H J Breen

Summary

Country: UK

Publications

  1. ncbi request reprint Option-4 algorithm for automated disc probe: reduction in the variance of site-specific relative attachment level measurements
    H J Breen
    Clinical Practice, Chelmsford, Essex, UK
    J Periodontol 68:456-66. 1997
  2. ncbi request reprint Site-specific attachment level change detected by physical probing in untreated chronic adult periodontitis: review of studies 1982-1997
    H J Breen
    Department of Oral and Maxillofacial Medicine and Pathology, Guy s School of Medicine and Dentistry, London, UK
    J Periodontol 70:312-28. 1999
  3. ncbi request reprint Option-4 algorithm for Florida pocket depth probe: reduction in the variance of site-specific probeable crevice depth measurements
    H J Breen
    Statistics Unit, Public Health Laboratory Service, Colindale, London, UK
    J Clin Periodontol 26:511-8. 1999

Detail Information

Publications3

  1. ncbi request reprint Option-4 algorithm for automated disc probe: reduction in the variance of site-specific relative attachment level measurements
    H J Breen
    Clinical Practice, Chelmsford, Essex, UK
    J Periodontol 68:456-66. 1997
    ..The Option-4 algorithm produced an 80% reduction in the mean site-specific variance of RAL1/RAL2 (Y) and a 75% reduction in the median site-specific variance of RAL1/RAL2 (y = [(A - B)/A] x 100)...
  2. ncbi request reprint Site-specific attachment level change detected by physical probing in untreated chronic adult periodontitis: review of studies 1982-1997
    H J Breen
    Department of Oral and Maxillofacial Medicine and Pathology, Guy s School of Medicine and Dentistry, London, UK
    J Periodontol 70:312-28. 1999
    ..The present paper aims to summarize the salient points from the key studies and to compare the results...
  3. ncbi request reprint Option-4 algorithm for Florida pocket depth probe: reduction in the variance of site-specific probeable crevice depth measurements
    H J Breen
    Statistics Unit, Public Health Laboratory Service, Colindale, London, UK
    J Clin Periodontol 26:511-8. 1999
    ..The option-4 algorithm produced a reduction of 75.6% in the mean site-specific variance of PCD1/PCD2 (Y) (Y=[(A-B)/A]X 100) and a 75% reduction in the median site-specific variance of PCD1/PCD2...