Cementation Of Indirect Restorations
Write on the uses of restorative resins.
Answer:
Following are the restorative resins, i.e.
- Unfiled resin (no filers), i.e. acrylic resin
- Filled resin, i.e. composites
- Preventive resin, i.e. pit and fissure sealants.
Uses of Unfiled Resin, i.e. Acrylic Resin:
- For making temporary crowns and FPDs.
- For denture repair, relining, and rebates.
- For making removable orthodontic appliances.
- For the construction of special trays.
- For fabrication of temporary and permanent denture bases.
- For fabricating inlay and post-core patterns.
Uses of Filled Resin, i.e. Composite:
As direct and indirect restorative material for both anterior and posterior teeth.
- To Venner the metal crowns and fixed partial dentures
- As a component of fiber-reinforced composites used in fier splints, FRC posts, etc.
- Chemical cures as well as dual cure resins are used as core build-up materials in post-endodontic restorations.
- For direct splinting of mobile teeth with or without glass fiber or metal wire.
- As luting agents and root canal sealers.
- Filled and unfiled composite resins are used as pit and fissure sealants.
- In bonding orthodontic brackets during orthodontic treatment.
- As aesthetic lamination.
- For repair of chipped porcelain restorations.
Uses of Preventive Resin, i.e. Pit and Fissure Sealants:
In newly erupted posterior teeth with deep pits and fissures should be sealed soon after eruption.
- An incipient caries lesion on pit and fisure area.
- In deep lingual pits
- In mentally or physically challenged individuals.
- In children living in non-fluoridated areas.
- Patients with xerostomia
- The margin of Class I amalgam or composite can be sealed with sealant to improve marginal integrity.
- In cases where the contralateral tooth surface becomes carious or previously restored.
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