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Related Experiment Videos

Comparative study of two root coverage procedures: a 24-month follow-up multicenter study.

Ofer Moses1, Zvi Artzi, Anton Sculean

  • 1Department of Periodontology, The Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, Tel Aviv, Israel.

Journal of Periodontology
|February 8, 2006
PubMed
Summary

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Connective tissue graft (CTG) procedures offer superior root coverage and keratinized tissue height compared to enamel matrix derivative (EMD) treatments for gingival recession. Both methods provide long-term clinical success for treating exposed root surfaces.

Area of Science:

  • Periodontology
  • Regenerative Dentistry

Background:

  • Gingival recession necessitates treatment to cover exposed root surfaces.
  • Common treatments include free grafts, pedicle flaps, and barrier membranes.
  • This study compares coronally advanced flap with enamel matrix derivative (EMD) versus subpedicle connective tissue graft (CTG).

Purpose of the Study:

  • To clinically evaluate the long-term efficacy of EMD combined with a coronally advanced flap.
  • To compare EMD treatment with the subpedicle connective tissue graft (CTG) procedure for gingival recession.
  • To assess root coverage and keratinized tissue gain over 24 months.

Main Methods:

  • Miller Class I or II recession defects in 65 patients were treated.
  • Patients were divided into EMD (28) and CTG (37) groups.

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  • Outcomes measured at baseline, 12, and 24 months included vertical recession defect, keratinized tissue height, probing depth, and percentage of root coverage.

    • Main Results:

    • Connective tissue graft (CTG) achieved significantly higher percentage of root coverage (84.3%) than enamel matrix derivative (EMD) (76.9%) at 24 months (P=0.002).
    • CTG also resulted in a significantly greater increase in keratinized tissue height (4.05 mm) compared to EMD (2.25 mm) at 24 months (P<0.001).
    • Both treatments demonstrated statistically significant improvements within and between groups for keratinized tissue height.

    Conclusions:

    • Both CTG and EMD treatments are clinically successful for gingival recession.
    • CTG procedures yielded superior root coverage and keratinized tissue gain.
    • EMD serves as a viable long-term alternative for root coverage and increasing keratinized tissue height.