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CD2 Flashcards

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1
Q

Importance of trial denture visits

A

allowing patient to view tooth arrangement and make

changes if needed

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2
Q

Patient complains something is wrong with my dentures. I don’t know what it is. The most likely reason could be

  • Occlusion
  • Esthetics
  • Retention
A
  • Occlusion
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3
Q

During insertion appointment

  • Insert U/L w/o occluding
  • 1st CR verification
  • initially adjust both dentures separately
A
  • initially adjust both dentures separately
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4
Q

CR recording in trial denture is by ?

A
  • I/O wax record (Dead soft wax similar to Aluwax) ,

Injectable bite registration material

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5
Q 
Not an alterable factor
• H overlap of Ant teeth
• V overlap of Ant teeth
• CR
• Cusp height of Post teeth
• Curve of plane
A

CR

others are alterable

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6
Q

(?) All the things to be accomplished before a clinical remount, except:

  • lab remount,
  • mounting max cast with facebow preservation
  • mounting mand cast with CR
A

mounting mand cast with CR

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7
Q

To accomodate teeth in record base, the preferred sequence would be-

A

1) grind the lower record base
2) create a window in record base
3) grind the tooth

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8
Q

Heel interference is seen in lab during lab remount . Treatment?

A
  • reduce mand distal area, not maxillary as perforation in maxillary denture can cause loss of suction & cohesion
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9
Q

CO ≠ CR at intermaxillary records at trial denture appointment. What will you do next?

a. remount max and mand cast at new CR
b. remount mand with new CR
c. check VDO and occlusion
d. Check for movement of record base, remount mand cast with new CR

A

d.Check for movement of record base, remount mand cast with new CR

(Remount and Re-set teeth at try-in)

NOTE: If monoplane- occl adjustments may be
done intraorally and then new CR record
for remount

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10
Q

Patient was wearing Interim dentures for 3 weeks. The U/L dentures become loose. How will you treat?

A
  • soft chairside reline both dentures, with the more unstable denture first against the relatively stable denture. Recall in 1 month.
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11
Q

A patient fractured a new denture with exceptional occlusion, VDO and esthetics. Treatment?

A
  • repair first and then rebase (definitive)
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12
Q

Reline and rebase impressions are done in function, after occlusion is checked.T/F

A

T

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13
Q

Surgical stent is used for ? (interim fabrication)

A

1.used to recontour soft and hard tissues during extraction visit. (Use guide to check for
blanching)
2.represents the intaglio surface

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14
Q

Not a contraindication for immediate dentures

  • Uncontrolled hypertensive patient
  • controlled diabetes
  • blood coagulation disorders, difficult wound healing
  • radiation in the head and neck area
A

controlled diabetes

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15
Q

4 years old denture which is loose but has good VDO & occlusion. Treatment

A
  • reline with pressure cure (hard?) acrylic

~1-3yrs lifespan

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16
Q

True about tissue conditioners if left for too long

A

1.will cause mechanical injury to
tissue
2. Will cause infection due to colonization (2 correct answers)

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17
Q

Tooth selection . Best choice for a 45 years old female patient with upper natural dentition-

A
  • IPN 30 degrees
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18
Q

Severely resorbed mand ridge for an overlay denture. Upper complete denture in a bruxer. Teeth selection

A
  • IPN U-12 degrees, L-0 degrees
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19
Q

What will you modify to enhance balance in a Class III CU/CL denture in lateral excursions?

  • Curve of wilson
  • Curve of spee,
  • Height of cusps,
  • all of the above
A

Curve of wilson

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20
Q

Advantage of staging extractions in Interim/Immediate dentures is -

A
  1. allow healing time between appointments

2. better predictability in terms of VDO (2 correct answers)

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21
Q

Patient complains of muscle fatigue after a recent rebase. Most probable cause -

A

Increased VDO

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22
Q

Generalized redness on the ridge. Least probable cause

  • Poor denture base fit,
  • Increased VDO,
  • Denture acrylic allergy,
  • Patient did not remove denture
A

-Denture acrylic allergy

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23
Q

Burning sensation in anterior palate. Least probable cause

a. overextension of labial flange
b. anterior teeth too palatally placed
c. lower ant touching the palate
d. pressure on incisive papilla

