Treatment of Dental Injuries to Hard Tissues

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What is the main difference between the prevalence of displacement injuries in primary dentition compared to permanent teeth?

Primary teeth have increased elasticity in supporting structures. (correct)
Primary teeth have more rigid supporting structures.
Permanent teeth have a higher risk of periodontal tissue injury.
Permanent teeth are more prone to displacement injuries.

What is the characteristic feature of teeth affected by subluxation injuries?

Clinical and radiographic tooth displacement
Tooth sensitivity to percussion testing (correct)
Fracture of the alveolar socket
Marked displacement into the alveolar bone

What is the recommended treatment for intrusive luxation injuries?

Vitality testing
Excessive mobility stabilization
Nonrigid stabilization (correct)
Occlusal adjustments

Which type of tooth injury shows decreased mobility and limited percussion sensitivity?

Extrusive luxation injury (D) Signup and view all the answers

What is a common indicator of rupture of periodontal tissues in subluxation injuries?

Bleeding at the gingival margin crevice (A) Signup and view all the answers

Why do primary dentition teeth have a higher frequency of displacement injuries compared to permanent teeth?

Increased elasticity and resilience of bony support (C) Signup and view all the answers

What is the recommended treatment for an intruded primary tooth with incomplete root development?

Re-position the tooth atraumatically and stabilize with a nonrigid splint (B) Signup and view all the answers

Which type of injury involves the partial displacement of the tooth out of the socket with lingual deviation of the crown?

Extrusive luxation (C) Signup and view all the answers

What treatment should be initiated in cases of complete root development with closed apices after an intrusive luxation injury?

Re-positioning of the tooth and stabilization with a nonrigid splint (C) Signup and view all the answers

What is a common consequence of an intrusive luxation injury?

Pulp necrosis (B) Signup and view all the answers

What does an orthodontic extruding appliance aim to achieve in the treatment of an intruded tooth?

Facilitate re-eruption of the intruded tooth (C) Signup and view all the answers

What is a radiographic finding associated with extrusive luxation?

Widened PDL space (C) Signup and view all the answers

What is the initial treatment for a tooth that has been extruded from its socket?

Placing the tooth back into the proper position and checking occlusion (C) Signup and view all the answers

What radiographic sign is commonly seen in displaced teeth?

Widening of the periodontal ligament space in the apical direction (A) Signup and view all the answers

What is a common complication that can arise if a displaced tooth is not repositioned properly?

Root resorption (A) Signup and view all the answers

In cases of displacement, what should be done before soft tissue repair?

Reestablishing preinjury occlusion (C) Signup and view all the answers

What is the recommended duration for applying a nonrigid splint after manipulation of a displaced tooth back into the socket?

2-8 weeks (B) Signup and view all the answers

When is immediate endodontic therapy necessary in cases of dental trauma?

If signs of pulp necrosis are present (B) Signup and view all the answers