Udaipur Conference
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Soft liners
Presented By:Kunal Mehta
Introduction • • •
Soft liners are a medical grade soft polymer material applied to the tissue fitting surface of your hard denture base. Soft liners behave like a shock absorbing cushion when you are chewing . Soft liners can be applied to new dentures,old dentures,reline and rebase situations.
Indications •
•
• •
To reduce problems arising from the effects of age changes in the denture bearing tissues. It improves both masticatory efficiency and oral comfort for patients presenting a reduced thickness of the oral mucoperisteum. Radical surgical procedures, which result in maxillary defects, are usually followed by treatment with an obturator. For retention and peripheral sealing purposes, obturators may have to engage deep undercuts. Such undercut areas may be engaged by using a soft material. Soft liners are used for relining immediate or transitional dentures during the healing periods after Tooth extraction and implant surgery.it is used to minimize direct preassure on the tissues.
Disadvantage • • • •
Contamination Adjustments Maintanence Strength
Advantage • • • •
Conformity Comfort Chewing Stability
Classification • Acrylic soft liners • Silicon soft liners include heat cured liners and valcanised at room temprature. • Polyphosphoziene elastomeric system. • Gentleman developed methyl methyl meth acrelate providing good adhesion to dentures.
Light cure soft liner • • • •
Is a unique chair side reline material. Cures in a minute It is a microfilled composite. Light liner is a dual cure,self bonding material.
Advantages of light liner • • • •
Non shrinkable Resist staining Colour stable Chemically bonding to it will prevent flaking
Technique • Denture preparation • Remove the denture from the patients mouth • Dye the tissue side of the denture • Reline Prep will dye a uniform layer of old acrylic. • Grind 1-2 mm from the entire palatal surface with carbide bur to remove plaque and expose fresh acrylic base.
• Use Masque on teeth and labial surface to prevent sticking of composite.
Technique • Mixing Composite
Presented By:Kunal Mehta
Introduction • • •
Soft liners are a medical grade soft polymer material applied to the tissue fitting surface of your hard denture base. Soft liners behave like a shock absorbing cushion when you are chewing . Soft liners can be applied to new dentures,old dentures,reline and rebase situations.
Indications •
•
• •
To reduce problems arising from the effects of age changes in the denture bearing tissues. It improves both masticatory efficiency and oral comfort for patients presenting a reduced thickness of the oral mucoperisteum. Radical surgical procedures, which result in maxillary defects, are usually followed by treatment with an obturator. For retention and peripheral sealing purposes, obturators may have to engage deep undercuts. Such undercut areas may be engaged by using a soft material. Soft liners are used for relining immediate or transitional dentures during the healing periods after Tooth extraction and implant surgery.it is used to minimize direct preassure on the tissues.
Disadvantage • • • •
Contamination Adjustments Maintanence Strength
Advantage • • • •
Conformity Comfort Chewing Stability
Classification • Acrylic soft liners • Silicon soft liners include heat cured liners and valcanised at room temprature. • Polyphosphoziene elastomeric system. • Gentleman developed methyl methyl meth acrelate providing good adhesion to dentures.
Light cure soft liner • • • •
Is a unique chair side reline material. Cures in a minute It is a microfilled composite. Light liner is a dual cure,self bonding material.
Advantages of light liner • • • •
Non shrinkable Resist staining Colour stable Chemically bonding to it will prevent flaking
Technique • Denture preparation • Remove the denture from the patients mouth • Dye the tissue side of the denture • Reline Prep will dye a uniform layer of old acrylic. • Grind 1-2 mm from the entire palatal surface with carbide bur to remove plaque and expose fresh acrylic base.
• Use Masque on teeth and labial surface to prevent sticking of composite.
Technique • Mixing Composite
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