Pathogenesis and Cyst Formation Process Quiz
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Questions and Answers

What is the process that leads to the apoptosis of epithelial cells within a cyst?

  • Formation of osteoclasts
  • Laying down of bone by osteoblasts
  • Centripetal growth
  • Nutrient deprivation (correct)

What triggers the formation of a solid ball of epithelial cells within the connective tissue?

  • Presence of fluid
  • Inflammation (correct)
  • Osteoblast stimulation
  • Osteoclast activity

What results in the increase in size of a cyst due to the creation of hydrostatic pressure?

  • Fragmentation of epithelial cells
  • Apoptosis of central cells
  • Sucking in fluid due to an osmotic gradient (correct)
  • Nutrient deprivation

What stimulates osteoclasts to resorb bone in the context of cyst growth?

<p>Centrifugal expansile growth (D)</p> Signup and view all the answers

What forms the corticated margin around a growing cyst?

<p>Compressed fibrous capsule (D)</p> Signup and view all the answers

Which tissues can odontogenic cysts and tumors arise from?

<p>Enamel organ and dental follicle (A)</p> Signup and view all the answers

What may happen if an asymptomatic cyst becomes secondarily infected?

<p>It may lose its classic radiographic appearance (D)</p> Signup and view all the answers

What is likely to occur if a cyst extends into the mandibular ramus based on the text?

<p>General rules about the cyst's behavior may not apply. (C)</p> Signup and view all the answers

What radiographic changes may be seen in MRONJ Stage 1?

<p>Areas of osteosclerosis (B)</p> Signup and view all the answers

How do patients with MRONJ Stage 2 typically present?

<p>With exposure of bone and active infection (A)</p> Signup and view all the answers

What is a common mistake made in diagnosing MRONJ Stage 0?

<p>Mistaking changes for periapical infection (B)</p> Signup and view all the answers

What is a recommended treatment for MRONJ Stage 1?

<p>Microbial rinses like 0.12% CHX gluconate (C)</p> Signup and view all the answers

In MRONJ Stage 2, what may be considered if the disease is progressive despite initial treatment?

<p>Aggressive surgical intervention (D)</p> Signup and view all the answers

What is a distinguishing feature of MRONJ Stage 2 compared to Stage 1?

<p>Presence of pain, pus, and lymphadenopathy (A)</p> Signup and view all the answers

Which type of therapy may be considered for MRONJ Stage 2 to reduce colonized organisms?

<p>Operative therapy (A)</p> Signup and view all the answers

What new evidence is emerging regarding MRONJ patients who can tolerate surgical intervention?

<p>'More evidence is demonstrating that surgical intervention can be quite successful' (B)</p> Signup and view all the answers

What is a distinguishing feature of an epidermoid cyst compared to a dermoid cyst?

<p>Absence of adnexal structures in the cyst wall (D)</p> Signup and view all the answers

Which type of odontogenic tumours are classified based on cells of both enamel organ and dental papilla?

<p>Mixed Tumours (A)</p> Signup and view all the answers

What is a general characteristic of odontogenic tumours?

<p>Usually benign (B)</p> Signup and view all the answers

Which type of cyst has a prominent granular cell layer?

<p>Epidermoid cyst (C)</p> Signup and view all the answers

What is a typical clinical presentation of odontogenic tumours?

<p>Similar to that observed for odontogenic cysts (B)</p> Signup and view all the answers

What is the primary treatment approach for epidermoid and dermoid cysts?

<p>Surgical removal (C)</p> Signup and view all the answers

Which statement about odontogenic tumours is NOT true?

<p>&quot;They frequently transform into squamous cell carcinoma&quot; (A)</p> Signup and view all the answers

What distinguishes odontogenic tumours that present as multilocular lesions from other tumours?

<p>&quot;Strong propensity to present as multilocular lesions&quot; (C)</p> Signup and view all the answers

What is the most common site for a unicystic ameloblastoma?

<p>Posterior mandible (D)</p> Signup and view all the answers

Which type of ameloblastoma has a low recurrence rate and can be treated with enucleation?

