The teeth in living beings that have it, use them to be able to cut and grind food to help the digestive process of the feeding process. In animals, it will also serve as a way to defend themselves against predators. They will also give other uses to the teeth, such as being part of forms of expression in some cultures.
Regarding its structural composition, we have that the teeth are forms that contain a high amount of phosphorus and calcium that, in the specific case of human beings, begin to appear in the gums from the first six months of life. First, what are known as baby teeth will emerge and later, when these fall out, what are called permanent teeth will come out.
The teeth are installed in a maxillary structure adhered by the gomphosis, which is a type of joint that adheres these glued teeth through dental cement.
Types of tooth tissues
This is similar to what a bone is, and its main characteristic is to show a calcified shape covered with enamel.
This corresponds to what is seen on the teeth, it is a kind of coating that is presented in a hard way in order to be able to protect the same teeth from external factors that can cause, among other things, some type of cavities. In addition, they help to efficiently grind food.
They are a series of blood vessels, nerves and soft tissues, which provide the necessary nutrients to the tooth itself, as well as sensitivity. This is physiologically located in the central part of the tooth.
It is a tissue that works to stop the tooth with its root towards the maxillary structure. Due to its function, the hygienic care of the teeth themselves is important, to avoid the degradation of the dental cement and the teeth falling out.
Types of teeth
These have the specific function of being able to cut food, which is why they are located in the front part of the mouth since it turns out to be a strategic place for the digestive process. Among their main characteristics we have that they are sharp on their edges, have a root and are coniferous in shape. There are four upper and four lower teeth in the mouth.
When teeth begin to appear in a child, these are the first to appear within the first six months of life and it will be at the age of six on average when new teeth of this type re-emerge.
Known more as fangs, they are found inside the mouth, next to the so-called incisor teeth, reviewed in the previous point. Of this type of teeth there will be four and their specific function within the feeding process is to be able to tear food.
These will present themselves in the first 16 months of a person’s life and are known as milk canines. It will be until the age of nine that the following ones will come out once the milk ones have fallen.
These teeth are located between the canine and molar teeth, which also have the function of tearing food when it is first introduced into the mouth. They comply with a first phase of tearing and later the other teeth will fulfill their specific function. They also serve to be able to grind the food, that is, not only to tear it.
Eight such teeth will be found in the mouth, four above and four below. They emerge from the age of ten on average and in a one-year stage they fall off and others re-emerge.
Its specific function is to be able to grind food for proper digestion. At the end of the process, it will be possible to have a uniform mass with the right consistency to pass through the throat and reach its final destination, which is the stomach.
Twelve teeth of this type are found in the mouth, and they happen to be the largest teeth located in the back of the mouth. The first teeth known as milk, appear in the first year, later and once the first ones fall, the second generation of teeth will come out.
They are commonly known as wisdom teeth, which usually form in the final stage at an average age of 18 years of life. Sometimes there are cases in which the person does not develop this type of teeth.