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Related Experiment Videos

Root surface texture after different scaling modalities

L Jacobson1, J Blomlöf, S Lindskog

  • 1Department of Periodontology, Postgraduate Dental Education Center, Orebro County Council, Sweden.

Scandinavian Journal of Dental Research
|June 1, 1994
PubMed
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Ultrasonic scalers caused minimal root surface changes compared to hand and sonic instruments. SEM analysis revealed significant cementum removal and grooving with hand and sonic scaling, highlighting differences in root surface texture after dental procedures.

Area of Science:

  • Periodontology
  • Biomaterials Science
  • Dental Instrumentation

Background:

  • Effective root debridement is crucial for periodontal health.
  • Various instruments, including hand, ultrasonic, and sonic scalers, are used for calculus removal.
  • Understanding the impact of different scaling techniques on root surface morphology is essential for minimizing iatrogenic damage.

Purpose of the Study:

  • To compare the in vitro effects of hand, ultrasonic, and sonic scaling instruments on human root surface texture.
  • To evaluate the degree of root surface alteration and cementum removal associated with each instrument type.

Main Methods:

  • Forty-eight extracted human teeth were subjected to scaling using hand instruments, Amdent 830 ultrasonic scaler, Cavi-Med 2000 ultrasonic scaler, and Titan-S sonic scaler.

Related Experiment Videos

  • Root surface texture was analyzed using scanning electron microscopy (SEM) at various magnifications (x70 and x500).

    • Main Results:

    • Hand and sonic instrumentation resulted in significant root surface alterations, including large grooves and noticeable cementum removal, visible at x70 magnification.
    • Ultrasonic instrumentation (Amdent 830 and Cavi-Med 2000) produced minimal detectable root surface changes, with alterations not apparent below x500 magnification.
    • SEM revealed distinct differences in surface morphology based on the type of scaling instrument used.

    Conclusions:

    • Ultrasonic scalers appear to be less abrasive to the root surface compared to hand and sonic instruments.
    • The working principles of different scaling devices significantly influence their impact on root surface texture.
    • Careful selection and application of scaling instruments are necessary to preserve root surface integrity during periodontal therapy.