<p>Unicystic ameloblastoma (C)</p> Signup and view all the answers

Which demographic group has a strong female predilection for Adenomatoid Odontogenic Tumour?

<p>Teenagers (D)</p> Signup and view all the answers

What is a common radiographic presentation of Adenomatoid Odontogenic Tumour at the beginning?

<p>Initial radiolucent flocculent opacities (B)</p> Signup and view all the answers

Which variant of Unicystic Ameloblastoma shows a plexiform growth pattern in the odontogenic epithelium?

<p>Luminal (B)</p> Signup and view all the answers

What treatment is recommended for conventional ameloblastomas to reduce recurrence rates?

<p>En bloc resection (D)</p> Signup and view all the answers

What is the rule of 2/3 associated with the clinical presentation of Adenomatoid Odontogenic Tumour?

<p>2/3 females, 2/3 maxilla, 2/3 unerupted root (A)</p> Signup and view all the answers

'Unicystic Ameloblastoma island is like an inverted dental organ' - What does 'reverse polarization' mean in this context?

<p>'Ameloblastoma-like cells are on the periphery' (C)</p> Signup and view all the answers

What is a characteristic feature of Torus Mandibularis?

<p>Overlying mucosa is thin (D)</p> Signup and view all the answers

What is a common biological behavior of Torus Mandibularis?

<p>Possible enlargement causing periodontitis (C)</p> Signup and view all the answers

What is the most common treatment approach for Torus Mandibularis?

<p>Regular monitoring without any intervention (B)</p> Signup and view all the answers

Which population group is more commonly affected by Torus Mandibularis?

<p>Asians (A)</p> Signup and view all the answers

What is a distinguishing feature of Traumatic/Reactive Bony Exostoses?

<p>Respond to bruxism (D)</p> Signup and view all the answers

What is a common clinical presentation of Traumatic/Reactive Bony Exostoses?

<p>Facial bony masses over root region (D)</p> Signup and view all the answers

What is the usual biological behavior of Traumatic/Reactive Bony Exostoses?

<p>Potential cause of periodontal issues (C)</p> Signup and view all the answers

Which branch of the nervous system is the main stimulus for salivation?

<p>Parasympathetic branch (C)</p> Signup and view all the answers

What neurotransmitter is released by parasympathetic fibers to stimulate salivary glands?

<p>Acetylcholine (Ach) (C)</p> Signup and view all the answers

Which disease is characterized by immune-mediated and systemic effects, affecting salivary glands?

<p>Sjogren Syndrome (D)</p> Signup and view all the answers

Which nerve plays a role in relaying sensory signals from taste buds?

<p>Facial nerve (CN VII) (C)</p> Signup and view all the answers

Which neurotransmitter binds to alpha-adrenergic receptors in the salivary glands, leading to a lower flow rate of saliva?

<p>Norepinephrine (B)</p> Signup and view all the answers

What is a characteristic feature of necrotizing sialo metaplasia, a salivary gland disease?

<p>Trauma-related origin (B)</p> Signup and view all the answers

What type of saliva is produced by the parasympathetic branch stimulation compared to the sympathetic branch stimulation?

<p>Watery, electrolyte, and enzyme-rich saliva by parasympathetic branch stimulation (C)</p> Signup and view all the answers

What is the typical clinical presentation of sialalithiasis in the salivary glands?

<p>Intermittent pain and swelling during meals (A)</p> Signup and view all the answers

What is the main cause of sialalithiasis (sialoliths) in the salivary ducts?

<p>Deposition of calcium salts from saliva on debris (D)</p> Signup and view all the answers

Which salivary gland is most commonly affected by sialalithiasis?

<p>Submandibular gland (C)</p> Signup and view all the answers

What distinguishes a sialolith in the submandibular gland from those in minor salivary glands?

<p>Sessile yellow mass formation (B)</p> Signup and view all the answers

How do sialoliths primarily affect the salivary glands?

<p>By blocking salivary ducts (D)</p> Signup and view all the answers

Where are sialoliths typically found within the salivary gland ducts?

