High Yield - Oral Path Flashcards
________ is seen with hypertrophic filiform papilla. ________ is seen with hyperplastic foliate papilla.
Hairy tongue; Lingual tonsil hyperplasia
What disorder involves many apthous ulcers?
Behcet’s syndrome
_______ are pathognumonic for measles.
Koplick spots
What is an epstein pearl?
Seen on palate of children
Cavernous sinus thrombosis can be caused by an infection _______.
in the upper lip (danger triangle)
What are the first signs of CST?
Headaches, blurred vision
What spaces are involved in ludwig angina?
Sublingual, submental, submandibular
Mandibular 2nd molar infection spreads to what space?
Submandibular
What is a distinct characteristic of Treacher Collins?
Malformed ear
Strawberry tongue is seen in what diseas?
Scarlet fever
What is a fordyce granule?
Ectopic sebaceous gland
Most likely cause of Turner’s tooth?
Trauma when young
T/F: Apthous ulcers are normally found on keratinized tissue.
False
Apthous - nonkeratinized
Herpes - free and attached mucosa
What are the major differences between pemphigoid and pemphigus?
Pemphigoid = subepithelial, seperation of basement membrane, ocular lesions Pemphigus = surface lesions (intraepithelial, suprabasilar), localized, skin lesions.
T/F: Pemphigoid and lichen planus are associated with desquamative gingivitis.
True
T/F: Epidermolysis bullosa is most likely seen in adults.
False
Kids
Which virus causes condyloma acuminatum?
HPV 6 and 11
T/F: Candidiasis can be wiped off.
True
What are common places for recurrent herpes?
Lip, gingiva, palate
T/F: Herpes zoster can mimic dental pain.
True
How does acyclovir work?
Inhibits mRNA
T/F: Histoplasmosis can mimic cancer.
True
Which disease can have the complication of herpetic neuralgia?
Herpes Zoster
_______ are often seen near the premolars and grow very rapidly.
Pyogenic granuloma
What is the most common benign neoplasm of epithelial tissue origin? Has cauliflower appearance.
papilloma
Epulis fissuratum most closely resembles a _______.
fibroma
Congenital epulis most closely resembles _______.
granular cell tumor
T/F: Incisional biopsy for leukoplakia.
True
Which type of leukemia is associated with Philadelphia chromosome?
CML
20 year old patient, spontaneously bleeding gums, bruises easily. Diagnosis?
Leukemia
What is the most common leukemia in children?
ALL
Young man with tingling lower lip, diffuse radiating trabeculae with swelling. Diagnosis.
Osteosarcoma
Verrucous carcinoma often is caused by ______.
smokeless tobacco
Most common salivary gland benign tumor?
Pleomorphic adenoma
Most common malignant salivary gland tumor?
Mucoepidermoid carcinoma
Which salivary gland tumors have the best prognosis?
Acinar cell carcinoma, Mixed tumor (pleomorphic adinoma)
Which tumor involves peripheral invasion and looks like swiss cheese?
Adenoid cystic carcinoma
What type of cyst can lead to ameloblastoma?
Dentigerous cyst
What is the most aggressive and most common odontogenic tumor?
Ameloblastoma
Gardner’s syndrome involves multiple _______.
odontomas
Radiograph shows maxillary canine surrounded by mixed radiolucent lesion?
AOT
Panoramic shows many teeth with open contacts and little enamel?
Amelogenesis imperfecta.
Autosomal dominant
What is often seen with osteogenesis imperfecta?
Dentinogenesis imperfecta
T/F: Ectodermal dysplasia is often associated with dentinogenesis hyperplasia.
False
Ectoderm = enamel
Difference between dentinogenesis imperfecta and dentin dysplasia?
DI - Crowns short and bulbous, narrow root, obliterated pulp
DD - Short roots, obliterated pulp, radiolucency, and mobile
Difference between type I and type II dentinal dysplasia?
Type 1 - pulp obliteration
Type 2 - large pulp chamber
T/F: Short roots = dentin dysplasia.
True
T/F: Congenitally missing teeth (oligodontia) are often seen in ectodermal dysplasia.
