[504] Geist-Jacobi, p. 166.

[505] Gedanken über das Hervorkommen und Wechseln der Zähne, 1768.

[506] Carabelli, p. 91.

[507] A treatise on the disorders and deformities of the teeth and gums, London, 1768.

[508] See The Rise, Fall, and Revival of Dental Prosthesis, by B. J. Cigrand, p. 148.

[509] Carabelli, p. 91.

[510] Carabelli, p. 93; Lemerle, Notice sur l’histoire de l’art dentaire, p. 117.

[511] J. Aitkin, Essays on several important subjects in surgery, London, 1771.

[512] Sprengel, vol. ii, p. 348.

[513] Sprengel, p. 350.