guest to make a gift or donation to an infant upon the visitor's sighting of the infant's deciduous teeth. Hausa culture has it that a child with a fallen tooth should not let a lizard see the toothless gum because if a lizard does see it, no tooth will grow in its place. Other traditions are associated with mice or other rodents because of their sharp, everlasting teeth. The character Ratón Pérez appears in the tale of The Vain Little Mouse. A Ratoncito Pérez was used by Colgate in marketing toothpaste in Venezuela and Spain. In Italy, the Tooth Fairy () is also often replaced by a small mouse (), or by Saint Apollonia, patron saint of tooth complaints. In France and in French-speaking Belgium, this character is called . From parts of lowland Scotland comes a tradition similar to the fairy mouse: a white fairy rat who purchases the teeth with coins. Several traditions concern throwing the shed teeth. In Turkey, Cyprus, and Greece, children traditionally throw their fallen baby teeth onto the roof of their house while making a wish. Similarly, in some Asian countries, such as India, Korea, Nepal, the Philippines, and Vietnam, when a child loses a tooth, the usual custom is that he or she should throw it onto the roof if it came from the lower jaw, or into the space beneath the floor if it came from the upper jaw. While doing this, the child shouts a request for the tooth to be replaced with the tooth of a mouse. This tradition is based on the fact that the teeth of mice grow for their entire lives, a characteristic of all rodents. In Japan, a different variation calls for lost upper teeth to be thrown straight down to the ground and lower teeth straight up into the air or onto the roof of a house; the idea is that incoming teeth will grow in straight. Some parts of China follow a similar tradition by throwing the teeth from the lower jaw onto the roof and burying the teeth from the upper jaw underground, as a symbol of urging the permanent teeth to grow faster towards the right direction. The Sri Lanka, tradition is to throw the baby teeth onto the roof or a tree in the presence of an Indian palm squirrel. The child then tells the squirrel to take the old tooth