BDS 10029 Temporomandibular Joint Surgery Lecture

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What is the unique characteristic of the temporomandibular joint?

Is not connected to the mandible
Allows only hinge motion
Allows only gliding motion
Allows both hinge and gliding motions (correct)

What is the main purpose of the lecture on temporomandibular joint surgery?

To provide an overview of TMD
To discuss the anatomical features of the TMJ
To understand the indications for surgery of the temporomandibular joint (correct)
To learn about the dental occlusion

What precludes independent movement of the temporomandibular joint?

Capsule and muscles
Dental occlusion (correct)
Shape of the articulation and ligaments
Contralateral joint

What is a general term covering any disorder causing inflammation of the temporomandibular joint?

TMD (D) Signup and view all the answers

Which conditions can affect a person's ability to eat, speak, swallow, chew, and breathe?

Disorders affecting the temporomandibular joint (D) Signup and view all the answers

What connects both joints of the temporomandibular joint?

Mandible (C) Signup and view all the answers

What are the aims of surgery of the temporomandibular joint?

To understand the principle surgical interventions for disease of the temporomandibular joint (C) Signup and view all the answers

What is the main goal of treatment for Temporomandibular Joint Ankylosis?

Relieving upper airway obstruction (D) Signup and view all the answers

What is the purpose of gap arthroplasty in the management of Temporomandibular Joint Ankylosis?

To create a gap to release the ankylosis (D) Signup and view all the answers

In interpositional arthroplasty, what is used as a barrier at the osteotomy site between the two bony ends?

Temporalis muscle fascia (B) Signup and view all the answers

What is the definition of recurrent mandibular dislocation?

Dislocation of the condyle beyond the articular eminence (B) Signup and view all the answers

What is a common precipitating factor for mandibular dislocation?

Wide opening during singing or yawning (C) Signup and view all the answers

What can be a possible etiology of abnormal recurrent mandibular dislocation?

Hyperfunction of the Temporomandibular Joint Musculature (A) Signup and view all the answers

What is the main emergency management for acute mandibular dislocation?

Inferior disimpaction of posterior mandible (C) Signup and view all the answers

What is generally recommended for patients with recurrent TMJ dislocation?

A period of noninvasive management including education regarding avoidance of precipitating events and methods of self-reduction, physiotherapy. (D) Signup and view all the answers

What should be considered in chronic TMJ dislocation (duration greater than 1 month) if reduction is not possible?

Coronoidotomy to release the ankylosis (A) Signup and view all the answers

What is the most common non-infective pain disorder of the orofacial region?

TMJ Dysfunction (D) Signup and view all the answers

What type of conditions can exacerbate TMJ dysfunction?

Parafunctional habits, occlusal anomalies, trauma, and stressful life events. (A) Signup and view all the answers

Which of the following is an absolute indication for open temporomandibular joint (TMJ) surgery?

Recurrent mandibular dislocation (B) Signup and view all the answers

What is the primary indication for arthrocentesis in the management of TMJ disorders?

Management of irreducible anterior disc displacement with acute closed lock of the TMJ (A) Signup and view all the answers

Which condition results in pathological fusion between the glenoid fossa of the temporal bone and the condylar process of the mandible?

TMJ ankylosis (A) Signup and view all the answers

What is the characteristic of anterior disc displacement with reduction?

The disc position becomes displace to an anteromedial position in relationship to the condyle (D) Signup and view all the answers

What is the main purpose of TMJ arthrocentesis and lavage?

Reduction of pain and disability (B) Signup and view all the answers

What is the primary goal of treating Myofascial pain?

Alleviating pain (C) Signup and view all the answers

What is a characteristic feature of Condylar Hyperplasia?

Asymmetrical facial growth (A) Signup and view all the answers

What are the relative indications for open temporomandibular joint (TMJ) surgery?

Inflammatory pathologies in the joint (A) Signup and view all the answers