CSIV Final Flashcards
(95 cards)
1
Q
What are the 5 images in the basic portfolio assignment?
A
- Frontal
- Maxillary occlusal
- Mandibular occlusal
- Right Lateral/Buccal
- Left Lateral/Buccal
2
Q
What are the 5 images of the caries portfolio assignment?
A
- Preop w/o dam
- Preop w/ dam
- Prep incomplete w/ visible caries
- Prep complete w/o caries
- Post op with resto complete
3
Q
What is the big camera IMS has?
A
Canon EOS digital rebel w/ Macro lens and ring lite
4
Q
What are the 3 intraoral mirrors from dispensing for photography?
A
- Occlusal
- Lateral
- Buccal
5
Q
What is an important thing to remember for safety with camera?
A
Put the strap around your neck
6
Q
What do you not want to see in intraoral photographs?
A
- Pooled saliva
- Fog
- Retractors
- Blurred images
- People in the background
- Fingers
7
Q
What are 2 ways to keep mirror from fogging in mouth?
A
- Blow w/ air syringe
2. Soak in hot water
8
Q
What are some methods to manage a patient’s caries risk?
A
- OHI
- Nutrition counseling
- Three (3) month recall
- Consult with MD to change any xerostomic drugs
- Fluoride therapy
9
Q
What are some causes of extrinsic stains?
A
- Organic compounds in food and drink that get into the pellicle
- Cationic antiseptics (Chlorhexidine)
- Metal salts (iron)
10
Q
What are 2 factors affecting bleacing tray results?
A
- Concentration of bleach
2. How long bleach is present (time and concentration dependent)
11
Q
When making the cast to be used for bleaching tray fabrication, how far from gingival margin should you trim the base?
A
One quarter of an inch
12
Q
What are the dimensional parameters for the reservoirs on the bleaching trays?
A
Within 1 mm of the gingival margin, incisal edge, and line angles, respectively. Do NOT block out teeth that have crowns.
13
Q
How far from the top platform should the bleaching tray material sag before placing it over the cast to make the suck down?
A
Three quarters of an inch to one inch
14
Q
What should you do before you turn off the vacuum and the remove the model?
A
Cool the tray material with a wet paper towel
15
Q
How should the bleaching tray be trimmed?
A
Scalloped on the facial side and a straight line on the lingual without scalloping into the interproximals
16
Q
Should trimmed trays be placed back on models?
A
No. Place in tray case so they don’t lie on each other and distort
17
Q
10% carbamide peroxide is equivalent to what percentage Hydrogen peroxide?
A
3% hydrogen peroxide
18
Q
What is the benefit of 10% carbamide peroxide having 7% Urea in it?
A
Raises pH, reduces plaque formation, neutralizes bacterial acids
19
Q
For tetracycline stains, when does most change with bleaching occur and how long should the course be continued?
A
Within the 1st 1-2 months, treat for 6-12 months
20
Q
In-office bleached teeth regress by what percentage over 1 year?
A
41%
21
Q
What is the name of a viscous light cured, methacrylate based, syringe delivered blue pigmented utility resin designed for laboratory use?
A
Ultradent LC Block out resin
22
Q
How much LC block out should be applied for reservoirs and for how long should it be cured?
A
0.5 mm, cure 20-40 sec
23
Q
Bleaching is ____ and ___ dependent
A
Time and concentration dependent
24
Q
What are 4 things efficacy and predictability of bleaching depend on?
A
- Proper case selection
- Tray quality
- Product quality
- Patient compliance
25
What can be added to bleaching trays for other therapeutic effects?
1. 3-5% Potassium nitrate
2. Sodium Fl
3. ACP
4. Xylitol
26
There is another IMS camera that we did not use for the intraoral photo assignment. I doubt we need to know it but what is the name anyway?
Photomed Canon G9 Digital
27
What are 3 categories of cracks in teeth?
1. Craze lines
2. Split teeth
3. Cracked/Fractured teeth
28
Which type of tooth crack is contained in enamel, either natural or due to trauma, usually asymptomatic, require no treatment unless cosmetic? Will NOT Transilluminate
Craze lines
29
What type of tooth crack fractured from one surface to another surface, and is restorable only if split occurs above the osseous level?
