J Korean Dent Soc Anesthesiol.  2012 Mar;12(1):17-23. 10.17245/jkdsa.2012.12.1.17.

Pulp Vitality Evaluation and Comparison with Old Methods Using Pulse Oximetry

Affiliations
  • 1Seoul National University School of Dentistry, Seoul, Korea.
  • 2Department of Dental Anesthesiology, Seoul National University School of Dentistry, Seoul, Korea. stone90@snu.ac.kr
  • 3Department of Pediatric Dentistry, Seoul National University School of Dentistry, Seoul, Korea.
  • 4Clinic for Persons with Disabilities, Seoul National University Dental Hospital, Seoul, Korea.
  • 5Institute of Medical and Biological Engineering, Medical Research Center, Seoul National University, Seoul, Korea.

Abstract

BACKGROUND
This study evaluated pulp vitality of anterior permanent teeth using pulse oximetry (PO), which is already used for monitoring of patient's SpOâ‚‚ and pulse rates (PR). Also we compared with ice tests and electric pulp test (EPT).
METHODS
9 teeth, endodontic treated, were selected as non-vital teeth group. 17 vital teeth were selected as control group. Our aim is to compare sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) of ice test, electric pulp test and pulse oximetry, respectively. Pulse oximetry has two test results, SpOâ‚‚ and pulse rates. Also we calculated correlation and statistical significances by Pearson's test between EPT and pulse oximetry.
RESULTS
Sensitivity, specificity, PPV, NPV were calculated on each tests. Ice test has results of 1.00, 0.89, 0.94 and 1.00, respectively. EPT has results of 0.94, 0.78, 0.89 and 0.88 respectively. SpOâ‚‚ has results of 0.94, 1.00, 1.00 and 0.90, respectively. PR has results of all 1.00.
CONCLUSIONS
PO showed relatively accurate, stable and objective results on both SpOâ‚‚ and PR. Percentage of ability of accurate diagnosis for vital teeth is 94% for ice test, 89% for EPT, 100% for SpOâ‚‚ and PR. Percentage of ability of accurate diagnosis for non-vital teeth is 100% for ice test, 88% for EPT, 90% for SpOâ‚‚ and 100% for PR. In additions, PR could be more accurate and significant tests than SpOâ‚‚.

Keyword

Pulse oximetry; Pulse rates; Pulp vitality; Dental sensor holder

MeSH Terms

Diagnosis
Heart Rate
Ice
Methods*
Oximetry*
Sensitivity and Specificity
Tooth
Ice
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