Oral Pathology Test 1 Flashcards
What forms the primary palate?
Merger of the medial nasal processes
What forms the secondary palate?
Maxillary processes of the first branchial arches
What is the rule of 10’s?
10 weeks, 10 pounds, 10 g % HM
What form of cleft lip/palate is most common non-syndromically?
Both
What form of cleft lip/palate is most common syndromically?
Cleft palate only
What three symptoms are typically present in Pierre Robin Syndrome?
- CP, 2. Mandibular micrognathia and 3. Glossoptosis
What causes a lateral facial cleft?
Failure of the maxillary and mandibular processes to fuse
What causes an oblique facial cleft?
Failure of fusion of the maxillary process with the lateral nasal process
What causes a median cleft of the upper lip?
Failure of the fusion of the medial nasal processes
What is the prevalence of facial clefting in Native Americans?
1:250
What is the prevalence of facial clefting in Asians?
1:300
What is the prevalence of facial clefting in Whites?
1:700
What is the prevalence of facial clefting in African Americans?
1:1500
What form of clefting is most common in males?
Both
What form of clefting is most common in females?
Cleft palate only
What is it called when the palate has a small area that fails to fuse that is covered with gingival tissue?
Submucous palatal cleft
What is it called when you have “dimples” in the corners of your mouth?
Commissural lip pits
What is it called when you have “dimples” in the middle of your lower lip?
Paramedian lip pits
What syndrome is associated with “dimples” in the middle of your lower lip?
Van der Woude syndrome
What three things are important to remember about the syndrome that causes “dimples” in the lower lip?
- Autosomal dominant, 2. CL + CP and 3. Most common form of syndromic clefting
What are the three symptoms indicative of Ascher syndrome?
- Double lip, 2. Blepharochalasis and 3. Nontoxic thyroid enlargement
What are sebaceous glands on the lips known as?
Fordyce granules
What would the diagnosis be if the patient exhibits white lesions found bilaterally on the buccal mucosa that do not rub off, but disappear when the cheek is stretched?
Leukoedema
What group is especially likely to have white lesions on the buccal mucosa that do not rub off, but disappear when the cheek is stretched?
African Americans
What two things are the main cause of macroglossia?
- Vascular malformations and 2. Muscular hypertrophy
What group experiences macroglossia more than any other?
Children
What syndrome is associated with macroglossia?
Beckwith-Wiedmann syndrome
Should a bulge be present on the patient’s tongue between the middle 2/3 and the back 1/3, what is it likely?
Lingual Thyroid
What are the two names of cracks covering the tongue?
- Fissure tongue and 2. Scrotal tongue
What two names are associated with the syndrome that is characterized by inflammation that spreads around the tongue frequently?
- Geographic tongue and 2. Erythema migrans
Coronoid hyperplasia causes the jaw to deviate which way?
Towards the affected side
Condylar hyperplasia causes the jaw to deviate which way?
Towards the unaffected side
What is it called when a salivary gland gets “stuck” in the mandible?
Stafne defect
What is a cyst?
A pathologic cavity lined by epithelium
In the very rare case that you have a radiolucency in the maxilla, what are the two most likely culprits?
- Radicular cysts and 2. periapical granulomas
Between which two teeth would one likely find a globulomaxillary radiolucency?
Maxillary lateral incisor and canine
What is the most common non-odontogenic cyst of the oral cavity?
Nasopalatine duct cyst
What is the well-circumscribed radiolucency measurement that marks a cyst from a normal incisive canal?
6 mm
What is the name given to the benign, cystic form of teratoma that is lined by epidermis-like epithelium and contains adnexal structures?
Dermoid cyst
Where do dermoid cysts occur?
At the midline with swelling in the floor of the mouth (FOM)
What presents as a white or yellow, asymptomatic, submucosal mass less than a cm in diameter?
Lymphoepithelial cyst
What is Waldeyer’s ring?
The area from the palatine tonsils to the lingual tonsils to the pharyngeal adenoids
What is the progressive atrophy of one side of the face called?
Progressive hemifacial atrophy
What bacteria is associated with atrophy of one side of the face?
Borelia sp. (Lyme disease)
What is the syndrome associated with syndactyly of 2nd, 3rd, and 4th digits, mental retardation and trapezoid shape lips?
Apert syndrome
What is the term that is synonymous with treacher-collins syndrome?
Mandibulofacial dysostosis
What goes wrong in treacher-collins syndrome during development?
The first and second branchial arches have defects
What is the term given to enamel defects formed in permanent teeth due to the periapical inflammatory disease of the overlying deciduous tooth?
Turner’s hypoplasia/tooth
What permanent tooth is particularly in danger in the case of periapical inflammatory disease present in the overlying deciduous tooth?
Permanent bicuspids
What are the two affects of congenital syphilis on teeth?
- Hutchinson’s incisors (screwdriver shaped) and 2. Mulberry molars
What three symptoms make up Hutchinson’s Triad?
- Hutchinson’s teeth, 2. Interstital keratitis (corneal scarring) and 3. 8th nerve deafness
What is a prominent feature of congenital syphilis often exhibited by patients?
Saddle nose
What is the term for tooth wear from tooth-tooth contact (bruxism)?
Attrition