You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is All of the following result in endogenous pigmentation of teeth except: and explain in detail?
Discoloration of either deciduous or permanent teeth may occur as result of tetracycline deposition during prophylactic or therapeutic or therapeutic regimens instituted either in the pregnant female or postpartum in the infant. Tetracycline and its homologues have a selective affinity for deposition in bone and tooth substance, possibly through the formation of a complex with calcium ions in the surface of the microcrystals of hydroxyapatite.