The Incidence of Root Resorption of Vital Permanent Teeth

Angle, E.H. , Treatment of Malocclusion of the Teeth. 6th Ed. (Philadelphia, S. S· White : 1900). P. 14.

Becks, H. , Intern. J. Orthodont., 22: 475, 1936.

Brash, J.C. , The Growth of the Jaws, Normal and Abnormal, In Health and in Disease, (London Dental Board of United Kingdom), 64.

Hemley, S. , Bul. D. Soc. State N. Y., 5: 7, 1938.

Ketcham, A.H. , Intern. J. Orthodont., 15: 315, 1929.

Marshall, J.A. , Intern. J. Orthodont., 20: 731, 1934.

Oppenheim, A. , Angle Orthodontist, 5: 168, 19 .

Idem. , ibid., 6: 83, 19.

Rudolph, C.E. , J. A. D. A., 23: 822, 1936.

Rudolph, C.E. , J. D. Res., 19: 367, 1940.

Stuteville, O.H. , Angle Orthodontist, 8: 1, 19.