. Check apices of teeth
2. Look in the socket
3. Check using a radiograph
65
How do we aid Haemostasis
1. Compress the socket to recover bone
2. Place gauze, tightly rolled over socket to absorb the blood
3. Get patient to bite down and hold
4. Give post op instruction
5. Confirm bleeding has stopped and throw gauze away
66
What can you do if the bleeding doesn't stop
Surgicel
67
What post op advice should we give the patient
1. Try not to rinse in the next 24 hours
2. Rinse with salt water
3. No alcohol AND smoking
4. Try not to touch the area too much with your tongue
5. No vigorous exercise
6. No hot drinks
