Hydrodynamic Damping of Tooth Movement

Abstract

SYNOPSIS IN INTERLINGUA

AMORTIMENTO HYDRODYNAMIC DEL MOBILITATE DE DENTES.—Numeros de Reynold calculate ab le velocitate de intrusion del incisores maxillar del ratto esseva bassissime, lo que indica le predominantia de fortias viscose. Le constantes de resorto calculate ab le periodo de oscillation del dentes monstrava differentias significative, permittente concluder al presentia de un mechanismo amortitori actuate per fortias inertial durante le fluxo de liquido extracellular. Viste que le intrusion monstrava un systema biphasic, le interpretation es hasardate que liquido interstitial, agente como un pellicula resiliente, es le prime factor amortitori active durante le intrusion de un dente ad in su alveolo e que, quando iste pellicula es exhaurite e non replenate, un secunde mechanismo amortitori entra in action resultante ab un stenose de minor vasos sanguinee per fibras periodontal con le accompaniamento de exogene aneurysmas cirsoide que es lentemente deplete a transverso le parietes vascular.

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References

Bien, Saul M. , and Ayers, Herbert D. Responses of Rat Maxillary Incisors to Loads, J. dent Res. , 44: 517-20, 1965.

Lee, E.H. Stress Analysis for Viscoelastic Bodies. In Viscoelasticity Phenomenological Aspects, J. T. Bergen , editor. New York, New York, Academic Press, 1960, p. 1-26.

Marvin, Robert S. The Linear Viscoelastic Behavior of Rubberlike Polymers and Its Molecular Interpretation. In Viscoelasticity Phenomenological Aspects, J. T. Bergen , editor. New York, New York , Academic Press, 1960, p. 27-54.

Castelli, W.A. , and Dempster, W.T. The Periodontal Vasculature and Its Responses to Experimental Pressures, J. Amer. dent. Ass. , 70:890-905, 1965.

Synge, J.L. The Tightness of the Teeth Considered as a Problem Concerning the Equilibrium of a Thin Incompressible Elastic Membrane, Phil. Trans. Royal Soc. London, 231A:435-77, 1933.

Synge, J.L. The Equilibrium of a Tooth with a General Conical Root, Phil. Mag., S.7, 15:969-96, 1933.

Parfitt, Gilbert J. Measurement of the Physiological Mobility of Individual Teeth in an Axial Direction, J. dent. Res., 39:608-18, 1960.

Hofmann, Manfred. Zur Oszillographie des Gingivalpulses, Dtsch. Zahnorztl. Zschr. , 19:765-68, 1964.

Picton, D.C.A. Some Implications of Normal Tooth Mobility During Mastication, Arch. oral Biol., 9: 565-73, 1964.

10.

Hays, Donald F. Squeeze Films for Rectangular Plates, Trans. Amer. Soc. mech. Eng. Series D.J. basic Eng., 85:243-46, 1963.

11.

Hays, Donald F. Squeeze Films, a Finite Journal Bearing with a Fluctuating Load, Trans. Amer. Soc. mech. Eng. Series D.J. basic Eng., 83:579-88, 1961.

12.

Hays, Donald F. Research Laboratories, General Motors Technical Center, Warren, Mich. Personal communication, December 13, 1963.

13.

Haynes, R.H. , and Rodbard, S. Arterial and Arteriolar Systems: Biophysical Principles and Physiology, Chapter II. In Blood Vessels and Lymphatics, David 1. Abramson , editor. New York, New York, Academic Press, 1962.

14.

Landis, Eugene M. Heteroporacity of the Capillary Wall as Indicated by Cinematographic Analysis of the Passage of Dyes, in The Acute Inflammatory Response, Ann. N.Y. Acad. Sci., 116:765-73, 1964.

15.

Malcolm, John E. Blood Pressure Sounds and their Meanings. Heinemann , London. England, 1957, p. 56-62.

16.

Numachi, F. Uber die Kavitationsentstehung mit besonderem Bezug auf den Luftgehalt des Wassers, Ing-Arch., 7:396-409, 1936.

17.

Hugh, Alan E. , and Fox, John A. , Circulatory Cavitation "Bubbles in the Blood," Lancet, 7310: 717-18,1963.

18.

Wilson, Charles L. Production of Gas in Human Tissues at Low Pressures, U.S.A.F. Aerospace Medical Center, Brooks A.F. Base, Texas, 61-105, 1961.

19.

Goldhaber, Paul. Some Chemical Factors Influencing Bone Resorption in Tissue Culture , Chap. 24. In Mechanisms of Hard Tissue Resorption, Reidar F. Sognnaes , editor, American Association for the Advancement of Science, Washington, D.C., 1963, p. 609-17.

20.

Zaki, A.E. , and Van Huysen, G. Histology of the Periodontium Following Tooth Movement, J. dent. Res., 42:1373-79, 1963.

21.

Trueta, J. The Role of the Vessels in Osteogenesis, J. bone & joint Surg., 458:402-18, 1963.

22.

Bien, Saul M. An Hydrodynamic Interpretation of the Effects of Forces on Teeth. Unpublished Lord Chaim Prize Paper, First District Dental Society of New York, March 9, 1964.

23.

Bien, Saul M. The Pressure Gradient in the Periodontal Vasculature , Trans. N.Y. Acad. Sci., 28 :496-506, 1966.

24.

Bien, Saul M. Fluid Dynamic Mechanisms which Regulate Tooth Movement. In Advances in Oral Biology, vol. 2. Peter H. Staple , editor. New York, Academic Press, 1966. In press.