Thus, some physicians and surgeons began taking an interest in the treatment of diseased teeth. They had to teach themselves, however, since experts jealously guarded their trade secrets.
Daži ārsti sāka interesēties par slimo zobu ārstēšanas metodēm, taču šajā jomā katram viss bija jāiemācās pašam, jo meistari modri sargāja savus amata noslēpumus.