👉 In science, a rhinolith is a type of mineral deposit that forms on the surface of a human tooth. These deposits are often found in front of the crown of the tooth and can be up to several centimeters in size. They are believed to be formed by mineral crystals or minerals embedded in the tooth enamel that gradually develop over time due to the movement of saliva. The process is thought to occur through a process called chemical weathering, where small particles of rock or mineral enter the tooth