Functional Stiffness Characteristics of Toothbrush Bristles

Macfarlane, D.W. Stiffness of Toothbrushes, Brit. Dent. J., 89, 1945.

Bass, C.C. Optimum Characteristics of Toothbrushes for Personal Hygiene, Dent. Items of Interest, 70:696, 1948.

Harrington, J.H. , and Terry, I.A. Automatic and Hand Toothbrushing Abrasion Studies, J. Amer. dent. Assn., 168:348, 1964.

Goldman, H.M. , Schluger, S. , and Fox, L. Periodontal Therapy, ed. 2, Chapt. 21. St. Louis, The C. V. Mosby Co., 1960.

Glickman, I. Clinical Periodontology, ed. 2. Philadelphia, W. B. Saunders Co., 1958, p. 569; 929. 6. Timoshenko , S. Strength of Materials, Part II. Advanced Theory and Problems, ed. 3. Princeton, N.J., D. Van Nostrand Co., Inc., 1956, p. 54.

Timoshenko, S. Theory of Elastic Stability, ed. 1. New York, McGraw-Hill Book Co., Inc., 1936, p. 499.

Timoshenko, S. Theory of Elastic Stability, ed. 1. New York, McGraw-Hill Book Co., 1936.

Thompson, W.T. Mechanical Vibrations, ed. 1. New York, Prentice-Hall, Inc. , 1949, p. 18; 22.

Haack, D.D. The Science of Mechanics and its Importance to Analysis and Research in the Field of Orthodontics, Amer. J. Orthodont. 49:343, 1963.

Niles, A.S. , and Newell, J.S. Airplane Structures, ed. 3, Vol. 2. New York, John Wiley & Sons, Inc., 1948, p. 296.

V.Karman. T. , and Biot, M.A. Mathematical Methods in Engineering, ed. 1. New York, McGraw-Hill Book Co., 1940, p. 95.

Sokolnikoff, I.S. , and Sokolnikoff , E.S. Higher Mathematics for Engineers and Physicists, ed. 2. New York, McGraw-Hill Book Co., 1941, p. 217.

Niles, A.S. , and Newell, J.S. Airplane Structures, ed. 3, Vol. 2. New York, John Wiley & Sons , 1948, p. 112.

Niles, A.S. , and Newell, J.S. Airplane Structures, ed. 3, Vol. 2. New York, John Wiley & Sons , 1948, p. 109.