What is the purpose of a dental liner?

Asked By: Habibou Lull | Last Updated: 19th June, 2020
Category: medical health dental health
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A dental liner is a material that is usually placed in a thin layer over exposed dentine within a cavity preparation. Its functions are dentinal sealing, pulpal protection, thermal insulation and stimulation of the formation of irregular secondary (tertiary) dentine.

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Correspondingly, what is the function of a dental liner?

thin layer of material placed at the deepest portion of the dental preparation to provide plural protection or dentinal regeneration. the thin layer protects the plural tissue from irritation caused physical, mechanical, chemical and biologic elements.

Beside above, why is Dycal used? Dycal® Calcium Hydroxide Liner is a two-component, rigid-setting, self-curing material designed for use in direct and indirect pulp capping and as a protective liner under dental adhesives, varnishes, filling materials, cements, and other base materials. Application to exposed, vital pulp tissue (direct pulp capping).

In this regard, why would a dentist place a liner?

Dental cavity liners have historically been used to protect the pulp from the toxic effects of some dental restorative materials and to prevent the pain of thermal conductivity by placing an insulating layer between restorative material and the remaining tooth structure.

What is the difference between liner and base?

Basic jist is that both are pulp protecting agents ,liners provide protection against chemical irritants ,while Bases are of significant thickness so provide protection against chemical ,mechanical and thermal irritants .

36 Related Question Answers Found

Where is a dental liner placed?

A dental liner is a material that is usually placed in a thin layer over exposed dentine within a cavity preparation. Its functions are dentinal sealing, pulpal protection, thermal insulation and stimulation of the formation of irregular secondary (tertiary) dentine.

What is cavity liner?

LINERS. A liner is defined as a material that is applied in a thin layer, usually 0.5 mm thick, to seal the dentin on the floor and walls of a cavity from the influx of bacteria or irritants from restorative materials and procedures.

When should desensitizer be placed?

Place GLUMA Desensitizer on the dentine for 30 – 60 sec. Then it needs to be air-dried until the gloss of the liquid disappears. Tip: In case of a total etch treatment of the entire cavity, GLUMA Desensitizer should be applied after the etching.

What are the three unique qualities of calcium hydroxide?

What are the three unique qualities of calcium hydroxide? It protects the pulp from chemical irritation through its sealing abilities. It stimulates the production of reparative or secondary dentin. It is compatible with all types of restorative materials.

What is restorative and esthetic dentistry often referred to as?


Match. What is restorative and esthetic dentistry often referred to as? Operative Dentistry.

What does an insulating base provide for the restoration of a tooth?

What does the insulating base provide for the restoration of a tooth? its placed in a deep cavity preparation to protect the tooth from thermal shock. It occurs when sudden temperature changes occur.

What can be used under all types of restorative materials?

Terms in this set (23)
  • calcium hydroxide. cavity liner that is compatible with all type of restorative material.
  • varnish. placed after liner, only used under almagam filling.
  • dentin sealer. designed to seal the dentin tubules,can be used under all types of filling.
  • dental bases.
  • alloy.
  • force.
  • stress.
  • strain.

What variable affects the addition or loss of water in a dental cement?

What variable affects the addition or loss of water in a dental cement? Humidity affects the addition or loss of water in a material.

What is another name for a cavity liner?

Brand names of Cavity Liners. Dycal /preline.

What is Vitrebond?


Vitrebond™ is a light-cured, resin-modified glass ionomer (RMGI) liner/base material. It is recommended for use as a liner or base under composite, amalgam, metal and ceramic restorations. It is not indicated for direct pulp capping.

When should I use Vitrebond?

It is recommend for use as a liner or base under composite, amalgam, metal and ceramic restorations. Vitrebond Liner/Base is not indicated for direct pulp capping. If a pulp exposure occurs, cover the exposure with a calcium hydroxide material.

What are dental bases?

Bases can be considered as restorative substitutes for the dentin that was removed by caries and/or the cavity preparation. They act as a barrier against chemical irritation, provide thermal insulation, and can resist the condensation forces on a tooth when placing a restoration.

Can Dycal be used under composite?

When we transitioned to composite products like Dycal(Calcium Hydroxide) and Copalite disappeared. TheraCal is a light-cured, resin-modified calcium silicate filled base/liner and can be used under both direct and indirect restorations.

How do you use Vitrebond?

Apply the mixed liner/base to the dentin surfaces of the prepared cavity in a thin layer (1/2mm or less) using a ball applicator or other suitable instrument. The Vitrebond liner/base has a minimum working time of 2 minutes 40 seconds at room temperature.

What is a dental wedge used for?


Use of a wedge with the matrix band serves two purposes: Helps to compress the matrix band against the tooth structure to create a tighter seal, preventing gingival overhang.

What is calcium hydroxide liner?

Calcium Hydroxide Cavity Liners
Calcium hydroxide cements are used for lining specific areas of deep cavities or for direct pulp capping. A light-cured calcium hydroxide liner consists of calcium hydroxide and barium sulfate dispersed in a urethane dimethacrylate resin.

Is Dycal calcium hydroxide?

Dycal is a calcium hydroxide rigid-setting material for direct and indirect pulp capping, and a protective liner under dental filling materials, cements and other base materials.