Dental traumatology

Dental Traumatology

Dental traumatology deals with injuries to the teeth and their supporting structures. This branch of dentistry encompasses various types of trauma affecting the teeth, gums, periodontal ligament, alveolar bone, and nearby soft tissues such as the lips and tongue. Understanding dental trauma is crucial for effective treatment and prevention of further complications.

Types of Dental Injuries

Dental trauma can affect different parts of the mouth and manifest in various forms, including:

Cracked_tooth

Dental Injuries

• Enamel Infraction: Minor damage to the tooth enamel without loss of tooth structure.
• Enamel Fracture: A crack or break in the tooth's enamel layer.
• Enamel-Dentine Fracture: A fracture affecting both the enamel and the underlying dentine layer.
• Enamel-Dentine Fracture Involving Pulp: A more severe fracture that exposes the tooth's pulp.
• Root Fracture: A break in the root portion of the tooth.

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Periodontal Injuries

• Concussion: Injury causing tooth sensitivity but not displacement.
• Subluxation: A tooth knocked loose without being displaced.
• Luxation: The tooth is displaced from its original position, including extrusive, intrusive, and lateral movements.
• Avulsion: Complete displacement of the tooth from its socket.

Injuries to Supporting Bone

Injuries involving the alveolar bone can range from minor fractures to significant disruptions affecting the stability of teeth. Types of bone injuries include comminuted fractures, fractures of the socket wall, dentoalveolar fractures, and fractures extending to the maxilla or mandible.

Signs and Symptoms

Recognizing dental trauma involves noticing changes in occlusion, movement of multiple teeth as a single segment, bruising of the gums, and potential lacerations across the fracture line.

Treatment Approaches

The treatment for dental trauma varies based on the type and severity of the injury. It may involve repositioning and stabilizing displaced teeth, splinting loose teeth, and suturing soft tissue lacerations. In cases of avulsion, immediate action is critical to attempt re-implantation of the tooth.

Soft Tissue Laceration

Soft tissue injuries, including those to the lips, buccal mucosa, and tongue, require careful examination to rule out foreign objects and assess for potential complications like damage to the facial nerve or parotid duct.

Primary Teeth Trauma

In young children, trauma to primary teeth is common and treatment prioritizes the health and development of the underlying permanent teeth. Strategies include removing displaced primary teeth that risk damaging the permanent tooth germ.

Permanent Teeth Trauma

For permanent teeth, treatments aim to preserve the tooth structure and pulp vitality when possible, through methods like pulp capping, partial pulpotomy, or root canal treatment, depending on the extent of pulp exposure.

Glossary

• Occlusion (dentistry)|Occlusion: The contact between teeth.
• Periodontal Ligament: The tissue that helps anchor teeth to the jawbone.
• Alveolar Bone: The part of the jawbone that holds the tooth sockets.
• Soft Tissue: Tissues surrounding and supporting the teeth, including gums and mucosa.

Dental traumatology Resources
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