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