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Tonometric Measurement of Dental Pulpal and Mandibular Marrow Blood Pressures
Richard L. Christiansen
National Institute of Dental Research, Craniofacial Anomalies Program Branch, Bethesda, Maryland 20014, USA, Department of Physiology, University of Minnesota, Minneapolis, Minnesota 55455, USA
Maurice W. Meyer
National Institute of Dental Research, Craniofacial Anomalies Program Branch, Bethesda, Maryland 20014, USA, Department of Physiology, University of Minnesota, Minneapolis, Minnesota 55455, USA
Maurice B. Visscher
National Institute of Dental Research, Craniofacial Anomalies Program Branch, Bethesda, Maryland 20014, USA, Department of Physiology, University of Minnesota, Minneapolis, Minnesota 55455, USA
Dental pulpal and mandibular marrow vascular pressures were studied with a tonometric method under conditions of autoperfusion and step flow controlled perfusion. The tonometric pulpal and marrow pressures averaged 17 ± 5 mm Hg and 20 ± 6 mm Hg, respectively. The venous end pressure was 16 ± 8 mm Hg at a perfusion pressure of 156 ± 28 mm Hg. The tonometric pulpal pressures were lower and were less variable than the comparable cannulation pulpal pressures.
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Journal of Dental Research, Vol. 56, No. 6,
635-645 (1977)
DOI: 10.1177/00220345770560061301
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