Baronio was among the first to attempt transplantation and experimental surgery in animals. He successfully carried out full-thickness skin grafts after detachment from the body, and the first purely scientific research in the history of plastic surgery. Baronio devoted an entire chapter (pp. 27-32) to the transplantation of teeth from one person to another, an operation that he credited to John Hunter. "The transplanting of teeth from one person to another is performed according to the English surgeon without great difficulty, provided that the tooth to be transplanted is fresh and has a root suitable for the alveolus of the recipient. . . . One can reduce the length or diameter of the root by filing it down, and there is certain proof that a fresh tooth, however much its root has been filed down, will take as well as one which hasn't been filed. Such a wonderful operation, despite its simplicity, is practically unknown in Italy . . . whilst in England, on the contrary, there was a time when it was so common that ladies were ashamed to appear in society if they were lacking a tooth. . . . But it often happened that those people willing to sell their good teeth were infected with poison, either venereal or scrofulous, and through them these diseases were transmitted to those who had the misfortune to come upon diseased donors. Thus it was that the transplanting of teeth fell into disrepute. . . " (Baronio, On Grafting in Animals [1985], translated by Joan Bond Sax, pp. 48-49).

Digital facsimile of the 1804 edition from the Medical Heritage Library at the Internet Archive at this link.