|
Sign In to gain access to subscriptions and/or personal tools.
|
Validity of an Assumption Underlying the Confirmed Bleeding Day Measurement in an Experimental Clinical Trial
Trevor L.P. Watts
Dept. of Oral Medicine, Turner Dental School, Bridgeford Street, Manchester M15 6FH, England
In a clinical trial involving gingival bleeding, one measurement proved far better than the others. It was assumed that this measurement would help to eliminate certain sources of error. This paper examines data from the trial which give support to the assumption.
REFERENCES
- Barnes, D.S.; and Baines, E.: Evaluation of a New Experimental Model for Short-term Clinical Trials on Gingival Health, J Dent Res 50:1208, 1971.
- Carter, H.G.; and Barnes, G.P.: The Gingival Bleeding Index, J Periodontol 45: 801-805, 1974.[Medline]
[Order article via Infotrieve]
- Fischman, S.; Cancro, L.; Padler, M.; Bolton, S.; and Picozzi, A.: A New Method for Assessing Inhibition of Gingivitis by Potential Therapeutic Agents, J Periodontol 44:535-539,1973.[Medline]
[Order article via Infotrieve]
- Muhlemann, H.R.; and Son, S.: Gingival Sulcus Bleeding - a Leading Symptom in Initial Gingivitis, Helv Odontol Acta 15: 107-113, 1971.[Medline]
[Order article via Infotrieve]
- Nelson, E.H.; Funakoshi, E.; and O'Leary, T.J.: A Comparison of the Continued and Interrupted Suturing Techniques, J Periodontol 48:273-281, 1977.[Medline]
[Order article via Infotrieve]
- Löe, H.: The Gingival Index, the Plaque Index and the Retention Index Systems, J Periodontol 38:610-616, 1967.[Medline]
[Order article via Infotrieve]
- Lang, N.P.; Cumming, B.R.; and Löe, H.: Toothbrushing Frequency as it Relates to Plaque Development and Gingival Health, J Periodontol 44:396-405, 1973.[Medline]
[Order article via Infotrieve]
- Cowell, C.R.; Saxton, C.A.; Shei-Ham, A.; and Wagg, B.J.: Testing Therapeutic Measures for Controlling Chronic Gingivitis in Man: a Suggested Protocol, J Clin Periodontol 2:231-240, 1975.[Medline]
[Order article via Infotrieve]
- Watts, T.L.P.; Lennon, M.A.; and Davies, R.M.: Gingival Bleeding in an Experimental Clinical Trial Design, J Clin Periodontol (in press).
- Snedecor, G.W.; and Cochran, W.G.: Statistical Methods, 6th ed. Ames, Iowa: The Iowa State University Press, 1967, p. 128.
- Siegel, S.: Nonparametric Statistics for the Behavioral Sciences, New York: McGraw-Hill Book Company, 1956, p. 207.
- O'Mullane, D.M.: Efficiency in Clinical Trials of Caries Preventive Agents and Methods, Community Dent Oral Epidemiol 4: 190-194, 1976.[Medline]
[Order article via Infotrieve]
- Guilford, J.P.; and Fruchter, B.: Fundamental Statistics in Psychology and Education, 5th ed. New York: McGraw-Hill Book Company, 1973, p. 167.
Journal of Dental Research, Vol. 58, No. 2,
610-613 (1979)
DOI: 10.1177/00220345790580021201

CiteULike Complore Connotea Del.icio.us Digg Reddit Technorati Twitter What's this?
|
|