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Related Experiment Videos

Outcomes for root-fractured permanent incisors: a retrospective study.

R Welbury1, M J Kinirons, P Day

  • 1Department of Child Dental Health, Glasgow Dental Hospital and School, Scotland, UK. Welbury@dental.gla.ac.uk

Pediatric Dentistry
|May 7, 2002
PubMed
Summary

Root fractures in permanent incisors impact pulp vitality and tooth survival. Crown fractures and coronal fragment displacement are key risk factors, while rigid splinting shows no significant effect on healing outcomes.

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Area of Science:

  • Endodontics
  • Dental Traumatology
  • Restorative Dentistry

Background:

  • Root fractures in permanent incisors are complex dental injuries.
  • Assessing outcomes requires understanding factors influencing pulp vitality, root union, and survival.
  • Clinical and radiographic parameters, along with splinting methods, are crucial considerations.

Purpose of the Study:

  • To evaluate outcomes of treated root-fractured permanent incisors.
  • To assess pulp vitality, hard root tissue union, and tooth survival.
  • To examine the influence of clinical/radiographic factors and rigid splinting on outcomes.

Main Methods:

  • Retrospective analysis of 84 treated root-fractured permanent incisors.
  • Data extracted from case notes and analyzed using SPSS.

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  • Odds ratios, Cox regression, and Kaplan-Meier survival curves used to identify risk factors.

    • Main Results:

    • Fracture location varied: apical (17%), middle (56%), gingival (27%).
    • Crown fractures (29%) significantly impacted pulp vitality.
    • Gingival third fractures had the poorest survival rate (61% tooth loss).
    • Pulp vitality loss and coronal fragment displacement negatively affected root union.
    • Rigid splinting did not significantly influence pulp vitality or root healing.

    Conclusions:

    • Enamel-dentine crown fractures are linked to pulp vitality loss.
    • Pulp necrosis and coronal fragment luxation affect hard root tissue union.
    • Gingival third root fractures present the worst prognosis for tooth survival.
    • Rigid fixation does not improve pulp vitality or root tissue union outcomes.