Odontogenic tumors are any kind of abnormal growth in and around the jaw and teeth. 1  Many of these tumors are considered to be benign.  In unusual cases, odontogenic tumors are malignant, meaning they are likely to spread.
What are foodborne toxins? Foodborne toxins are toxins that are found in different foods that can cause illness when they are consumed. Some are naturally occurring toxins that are found in certain foods, and others are produced by bacteria that have contaminated a food item.
What is biological contamination in food? Biological contamination occurs when foods containing naturally occurring substances that are poisonous to humans are ingested; such solanine in green potatoes, oxalic acid in â¦ the leaves of rhubarb and some type of mushrooms.+ 22 others found this useful. biological contaminant that is one of the biggest sources of air  pollutionis mold. Molds can be found everywhere and mold spores are  common components in household and w â¦ orkplace dust.