Tag: dental school

The Posterior Superior Alveolar Nerve and How to Properly Anesthetize it

What does the posterior superior alveolar nerve innervate? The posterior superior alveolar nerve (PSA) is a division of the trigeminal nerve (cranial nerve V). The trigeminal nerve is separated into three major branches – V1, V2, and V3. The V2 branch is known as… Continue Reading “The Posterior Superior Alveolar Nerve and How to Properly Anesthetize it”

Dr. Angle’s Orthodontic Classification

Who was Dr. Angle? Considered the ‘father of orthodontics,’ Dr. Angle was the first to develop a classification system for orthodontics. According to Dr. Angle, the first molars were the foundation of the arches. The classification system therefore is based off the relationship between… Continue Reading “Dr. Angle’s Orthodontic Classification”

The Evolution of Periodontal Disease

What is gum disease? There are multiple types of gum disease, but we will focus on two of the most common – gingivitis and chronic periodontitis. Gingivitis is a plaque-induced disease of the gums where inflammation is present. Plaque is a material that is… Continue Reading “The Evolution of Periodontal Disease”

Lichen Planus and its Association with Hypothyroidism

What is oral lichen planus? Lichen planus is a common dermatologic disease that affects the oral mucosa caused by an overreaction of T lymphocytes in the immune system. Most patients that present with lichen planus are middle aged, and are more commonly female. The… Continue Reading “Lichen Planus and its Association with Hypothyroidism”