Description caries Tooth decay is obtained defect hard dental tissue, which has been known to mankind since the Stone Age. With the development of civilization and diet changes that came during development, its incidence is still rising. An important role…
Teeth
Teeth (tooth Latin dens) are one of the hardest parts of the body. They are placed in the wells of dental oral cavity and help people to handle and mechanically pulverize food ingestion. With tongue and saliva are thus beginning the digestive system. Teeth form two arches – upper and lower. These arcs also include gums, and the edges of the jaws. All together we call teeth – dentition.
Structure of the tooth
- crown – extends above the gums. Is coated tooth enamel (email), which is a mineral composition hardest substance in the body. After damage, however, not capable of regeneration.
- neck
- Root – is coated with cement and placed. It passes through the root canal, through which the teeth penetrate the nerves and blood vessels. Now the amount of the nerve causes frequent sensitivity and toothache.
The basic component of the tooth’s dentine – DENTIA. The composition of this yellow-white mass is similar to that of bone. Inside we find the tooth pulp cavity filled pulp. Pulp has a network of blood and lymph capillaries. Teeth darken with age, decreases the amount of dental pulp and dentin replaces it.
types of teeth
- incisors (dentes Incisive) – in permanent dentition in the number 8
- canines (dentes Canini) – in permanent dentition in the number 4
- premolars teeth (dentes premolares) – in permanent dentition in the number 8
- molars (dentes Molares) – in permanent dentition in the number 8 or 12. The third molars known as wisdom teeth along a large section of people but not neprořežou. In case of the gums begin to permeate, is still the most frequently accesses the surgery in which they are pulled out. Growth of third molars is in fact due to the bad direction pruning often very painful and can even cause inflammation.
Furthermore, also we distinguish two types of teeth:
- milk teeth – 20 teeth is formed, does not include teeth premolars. Prune begins the sixth month of life. From the fifth year in about fourteen years old then gradually falls out and is replaced by permanent teeth.
- permanent teeth – is made up of 32 teeth. Comprises teeth premolars and molars have four more teeth than milk.
dental disease
Teeth are most vulnerable to dental caries. Therefore, we regularly should visit a dentist and most importantly you at least twice a day to brush your teeth. Another common disease is periodontitis. In this disease there is bleeding from the gums and loss of teeth.
Sicknesses of this body part:
Parodonthopathies
Description Parodonthopathies The term Parodonthopathies called Periodontal disease. Is complex periodontal tissues which are in close anatomical and functional relationship to the tooth. Periodontal main function is tostrengthen the tooth in the bone bed. Belong here gums – gingiva periosteum…
Pyorrhoea
Description of periodontitis To properly understand why it has such implications periodontal disease, which has, as a preliminary to wander a little anatomy.The tooth is embedded in the bone, “well”, Latin alveoli. There is relatively firmly anchored, but its fixedly…
Lobstein syndrome
Description Lobsteinova syndrome To name translates Osteogenesis imperfecta imperfect bone development. It is a genetic disorder caused by mutations in the gene for an important protein of the human skeleton, skin, cartilage, muscles packaging, sclera, cornea and meninges – collagen….
Thrush
Description of thrush The thrush is sometimes for a lifetime to meet a quarter of our population. Afta seems less painful pustule oral cavity, unlike the haze that forms on the lips. Thrushes occur mainly in younger people more likely to…
Teeth Grinding (Bruxism)
Bruxism Overview Bruxism is the medical term for clenching your jaw or grinding your teeth. It’s a very common condition and many people grind their teeth without realizing it, especially during the nighttime. Causes of Bruxism While there’s no single…