[Some histological preparation methods of dental significance]

The authors inspect some of the most usual methods used in the preparation of histological sections of odontological interest. Then they describe a recent method of preparation of histological sections invented by the Prof. K. Donath. It makes use of modern instruments and allows the preservation, in the specimen, of tissues of different nature and consistence, and of eventual materials of restoration and of implant, present in the teeth or in the bone.