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IODC PP > JUNE 2016 > Flashcards

JUNE 2016 Flashcards

1
Q

Describe and give examples for other components of anxiety

A

• PHYSICAL:
- Increase HR, BP, Sweating

• COGNITIVE:
- Lack of control, intellectual

• BEHAVIOURAL:
- Tension, Fear, Insomnia

• EMOTIONAL:
- Crying, feeling, tension

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2
Q

4 Implications of anxiety - dentistry related

A
  • No Treatment
  • Delay in treatment
  • Leading to more restorative work
  • Poor oral health related QoL
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3
Q

4 Symptoms/Signs of dental abscess

A
  • Pain
  • Pressure
  • Red mucosa
  • Swelling
  • Pus drainage
  • Malaise & Lymphadenopathy
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4
Q

Difference between Lateral and Periapical abscess

A

PERIAPICAL:

  • Tooth Non-Vital
  • Acute TTP
  • Pus in tissues
  • Radiograph shows apical change and may show cavity near pulp

LATERAL PERIODONTAL ABSCESS:

  • Deep pocket
  • Vital pocket
  • Tooth may be extruded
  • Radiograph confirms bone loss
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5
Q

10 stages of placing a fissure sealant

A
  • Clean tooth with pumice
  • Dry tooth
  • Use saliva ejector/cotton wool rolls/dry guard
  • Acid etch using phosphoric acid 37%
  • Wash etch off after 15s
  • Change cotton wool and dry tooth again
  • Place sealant
  • Use probe to get rid of air bubbles and make sure it extends to all fissures especially buccal on molars
  • Light cure 30s
  • Check with probe
  • Check occlusion and adjust if necessary
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6
Q

Success rate in 4 years of FS

A
  • 60% success against caries

* 52% retention in 4 years

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7
Q

Evidence to support it and what type

A
  • Cochrane review - DBOH - Evidence type 1
  • Systematic review
  • RCT
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8
Q

Two ways to protect occlusal surface

A
  • Applying F varnish
  • Bite guard
  • Pre-formed metal crown
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9
Q

4 types of rein sealants

A
  • Helioseal - opaque
  • Heliobond - clear
  • Fluroshield
  • Ultraseal
  • Bis-GMA
  • RMGIC
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10
Q

Why composite may be preferred over GIC

A
  • Anterior teeth - class IV - aesthetics
  • Cuspal build up (high occlusal load)
  • Interim restorations
  • Definitive restoration after endo treatment
  • Temporary crown & repairing protemp
  • Direct/Indirect veneer
  • Adhere ortho bracket onto teeth
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11
Q

3 instruments to adjust and polish composite

A
  • Diamond burs - fine diamond and tc
  • Soflex discs
  • Greenies/brownies
  • White stones
  • Diamond polish paste
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12
Q

Uses of GIC

A
  • Sealing endo access cavity intervisit
  • Temporary restoaration
  • Fissure sealant in children
  • Permanent restoration in primary teeth
  • Luting agent - cement
  • Class V restoration due to moisture control
  • Erosion & abrasion lesions
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13
Q

Types of bonding systems

A

• Type 1:
etch + prime + bond (Allbond)

• Type 2:
etch + prime & bond (scotchbond 1)

• Type 3:
etch & prime + bond
(cleafill se)

• Type 4:
All in one (xeno iii)

phosphoric acid 37%

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14
Q

Composite to metal bonding

A
  • Silica coating
  • Tin-plating
  • Metal primer
  • Put silica coating ontop of metal
  • Put silane coupling agent ontop
  • Place unfilled resin
  • Then composite resin
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15
Q

3 materials used in ceramics

A
  • Feldspathic glasses
  • Leucite reinforced glass ceramics
  • Lithium disilicate glass ceramics
  • Zirconia
  • Alumina
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16
Q

Patient comes in with loose crown - after taking hx and exam how to manage pt.

A
  • Take silicone putty
  • Check prep (adequate reduction)
  • Check loose crown to see any sharp edges or margin problems
  • Provide temporary crown
17
Q

What reasons may have the crown fallen off?

A
  • Poor cementation technique
  • Poor preparation (underpreppared)
  • Heavy occlusion
  • Trauma
  • Wear and tear
18
Q

Temporary crowns for posterior teeth

A
  • Stainless steel
  • Aluminium
  • Bisacryl composite - protemp
  • Cold-cure acrylic (SNAP)
19
Q

Functions of a temporary crown

A
  • maintain aesthetics
  • better plaque control
  • protect preparation
  • identify any underprepared areas or undercuts
  • maintain occlusion
  • protect dentine & pulp
  • prevent drifting
20
Q

3 types of anterior crowns

A
  • PFM
  • High strength core substructure - all ceramic
  • Resin bonded crown
21
Q

Structure and dimension on aesthetic properties

A

PFM - Metal substructure makes it opaque but increases strength

  • 0.5 - 0.7mm palatal chamfer
  • 1.2 - 1.5mm buccal shoulder

High strength core substructure in all ceramic:
- good aesthetics and high strength but destructive prep and poor marginal fit:
• 1.2-1.5mm chamfer, occlusal 2.0

Resin bonded all ceramic crown:
- Good aesthetics and good marginal prep but has semi-translucent core. 0.5mm chamfer (most conservative)

22
Q

Dentine bonding agent precautions

A
  • Dessiccation
  • Irrigation of pulp
  • Allegies
  • Moisture control
  • Light curing
  • Etching beforehand
23
Q

Effects of dummy sucking

A
  • Reduced overbite
  • anterior open bite
  • proclined upper incisors
  • retroclined lower incisors
24
Q

Advice to mother in longterm

A
  • If habit not stopped by 8-9 then can have effect on permanent dentition
25
Q

How is digit sucking different to dummy sucking

A
  • unilateral crossbite
  • reduced intercanine width
  • flared upper centrals
  • lingually inclined lowers
  • narrowed upper arch if continued with permanent teeth
26
Q

Non-ortho ways to stop digit sucking

A
  • Wolly gloves

- Foul tasting varnishes

27
Q

Summarise evidence on sucking

A

Ben son et al - no evidence to suggest affect on molar relationship

28
Q

Problems with treating kennedy class 1

A
  • Kennedy class 1 requires a bilateral free end saddle.
  • Support from free end saddle and most distal tooth
  • Use occlusal rest on abutment teeth
  • Denture teeth can be pulled posteriorly and potentially damaging the last tooth
  • Protect teeth by bracing
  • Improve by using retentive clasp (reciprocation)
  • No posterior teeth to saddle so denture can tip in occlusal direction, pivoting on the last tooth which can displace so consider indirect retention
  • Connect components using connects
  • Use survey to highlight undercuts
29
Q

Adv/Disadv of CoCr over acrylic

A
  • CoCr longer lasting
  • CoCr less aesthetic
  • Extra stage in making CoCr
  • CoCr more expensive
  • Acrylic good for immediate/temporary whilst sockets heal
  • CoCr thinner
  • CoCr more durable

IODC PP (6 decks)

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