Study These Flashcards
A

a.overextension of labial flange

24
Q

True about pick up impression

Study These Flashcards
A
  • allows you to take impression with the prosthesis in

mouth

25
Ridge lapping
Ridge lapping means when the tooth is too tall, you reduce from the lingual at the same curve as the ridge to compensate the thin base and window made.
26
Least likely cause for difficulty in swallowing
Palatal portion too thick, ↓ Space of Donders
27
Most common cause for difficulty in swallowing:
Maxillary or mandibular | posterior too long or too thick
28
4 laws of denture occlusion
- No anterior contact in CR, - No anterior guidance in protrusion, - No canine guidance in lateral excursion , - CO=CR
29
Best to worst CD Occlusion scheme
- Bilateral balance, Group function , canine guidance
30
Objectives of clinical remount - Maintains VDO, - occlusal contacts - all of the above
all of the above
31
Purpose of lab remount
correcting processing errors to restore VDO
32
During lab remount, The technician noticed that there was not contact on right side in protrusion. The VDO was okay. Choose the correct answers (2 correct options )
- Check for debris between the cast and mounting , -Send the articulator to the dentist to further evaluate and find the cause
33
Disadvantage of gothic arch
lower lingual plate can cause tongue interference in | registering CR
34
Gothic arch is used to ensure- a. CR b. VDO c. Tooth position d. Both a and b
d. Both a and b (a. CR b. VDO )
35
Shape of gothic arch tracing -
arrow
36
Least probable cause for a single sore spot a. Occlusion b. Acrylic bleb c. Denture base d. VDO
d.VDO
37
``` In case of a gagging patient,what armamentarium would not be required to determine the cause- a.Articulating paper b.Post dam c.Sorenson’s paste d.Indelible pencil e.Pressure on maxillary anteriors ```
a.Articulating paper
38
Least likely cause in patient experiencing difficulty in swallowing - a. ↑ VDO b. Overextended DL flange of lower c. Thick palatal acrylic d. Teeth set edge to edge
d.Teeth set edge to edge
39
Most probable cause for cheek biting with denture
- teeth set edge to edge
40
Patient has severely resorbed ridges. What modifications can you do to prevent anterior guidance a. ↑Horizontal overlap b.↓Vertical overlap c.Give curves on monoplane teeth d. ↑Cuspal height and set teeth on curves
Answer-a,b and c
41
(?) 85 years old patient with atrophic ridges complains of numbness and tingling. What is the first step for a long term definitive treatment ? a.tissue conditioners continuously b.ridge augmentation c. remove prosthesis indefinitely d. Hard reline
d. Hard reline
42
During clinical remount for a monoplane setup, there’s interference in posterior. VDO okay. What are the steps for occlusal equilibration ? a. flatten occlusal plane b. lower post teeth second to 2⁄3 RMP c. If excessive tooth reduction in D is required, grind C & D both ,not lower than 1⁄2 RMP d. All of above e. a and b
d. All a. flatten occlusal plane b. lower post teeth second to 2⁄3 RMP c. If excessive tooth reduction in D is required, grind C & D both ,not lower than 1⁄2 RMP
43
Working interference in anatomic setup. To correct, reduce (2 correct options)
BULL | - Buccal of upper, Lingual of lower
44
ML cusp of right maxillary 1st molar makes contact in CR but not in eccentric. Treatment
- correct/grind the fossa of opposing right mand 1st molar
45
2 correct statements- 1)In anatomic setup,the palatal cusps of maxillary molars are inline with the mandibular crest of ridge line 2) The anatomic setup is lingualized to reduce/prevent lateral shearing forces
2 correct statements- 1)In anatomic setup,the palatal cusps of maxillary molars are inline with the mandibular crest of ridge line 2) The anatomic setup is lingualized to reduce/prevent lateral shearing forces
46
In monoplane setup, the mandibular posterior teeth are centered to the ridge.t/f
t
47
``` Consequences of wax on teeth during flasking - a.Tooth fallout and movement below occlusal plane b.Acrylic on teeth c.Tooth can loosen during boil out d. All of above ```
d
48
Vertical can be held in reline by a. Metal land of flask b. Jig c. Articulator d. Intraoral relation of teeth
a,b,c
49
In most clinical situations,the high smile line is used to determine the CEJ and the ht. Of maxillary central incisors. Fricatives are used to determine the position of incisal edges of mand incisors.
- First statement is true,second is false
50
``` Least acceptable to modify if you get incisal guidance . a.Incisal edge of maxillary incisor b.Incisal edge of mandibular incisor c.Labial of mand incisor d.Lingual of max incisor ```
a.Incisal edge of maxillary incisor
51
Anterior contact is acceptable in CR as long as there is simultaneous bilateral posterior contact . Anterior contact in protrusion is acceptable as long as there is bilateral posterior contact.
First statement is false, second is true
52
This material, white in colour ,is used in static manner to check the intaglio.
- PIP
53
New denture,patient experiences clicking . Most probable cause-
↑VDO
54
The intaglio surface of a CD should be well-polished. The cameo surface(polished surface ) should be convex overall. t/f
- Both statements are false
55
The fit of the intaglio surface is different before clinical remount and after insertion. t/f
False
56
Clinical remount in anatomic setup is not required if you get acceptable results in lab remount. - t/f
f

Remo (6 decks)

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