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295676
GLASS IONOMER
Description
Restorative dentistry Mind Map on GLASS IONOMER, created by aahughes on 22/10/2013.
No tags specified
restorative dentistry
restorative dentistry
Mind Map by
aahughes
, updated more than 1 year ago
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Created by
aahughes
almost 11 years ago
60
1
0
Resource summary
GLASS IONOMER
Contains fluoroaluminosilicate (fluoride releasing)
Adheres directly to enamel and dentine
Cariostatic properties from fluoride release
Brittle and poor resistance to abrasion
ADVANTAGES OF USING GI
Tooth coloured and translucent
Bonds directly to enamel and dentine no adhesion system required
Easy to mix and manipulate
Fluoride release
Can be resin modified to increase strength
DISADVANTAGES OF USING GI
Wear resistance and compressive strength less than composite
poor aesthetics for ant teeth
Finite working time - sets fast
CLINICAL INDICATIONS FOR USING GI
Abrasion and erosion cavities
Deciduous teeth
Class III + IV
Temps
ART, root caries, luting cement
CLINICAL INDICATIONS FOR RMGI
Lining, base, sandwich technique
CONTRAINDICATIONS OF USING GI
Class I, Class II - wear resistance and strength probs
Class III, IV unless no alternative
TUNNEL PREPERATIONS
Material is syringed into cavity to ensure that the base is filled
Then comp on top
ADVANTAGES - fluoride, no packing required, direct bonding, depth can be cured
TEMP RESTORATION
Strength to withstand some time in the mouth
direct bond
tooth coloured and easy to use
biocampatible
ATRAUMATIC RESTORATIVE TREATMENT (ART)
Used when restorative tech are not available or appropriate
ie underdeveloped countries or tx of anxious patients
Caries is excuvated by hand and GI is placed
ROOTCARIES
non load bearing areas
Fluoride release may be beneficial
Direct bond to dentine
RMGI
Lining or used as a base
has strength to withstand perm material
Can be placed over other medicaments eg calcium hydroxide
material not fully set for 24 hrs - final polishing 24 hrs after
Sens to moisture - place varnish or vaseline
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