Split tooth
30
What is the prognosis for a split tooth fractured cusp above crestal bone?
Favorable
31
What is the worst prognosis for a split tooth fractured below crestal bone?
Unfavorable (Hopeless)
32
Which type of tooth crack has a full range of symptoms, the crack extends into dentin, WILL Transilluminate, and is difficult to diagnose?
Fractures/cracks
33
The majority fractures/cracks are horizontal or vertical?
Vertical
34
Vertical fracture is most common in which tooth?
Mand 2 Mol> Max 1 Mol> Max PM
35
What are 3 causes of fractures/cracks?
1. Parafunctional habits
2. Trauma
3. Old restorations (Wedging effect)
36
What are 8 diagnostic tests for fractures/cracks?
1. Percussion
2. Bite and release
3. Transillumination
4. Dyes
5. Cold and EPT
6. Palpation
7. Perio probing
8. Eval of gingiva
37
What probing depth will you get along a fracture?
A deep one
38
Will a M-D crack show radiographically?
No, only bone damage would show
39
What characteristic bony lesion seen around a vertical root fracture on PA?
J-shaped lesion
40
If a cracked tooth has reversible pulpitis and is crowned, what percentage will develop irreversible pulptitis in 6 months?
20%, (in other words, 80% will not develop irreversible pulpitis)
41
What is the diagnosis of a tooth is due to an occlusal fracture extending through the marginal ridge and is seen in teeth without deep caries, deep restorations, or history of trauma? The tooth will have a necrotic pulp and poor prognosis.
Fracture necrosis
42
What are 4 practice models?
1. Commercial
2. Guild
3. Agent
4. Service
43
What is the practice model with products and service to sell, competitive, quality and excellence, desire little public regulation?
Commercial
44
What is the dental profession tradition of perpetuation exclusive domain of knowledge and skills, treatment decisions are the dentist’s, obligated to meet society’s needs, desire minimal public regulation because the profession automatically looks after the good of society)?
Guild
45
What is the practice model in which the dentist has special skills and knowledge for hire, primary obligation is the patient’s goals, the patient has the last word, little obligation to 3rd party, dentist is an independent operator?
Agent
46
What is the practice model in which the dentist serves the public regardless of personal and familial needs, views the opportunity to obtain special skills and knowledge as a privilege, views public health and welfare as a priority, encourages public regulation, and believes his or her profession belongs to society?
Service
47
What are the 4 house patient classifications?
1. Philosophical
2. Exacting
3. Indifferent
4. Hysterical
48
Which type of patient accepts the dentist’s judgement without question, pays attention and follows instructions, and has the best prognosis (80-85%)?
Philosophical
49
Which type of patient is is methodical, precise, and demanding, has lots of dental questions, each step is explained in detail, excellent prognosis if intelligent and understanding?
Exacting
50
Which patient type has low motivation and desire for dental care, little appreciation for dentist’s efforts, and will give up easy if problems are encountered?
Indifferent
51
Which patient type is emotionally unstable, blaming the world for the present condition, is never satisfied, and is always complaining?
Hysterical
52
Why use consepsis?
Disinfect and prevent degradation of hybrid layer by matrix metalloproteinases (MMPs)
53
What is done prior to applying consepsis?
Acid etch enamel and dentin for 15 sec, rinse 15 sec, and air dry leaving slightly damp
54
For how long should you gently agitate consepsis?
60 sec, do not rinse off
55
How do you get excess consepsis out of the prep?
Kerr applicator, gentle suction and light air, but do not dessicate
56
For how long should you apply optibond with a light brushing motion?
15 sec, do it twice air thinning between increments
57
Why is air thinning of optibond solo plus beneficial?
Doing so removes solvents causing less water to be absorbed and allowing better bond
58
What should you do before you visible light cure the bond?
Wipe up excess with Kerr applicator
59
For how long should you visible light cure the bond?
20 sec
60
The first increment in the bottom of the box and on prep floor should be how thick?
Less than 1mm (slides say 1/2 mm)
61
How should you build up composite?
2 mm increments in B-L increments diagonalized apically-occlusally
62
For how long should you visible light cure each increment of composite?