True
T/F: Blue sclera is seen in osteogenesis imperfecta
True
Bilatteral jaw expansion in kid.
Cherubism
Large radiopacity with ground glass appearence?
Fibrous dysplasia
Cafe-au-lait spots and polyostotic fibrous dysplasia in which disorder?
McCune Albright
What treatment for traumatic bone cyst?
None
Cotton wool appearance in skull and increased alkaline phosphatase?
Paget’s disease
T/F: Paget’s disease has high potential for turning malignant.
True
Can lead to osteosarcoma
Teeth floating in air.
Langerhans histocytosis (Hand Schuller Christian)
Multiple OKCs seen in which disorder?
Gorlin’s syndrome. Nevoid basal cell carcinoma
T/F: OKCs have a high recurrence rate.
True
Multiple osteomas and intestinal polyps.
Gardner’s syndrome
GI polyps can turn malignant
Unilateral facial paralysis.
Bell’s palsy
Best imaging for TMJ?
MRI
Which parts of TMJ responsible for rotation?
Condyle and articulating disk
Football player with tenderness of temporalis and hard to open mouth in morning?
Myofacial pain syndrome
T/F: Erythema multiform and pemphigus both show nikolski sign.
True
What is the most common location for mucocele?
Lower lip
T/F: Ranula is due to trauma.
True
Sialoliths are most commonly associated with which duct?
Submandibular
What is the inverted Y in maxillary radiograph?
Floor of nasal fossa, maxillary sinus
What is another name for antral pseudocyst?
Mucous retention cyst
Describe radiolucency in dentigerous cyst?
From one CEJ to other surrounding crown
What does TB look like in mouth?
Large Ulcer
Oral granulomas, apthous ulcer, rectal bleeding.
Chrohn’s
What is most common nonodontogenic cyst?
Nasopalatine cyst (heart shaped radiograph)
White area cannot be wiped off?
Leukoplakia or white sponge nevus
T/F: White sponge nevus will often be seen on the gingival margin and tongue.
False
Mostly buccal mucosa
What is Carbamazapine use for?
Trigeminal neuralgia
T/F: Actinic cheilitis can lead to SCC.
True
30-50 year old female with mixed lesions on anterior mandible. Teeth are vital.
Cemento osseous dysplasia
What cells are targeted in lichen planus?
T lymphocytes
T/F: Cafe-au-lait spots with neurofibromatosis.
True
Talon cusp seen in _________
dens evagenatus
Warthin tumor is seen in which gland?
Parotid
What is a stafne defect?
Radiolucency seen due to depression in mandible for submandibular gland.
What are other terms for stafne defect?
Stafne bone cyst, salivary inclusion
T/F: Rheumatoid arthritis often accompanies Sjorgrens syndrome.
True
Multiple freckles on lips.
Peutz-Jeghers
First sign of osteosarcoma?
Widening of PDL
Soap bubble (honeycomb) lesion, moves teeth, often seen in posterior mandible.
Odontogenic myxoma
Most of the xray is converted to ____.
heat
Why oil in xray tube?
Cools off anode
Max dose of radiation for dental personel?
50msv/year
What is the purpose of collimater?
Reduce area of exposure, reduce scatter, increase penetrability
What material is used as a filter?
Aluminum
What is the target metal in an xray tube?
Tungsten
What provides the greatest decrease in radiation to patient?
Rectangular collimator
Wide anterior teeth in pan?
Too far back
Very long anterior maxillary teeth in pan.
Chin too far down
Pan has reverse occlusal plane.
Chin to high
What is the pneumbra?
Fuzziness on outside of radiograph. Decreased contrast.
How to avoid problems with pneumbra?
decrease size of focal spot, increase distance to source object, be sure of parallelism
Which xray is most important for maxillary sinus?
Waters, or CT
Radiographic image appears to light.
Underexposed, low mA or short exposure
How does xray damage cells?
Hydrolysis of water molecules
Which cells are least likely to be damaged by xrays?
Muscle
T/F: Multiple myeloma is treated with bisphosphonates
False
T/F: Ortho is contraindicated in pt taking bisphosphonate.
True
Higher KPV = higher _____.
energy (shorter wavelength)
