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Related Experiment Videos

Furcation depth and interroot separation dimensions for 5 different tooth types.

C Ward1, H Greenwell, J W Wittwer

  • 1Albert Einstein College of Dentistry, Philadelphia, Pennsylvania, USA.

The International Journal of Periodontics & Restorative Dentistry
|January 15, 2000
PubMed
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This study measured furcation depth and interroot separation in five tooth types. Findings provide crucial anatomical data for multirooted teeth, aiding dental diagnostics and treatment planning.

Area of Science:

  • Dental Anatomy
  • Periodontology
  • Oral Surgery

Background:

  • Understanding the three-dimensional morphology of multirooted teeth is essential for effective periodontal and endodontic therapies.
  • Variations in furcation and interroot anatomy can influence disease progression and treatment outcomes.

Purpose of the Study:

  • To quantify the mean, standard deviation, and range of furcation depth and interroot separation in five types of multirooted teeth.
  • To establish normative anatomical data for maxillary first molars, maxillary second molars, maxillary first premolars, mandibular first molars, and mandibular second molars.

Main Methods:

  • A total of 412 extracted multirooted teeth were analyzed.
  • Furcation depth was measured at the furcation dome and 3 and 5 mm apical to it.

Related Experiment Videos

  • Interroot separation was measured at 3 and 5 mm apical to the furcation dome.

    • Main Results:

    • Mean furcation depths at the dome varied by tooth type and surface (e.g., maxillary first molar: 7.48 mm buccal, 6.67 mm mesiodistal).
    • Interroot separation at 3 mm apical to the dome also showed significant variation (e.g., maxillary first molar: 2.58 mm buccal, 4.17 mm mesial, 4.48 mm distal).
    • Detailed measurements for all five tooth types and specified locations are provided.

    Conclusions:

    • This study provides comprehensive quantitative data on furcation depth and interroot separation for key multirooted teeth.
    • These anatomical parameters are critical for clinicians in diagnosing and managing periodontal and endodontic conditions.
    • The documented dimensions serve as a valuable reference for dental education, research, and clinical practice.