40 sec
63
What is the term for free flowing or semi-liquid human blood or other potentially infectious materials, contaminated items that would release blood or other potentially infectious materials in a liquid or semi-liquid state if compressed; and items that are caked with dried blood or other potentially infectious materials and are capable of releasing these materials during handling?
Biohazardous/regulated waste
64
Blood and/or saliva tinged items are/are not biohazardous waste?
Are NOT biohazardous
65
True or false: extracted teeth with amalgam are considered regulated waste.
True. Put them in a container with a biohazard sticker.
66
Biohazardous waste is placed in what containers?
Red biohazard containers
67
Where must needles, blades, sharps, and used glass anesthetics carpules be disposed of?
A hard-walled puncture proof container as close to point of use as possible
68
What are 2 ways to recap a needle?
1. Engineering device
| 2. One handed scoop
69
Amalgam is put in what container?
Marked containers for Amalgam scrap recycling
70
How does water contaminate the bond surface?
dilutes acid etchants, bonding agent and repels CR (hydro phobic).
71
How does saliva/blood contaminate the bond surface?
Glyco Proteins w/ Carboxylic acids bind Calcium ions
72
How does affected dentin contaminate the bond surface?
Denature collagen–weak /impenetrable hybrid layer.
73
Can oil/water in air line used for drying contaminate the bond surface?
Yes
74
If polishing agents, prophy paste , or flour of pumice not washed off, will they contaminate the bond surface?
Yes
75
If you fall to rinse off the glass filler in phosphoric gel will it contaminate the bond surface?
Yes
76
Can air bubbles from brushes contaminate the bond surface?
Yes
77
What is the C factor?
The bonded area of the prep divided by the unbonded area
78
As the C factor increases, what happens to the bond stress?
Bond stress increases as the C value increases
79
True or false: a thick dentin bond layer pool in prep appears radiopaque and may resemble decay on a radiograph.
True
80
What effect does chlorhexadine (CHX) have on the long term bond strength of a composite restoration?
Increases the lifetime of the bond strength (without CHX, the bond strength dramatically decreases after 1 year)
81
True or False: Tooth Conditioner for Fuji 2LC is Phosphoric Acid
False
82
What does a phosphoric acid etch of dentin produce?
A 5 micron hybrid layer (and also removes calcium when thoroughly rinsed)
83
How thick is the hybrid gel layer for Fuji 2 LC?
Less than 1 micron
84
True or false: 3 % AlCl3 Leaves calcium behind with aluminum ions to ionic cross link acrylic acid gel that does not wash off when rinsing after conditioning
True
85
What are the steps for applying caulk tray resin?
1. Apply thin layer on inside and near edges of outside of the tray
2. Let air dry at least 10 minutes but not more than 30 minutes!
3. If more than 30 minutes reapply thin layer and let dry again >10 but < 30minutes
86
What are some defining characteristics of bruxism?
1. Involuntary clenching in eccentric movements
2. Non-functioning grinding or clenching
3. Associated with habit, emotional stress, anxiety, fear, or fatigue
87
What is the definition of parafunction?
Mandibular movements outside or beyond normal functions
88
In what year was the term "LaBruxumaine" first used?
1927, by Maire and Pietkiewicz
89
In 1937, who first used the term "bruxism" and related it to a tooth problem that might be successfully treated by psychotherapy?
Frohman
90
What are four etiologies for bruxism?
1. Occlusal (mechanical)
2. An exaggerated response to stress
3. Endogenous systemic process
4. Centrally-mediated activity
91
What percentage of children from ages 2-5 have bruxism?
78%
92
What percentage of the elderly have bruxism?
Less than 3% (decreases with an increase in age)
93
What are some signs and symptoms of bruxism?
1. Fractured molar, amalgam, incisal edge
2. Loose tooth
3. Hypertrophy of masticatory muscles
4. Tooth wear
94
What are the major differences with nocturnal and diurnal bruxism?
Diurnal is under conscious control. Nocturnal usually related with emotional stress or state.
95
What are five ways to manage bruxism?
1. Orthotic
2. Biofeedback
3. Counseling
4. Change sleeping position
5. Oral rehabilitation (restore VDO, Crowns and Bridges, Orthodontics, Occlusal adjustment
