The root. The root not only holds the tooth in the jawbone, but it also ensures the jawbone remains healthy. The pulp is located in the root canal and is the only living section of the tooth. It is made up of nerves, living tissues, and arteries..
Although the incidence of maxillary molars with four roots is rare, they do occur and the clinicians should be aware of this fact and prepared to face this situation. Anatomic variation in the number of roots and root canals can occur in any tooth.
The root of a tooth descends below the gum line, into the upper or lower jawbones, anchoring the tooth in the mouth. Different types of teeth have a different number of roots and root formations. Typically incisors, canines and premolars will have one root whereas molars will have two or three.
Pulpitis
Pulpitisrefers to inflammation of the pulp, often due to an untreated cavity
Periodontal Disease
Periodontal diseaseis sometimes called gum disease. It’s an infection of the gums. Common symptoms include red, swollen, bleeding, or receding gums
Malocclusion
Malocclusionis the misalignment of teeth. This can cause crowding, underbites, or overbites. It’s often hereditary, but thumb-sucking
Bruxism
Bruxismrefers to grinding or clenching your teeth. People with bruxism are often unaware that they have it
Abscess
A tooth abscess is a pocket of puscaused by a bacterial infection. It can cause tooth pain that radiates to your jaw, ear, or neck
Tooth Erosion
Tooth erosion is the breakdown and loss of enamel caused by acid or friction. Acidic foods and drinks, can cause it
Tooth Impaction
Tooth impaction happens when there isn’t enough space for a new tooth to emerge, usually due to overcrowding. It’s common in wisdom teeth
Where is the root of a tooth located?
The root is attached to the tooth-bearing bone—the alveolar processes—of the jaws by a fibrous ligament called the periodontal ligament or membrane
The “neck” of the root is embraced by the fleshy gum tissue (a specialized area of connective tissue covered with mucous membrane that lines the mouth cavity)
The root is the unseen portion that supports and fastens the tooth in the jawbone. The root is attached to the tooth-bearing bone—the alveolar processes—of the jaws by a fibrous ligament called the periodontal ligament or membrane.Only about half of a tooth is visible in the mouth. The rest sits below the gumline and anchors the tooth in the jawbone. This concealed part of the tooth is called the “root.” All teeth have at least one root, but some have two or three. Each root resembles a prong. Like the rest of the tooth, the root contains nerves and sensitive tissue.The root is the part of the tooth that extends into the bone and holds the tooth in place. It makes up approximately two-thirds of the tooth. It’s made up of several parts: Root canal. The root canal is a passageway that contains pulp. Cementum. Also called cement, this bone-like material covers the tooth’s root.The tooth roots are the part of the tooth inside the bone socket. They’re covered by a connective tissue known as cementum, which is hard but not as hard as tooth enamel. So, if the tooth roots are exposed, the cementum can quickly decay or wear away with brushing.The anatomic root is found below the CEJ and is covered with cementum. As with the crown, dentin composes most of the root, which normally has pulp canals. Canines and most premolars, except for maxillary first premolars, usually have one root. Maxillary first premolars and mandibular molars usually have two roots.
Tooth anatomy root
The Hertwig epithelial root sheath (HERS) or epithelial root sheath is a proliferation of epithelial cells located at the cervical loop of the enamel organ in a developing tooth. Hertwig epithelial root sheath initiates the formation of dentin in the root of a tooth by causing the differentiation of odontoblasts from the dental papilla. The root sheath eventually disintegrates with the periodontal ligament, but residual pieces that do not completely disappear are seen as epithelial cell rests of Malassez (ERM). These rests can become cystic, presenting future periodontal infections.
