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Wisdom teeth are molars, also called the third molars. They are located on both the upper and lower jaw, the last molars at the

Occlusion is how the upper and lower teeth fit together (how they align). This is also known as "bite." Perfect bites are rare

Malocclusion is a poor fit (alignment) of the teeth and jaws. An overjet is when the lower teeth are too far behind the upper

Normal blood flow Normally, one-way valves in the veins keep blood flowing to the heart. Blood clot forming A blood clot can form

Pimples form when dead skin cells mix with excess oil (sebum). This mixture plugs the pore, causing swelling. Bacteria can grow in

The nasal sinus cavities are moist, hollow spaces in the bones around your eyes, cheeks, and nose. They are connected to the nasal

Offers step-by-step instructions for preparing and giving single-dose and mixed-dose insulin shots. Includes where on the body to

What is teen substance use? Many teens try substances like alcohol or drugs. Some try them only a few times and stop. Teens who

What is a slipped capital femoral epiphysis? A slipped capital femoral epiphysis occurs when the upper end of the thigh bone

Covers causes of sciatica such as a bulging or ruptured disc, spinal stenosis, and bone spurs. Looks at symptoms such as pain in