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Incremental techniques in direct composite restoration.

Veeramachaneni Chandrasekhar1, Laharika Rudrapati1, Vijetha Badami1

  • 1Department of Conservative Dentistry and Endodontics, Mamata Dental College, Khammam, Telangana, India.

Journal of Conservative Dentistry : JCD
|February 13, 2018
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Dental composite restorations suffer from polymerization shrinkage, a common issue for dentists. This review explores incremental placement techniques to reduce shrinkage stress and improve restoration longevity.

Keywords:
Compositesincremental techniqueslayering techniquespolymerization shrinkage

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Area of Science:

  • Dental Materials Science
  • Restorative Dentistry

Background:

  • Polymerization shrinkage is a significant challenge in dental restorative procedures using resin-based composites.
  • This phenomenon can lead to marginal gaps, secondary caries, and post-operative sensitivity, compromising restoration integrity.

Purpose of the Study:

  • To review and analyze various incremental techniques designed to mitigate polymerization shrinkage stress in direct composite restorations.
  • To provide clinicians with evidence-based strategies for improving the success of composite restorations.

Main Methods:

  • Literature review of studies investigating incremental layering techniques for resin-based composites.
  • Analysis of different methods focusing on their efficacy in reducing volumetric shrinkage and stress generation.

Main Results:

  • Various incremental techniques, such as the incremental layering technique, sandwich technique, and flowable composite liners, have been proposed.
  • These methods aim to reduce the peak stress generated during composite polymerization by controlling the C-factor and incremental placement strategy.

Conclusions:

  • Incremental placement techniques are crucial for managing polymerization shrinkage stress in direct composite restorations.
  • Implementing appropriate techniques can enhance marginal seal, reduce stress, and improve the long-term clinical performance of dental restorations.