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Related Experiment Video

Updated: May 5, 2026

Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material
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No carious cervical lesions: abfraction.

Sumanth M Shetty1, Rashmi G Shetty, Sudha Mattigatti

  • 1Department of Pedodontics and Preventive Dentistry, SGT Dental College Hospital & Research Institute, Budhera, Gurgaon, Haryana, India.

Journal of International Oral Health : JIOH
|December 11, 2013
PubMed
Summary

Abfraction theory explains non-carious cervical lesions (NCCL) caused by flexural forces. Early detection of these enamel defects at the cementoenamel junction (CEJ) is crucial for timely intervention.

Keywords:
Abfractioncervical lesionsnon-carious lesionwasting diseaseswear

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Area of Science:

  • Dentistry
  • Dental Biomaterials
  • Oral Pathology

Background:

  • Non-carious cervical lesions (NCCL) are a common dental concern.
  • The etiology of NCCL remains multifactorial, with various theories proposed.
  • Understanding the mechanisms behind NCCL is vital for effective prevention and treatment.

Purpose of the Study:

  • To present the Abfraction theory as a potential explanation for NCCL.
  • To highlight the role of flexural forces and cyclic loading in enamel destruction.
  • To emphasize the clinical significance of early NCCL detection.

Main Methods:

  • Review of existing literature on NCCL and biomechanical principles.
  • Explanation of the proposed mechanism of enamel rod separation at the cementoenamel junction (CEJ).
  • Discussion of the clinical implications for diagnosis and management.

Main Results:

  • The Abfraction theory posits that flexural forces cause enamel separation at the CEJ.
  • Cyclic loading is identified as a primary contributor to these destructive forces.
  • The theory provides a framework for understanding a specific type of NCCL.

Conclusions:

  • Abfraction offers a plausible explanation for certain non-carious cervical lesions.
  • Early identification of abfraction lesions is essential for conservative treatment.
  • Further research may validate the biomechanical aspects of this theory.