Understanding Oral Lichen Planus. Oral lichen planus can occur anywhere inside the mouth, but is usually seen on the inside of the cheeks and appears as thin white lines, patches, or dots. It is most common between the ages of 30 and 60. While it appears in about one to two percent of the population, women get oral lichen planus twice as often as men.
Visit www .collegeboard .org/ap/creditpolicy to view AP credit and placement policies. at more than 1,000 colleges and universities . Performing well on an AP Exam means more than just the successful completion of. a course; it is a gateway to success in college .
Advanced Placement Chemistry (AP Chemistry or AP Chem) is a course and examination offered by the College Board as a part of the Advanced Placement Program to give American and Canadian high school students the opportunity to demonstrate their abilities and earn college-level credit.February 2015). The annual AP Chemistry examination, which is typically administered in May, is divided into two major sections (multiple-choice questions and free response essays).