Pathogenesis and Cyst Formation Process Quiz

Play an AI-generated podcast conversation about this lesson

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?

Centrifugal expansile growth Signup and view all the answers

What forms the corticated margin around a growing cyst?

Compressed fibrous capsule Signup and view all the answers

Which tissues can odontogenic cysts and tumors arise from?

Enamel organ and dental follicle Signup and view all the answers

What may happen if an asymptomatic cyst becomes secondarily infected?

It may lose its classic radiographic appearance Signup and view all the answers

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

General rules about the cyst's behavior may not apply. Signup and view all the answers

What radiographic changes may be seen in MRONJ Stage 1?

Areas of osteosclerosis Signup and view all the answers

How do patients with MRONJ Stage 2 typically present?

With exposure of bone and active infection Signup and view all the answers

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

Mistaking changes for periapical infection Signup and view all the answers

What is a recommended treatment for MRONJ Stage 1?

Microbial rinses like 0.12% CHX gluconate Signup and view all the answers

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

Aggressive surgical intervention Signup and view all the answers

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

Presence of pain, pus, and lymphadenopathy Signup and view all the answers

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

Operative therapy Signup and view all the answers

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

'More evidence is demonstrating that surgical intervention can be quite successful' Signup and view all the answers

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

Absence of adnexal structures in the cyst wall Signup and view all the answers

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

Mixed Tumours Signup and view all the answers

What is a general characteristic of odontogenic tumours?

Usually benign Signup and view all the answers

Which type of cyst has a prominent granular cell layer?

Epidermoid cyst Signup and view all the answers

What is a typical clinical presentation of odontogenic tumours?

Similar to that observed for odontogenic cysts Signup and view all the answers

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

Surgical removal Signup and view all the answers

Which statement about odontogenic tumours is NOT true?

"They frequently transform into squamous cell carcinoma" Signup and view all the answers

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

"Strong propensity to present as multilocular lesions" Signup and view all the answers

What is the most common site for a unicystic ameloblastoma?

Posterior mandible Signup and view all the answers

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

Unicystic ameloblastoma Signup and view all the answers

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

Teenagers Signup and view all the answers

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

Initial radiolucent flocculent opacities Signup and view all the answers

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

Luminal Signup and view all the answers

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

En bloc resection Signup and view all the answers

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

2/3 females, 2/3 maxilla, 2/3 unerupted root Signup and view all the answers

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

'Ameloblastoma-like cells are on the periphery' Signup and view all the answers

What is a characteristic feature of Torus Mandibularis?

Overlying mucosa is thin Signup and view all the answers

What is a common biological behavior of Torus Mandibularis?

Possible enlargement causing periodontitis Signup and view all the answers

What is the most common treatment approach for Torus Mandibularis?

Regular monitoring without any intervention Signup and view all the answers

Which population group is more commonly affected by Torus Mandibularis?

Asians Signup and view all the answers

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

Respond to bruxism Signup and view all the answers

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

Facial bony masses over root region Signup and view all the answers

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

Potential cause of periodontal issues Signup and view all the answers

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

Parasympathetic branch Signup and view all the answers

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

Acetylcholine (Ach) Signup and view all the answers

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

Sjogren Syndrome Signup and view all the answers

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

Facial nerve (CN VII) 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?

Norepinephrine Signup and view all the answers

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

Trauma-related origin Signup and view all the answers

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

Watery, electrolyte, and enzyme-rich saliva by parasympathetic branch stimulation Signup and view all the answers

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

Intermittent pain and swelling during meals Signup and view all the answers

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

Deposition of calcium salts from saliva on debris Signup and view all the answers

Which salivary gland is most commonly affected by sialalithiasis?

Submandibular gland Signup and view all the answers

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

Sessile yellow mass formation Signup and view all the answers

How do sialoliths primarily affect the salivary glands?

By blocking salivary ducts Signup and view all the answers

Where are sialoliths typically found within the salivary gland ducts?

Near the gland opening Signup and view all the answers

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

They can be found in both major and minor salivary glands Signup and view all the answers

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

'Bumps' in minor glands vs. distinct size difference in submandibular glands Signup and view all the answers

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

Damage to adjacent salivary ducts Signup and view all the answers

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

Ranula Signup and view all the answers

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

Mucus drainage extends all the way down to the neck and pericardial area Signup and view all the answers

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

Dilation of duct due to mucus plug or stone causing backup pressure Signup and view all the answers

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

Squamous epithelium Signup and view all the answers

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

Gentle massage of the gland Signup and view all the answers

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

Granulation tissue Signup and view all the answers

Which clinical presentation is characteristic of a mucocele?

Translucent smooth nodule in the lower lip mucosa 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?

Mucus enlargement with each meal and subsequent regression Signup and view all the answers

What histopathological feature distinguishes a mucocele from a cyst?

Submucosal pool of spilled mucus Signup and view all the answers

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

(pseudocyst) lined by granulation tissue Signup and view all the answers

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

Surgical drainage Signup and view all the answers

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

Referral to an oral surgeon Signup and view all the answers

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

Macrophages resorbing mucus followed by mucus production by the gland Signup and view all the answers

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

Surgical retrieval of the stone Signup and view all the answers

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

Mucocele Signup and view all the answers

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

Facial numbness Signup and view all the answers

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

Pilocarpine Signup and view all the answers

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

MALT lymphoma Signup and view all the answers

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

Autonomic nerve disruption Signup and view all the answers

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