|Tetracycline (eg, tetracycline, doxycycline) exposure during dental development causes
Intensely hard calcareous substance that forms a thin layer partly covering the teeth; the hardest substance of the animal body; consists of minute prisms arranged at right angles to the surface and bound together by a cement substance.
A condition of arrested development in which an organ or part of an organ remains below the normal size or in an immature state.
hypoplasia and yellow, brown, or greyish discoloration that affects all teeth. For this reason, tetracyclines should not be administered to pregnant women or children younger than 8.