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Related Experiment Videos

Relationship between bleeding time test and postextraction bleeding in a healthy control population.

Michael T Brennan1, Galib Shariff, M Louise Kent

  • 1Department of Oral Medicine, Carolinas Medical Center, Charlotte, NC 28232, USA. mike.brennan@carolinashealthcare.org

Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
|October 11, 2002
PubMed
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Cutaneous bleeding time (BT) did not predict bleeding after tooth extraction. However, oral BT measured after extraction correlated with postoperative bleeding duration, indicating its clinical relevance for predicting bleeding outcomes.

Area of Science:

  • Oral Surgery
  • Hemostasis
  • Clinical Research

Background:

  • Assessing bleeding risk before dental procedures is crucial.
  • Cutaneous bleeding time (BT) is a traditional hemostasis test.
  • Its utility in predicting postoperative bleeding after tooth extraction is unclear.

Purpose of the Study:

  • To investigate the relationship between cutaneous BT and bleeding outcomes post-tooth extraction.
  • To evaluate the predictive value of oral BT for postoperative bleeding.

Main Methods:

  • Prospective pilot study of 30 subjects undergoing single tooth extraction.
  • Cutaneous BT measured pre-extraction.
  • Oral BT measured immediately post-extraction.
  • Postoperative bleeding assessed at 3-7 hours and 2 days.

Related Experiment Videos

Main Results:

  • Cutaneous BT did not correlate with oral BT or postoperative bleeding measures.
  • Oral BT showed a correlation with the duration of postoperative bleeding (R(s) = 0.54, P =.03).
  • Extraction duration correlated with bleeding at 3-7 hours post-surgery (R(s) = 0.67, P =.0006).

Conclusions:

  • Cutaneous BT is not a reliable predictor of bleeding after tooth extraction.
  • Oral BT measured immediately after extraction is a more relevant indicator of subsequent bleeding duration.
  • Oral BT may aid in assessing bleeding risk in dental surgery.