<p>Near the gland opening (C)</p> Signup and view all the answers

What can be inferred about sialoliths that can occur within the salivary glands themselves?

<p>They can be found in both major and minor salivary glands (A)</p> Signup and view all the answers

What differentiates palpable nodularity of minor salivary glands from that of submandibular glands?

<p>'Bumps' in minor glands vs. distinct size difference in submandibular glands (C)</p> Signup and view all the answers

What is a key factor that can lead to recurrence even after proper surgical excision of a mucocele?

<p>Damage to adjacent salivary ducts (B)</p> Signup and view all the answers

What is the specialized term for a mucocele that arises specifically in the floor of the mouth?

<p>Ranula (B)</p> Signup and view all the answers

How does a plunging ranula differ from a conventional ranula in its presentation?

<p>Mucus drainage extends all the way down to the neck and pericardial area (C)</p> Signup and view all the answers

What is a distinguishing feature of a salivary duct cyst compared to a mucocele?

<p>Dilation of duct due to mucus plug or stone causing backup pressure (A)</p> Signup and view all the answers

What kind of epithelium lines a true cyst formed from a salivary duct cyst?

<p>Squamous epithelium (B)</p> Signup and view all the answers

What is the recommended management approach for a small sialolith in a patent submandibular gland duct?

<p>Gentle massage of the gland (D)</p> Signup and view all the answers

What does a mucocele differ from a salivary duct cyst in terms of its lining?

<p>Granulation tissue (C)</p> Signup and view all the answers

Which clinical presentation is characteristic of a mucocele?

<p>Translucent smooth nodule in the lower lip mucosa (B)</p> Signup and view all the answers

What is one way to differentiate between a congenital ranula and a plunging ranula based on their clinical presentation?

<p>Mucus enlargement with each meal and subsequent regression (B)</p> Signup and view all the answers

What histopathological feature distinguishes a mucocele from a cyst?

<p>Submucosal pool of spilled mucus (C)</p> Signup and view all the answers

What histopathological feature distinguishes a mucocele from a salivary duct cyst?

<p>(pseudocyst) lined by granulation tissue (A)</p> Signup and view all the answers

What treatment approach for mucoceles is not effective according to the text?

<p>Surgical drainage (C)</p> Signup and view all the answers

Which intervention would be most appropriate if a sialolith persists and causes pain or enlarges?

<p>Referral to an oral surgeon (B)</p> Signup and view all the answers

What triggers the lesion to 'inflate' and 'deflate' in the case of a mucocele?

<p>Macrophages resorbing mucus followed by mucus production by the gland (D)</p> Signup and view all the answers

Which procedure is NOT available in nonsurgical management for sialoliths according to the text?

<p>Surgical retrieval of the stone (B)</p> Signup and view all the answers

'Ruptured salivary duct spills saliva into tissues' describes which condition according to the text?

<p>Mucocele (D)</p> Signup and view all the answers

What is a common symptom associated with trigeminal nerve involvement in patients with lymphomas?

<p>Facial numbness (D)</p> Signup and view all the answers

Which of the following is a recommended treatment for managing xerostomia in patients with sialadenosis?

<p>Pilocarpine (D)</p> Signup and view all the answers

What type of lymphoma is most commonly associated with a risk of progression in patients?

<p>MALT lymphoma (D)</p> Signup and view all the answers

In sialadenosis, what leads to the enlargement of the salivary glands?

<p>Autonomic nerve disruption (D)</p> Signup and view all the answers

Which treatment approach is NOT recommended for managing oral stomatitis (burning mouth) in patients?

<p>Pilocarpine (B)</p> Signup and view all the answers

How does sialadenosis differ from Sjogren’s Syndrome clinically?

<p>Sialadenosis is inflammatory in nature (D)</p> Signup and view all the answers

What should be monitored closely in patients with systemic lupus erythematosus and trigeminal nerve manifestations?

<p>Signs of candidiasis (A)</p> Signup and view all the answers

Which symptom is NOT typically associated with trigeminal nerve involvement in patients?

<p>Facial pain (A)</p> Signup and view all the answers

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