When asked how many teeth do humans have, the answer will vary greatly depending on who you ask. Some people say there are as many as two thousand, while others say four or five hundred. The number has a lot to do with how many of each kind of tooth a person has, and how healthy the teeth are in question. A person with one hundred tooth may have twice the number of adult teeth as another person with the same number of adult teeth.
Baby teeth will emerge before permanent adult teeth do. If a child has first permanent teeth emerge earlier, this is called precocial tooth formation. This process starts when a child’s baby teeth emerge. There is not enough enamel to protect the baby’s root, so the tooth falls out as the root grows in. If the child continues to drink milk until the baby teeth emerge, the baby teeth will emerge before the permanent ones do.
As a person ages, the number of teeth decreases because the chewing muscles weaken and the jaw becomes less dense. There are four types of teeth – upper, lower, canine, and molars. Upper and lower teeth are separated by a space called a canal, which can be used for either soft or hard foods. If the molars in either jaw begin to decay, the person may need to replace them.
There are eight distinct types of molars in the lower jaw that come in different shapes and sizes. There is a broad range of sizes, from those with one tooth to those with two molars. Uppers are used to help hold food in the mouth and prevent it from falling out while the canine allows the eater to chew and at the same time scrape the food from between the teeth. There is no limit to the number of molars that a person may have in each of their jaws. Molars can begin to decay when there are not enough teeth around to support the growth.
The upper incisors are used to make a deep cutting motion that enables us to tear at the outer layers of food. Molars that are left untreated can grow outward, damaging the teeth and gums. Dogs can also suffer from this condition if the molars are weak and not properly supported. Dog food that has low-grade ingredients can often cause weakened upper incisors while poor-quality treats can break down the lower incisors along with the upper molars.
Wisdom teeth emerge in the third molar of the lower jaw and are responsible for our speech. They can also be called third molars because they are situated this close to the gums. Molars that are too small cannot erupt fully, while those that erupt too soon are prone to becoming infected and eventually falling out. Once the wisdom teeth emerge, they will stay in the mouth permanently unless they come out on their own. Dogs that suffer from impacted wisdom teeth need to be examined by a vet in order to determine which ones are impacted and need to be removed.
During the first year of life we have three permanent teeth that develop on the sides of our jaws. These permanent molars, also referred to as baby teeth, are permanently placed on each side of the lower jaw just above the permanent teeth. Molars that are impacted can erupt prematurely, damaging the soft tissue that supports them.
There are many factors that can influence the number of permanent teeth an individual has as well as how many wisdom teeth they will have to remove. How many teeth an individual has can be affected by their size, shape, and their gender? Some individuals have a large tooth gap between their wisdom teeth and their permanent molars. This means that a person will require one tooth extraction in addition to their regular oral hygiene. Other people, however, may only require one or two extractions depending upon how many teeth are impacted.