Skip to main content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
Complete Teeth by Science Olympiad Student Center
The teeth chew and break down the food mechanically.
* An child has 20 deciduous teeth while an adult has 32 permanent teeth.
* They erupt at different age and mature around when they reach age 13.
* There are four types of teeth: Incisors, canines, premolars, and molars.
Cross Section of Tooth by Science Olympiad Student Center
Teeth consist of the crown, the neck, and the root.
* The crown is the upper surface of the tooth. Bumps on the crown are called cusps.
* The neck is the region under the crown, but above the alveolar bone.
* The root is the region inside the alveolar bone.
Dental Hygiene Videos
Dental Hygienist (RDH) (02:54)
Duties of an RDH include removing plaque and calculus from teeth, and polishing and flossing teeth. An RDH helps the dentist diagnose gum disease and cavities by taking and developing x-rays. An RDH must graduate from dental hygiene school and be licensed by the state.
Dental Hygienist: Career Advantages
The work schedule of a dental hygienist is fixed for the most part. Work satisfaction is immediate. Other settings may allow for flexible hours or part- or full-time work.
Dental Hygienist: Duties and Work Settings
Dental hygienists (DH), under the supervision of a doctor, help keep people's teeth and gums healthy by performing dental and therapeutic treatment. Most DHs work in private dental offices, but some work in research or as product reps, and more.
Structure and Function of Teeth
Teeth are multilayered with enamel, dentin, and dental pulp, which forms the core of a tooth and is filled with capillaries and nerve endings. Teeth are connected to the jaw by periodontal membranes.
Importance of Mouth, Jaws, and Teeth
An infant human uses its mouth solely for eating and communicating. At birth human lips and tongues are highly developed. Temporary teeth are lost as permanent teeth move in to replace them
Teeth naturally decay, even when eating a healthy diet and brushing regularly. Drinking cold water causes pain and may alert someone of decay they are unaware of.
Dental Care for Kids
Nothing can warm a parent’s heart like a child’s smile. But that beautiful smile needs help. Dental Care for Kids is an adult’s guide to children’s teeth: how they develop, the care they need, and the diseases that can spoil a child’s mouth. It gives useful information about proper dental care from the prenatal period through the development of primary teeth until permanent teeth come in. This program covers proper eating habits, brushing and flossing techniques, and when to visit your dentist. Parents, caregivers, educators, and anyone involved in child care is sure to benefit from this excellent program that helps children develop healthy teeth to last a lifetime.
Oral Assessment and Dental Diseases in the Elderly
Proper dental evaluations and hygiene are vital aspects of caring for an elderly client. Neglecting signs of oral health puts patients at risk for heart disease as well as more common problems like halitosis (bad breath), which can be embarrassing and could cause social and psychological problems. This program discusses specific conditions and diseases of the mouth, provides nursing and health care assistants with the procedures necessary for completing an oral exam, and presents ways to take action against oral problems. Viewers will learn how to recognize and manage a wide range of dental issues, including sores, dry mouth, problematic dentures, and oral cancer.
Symptoms of Gum Disease
Symptoms of periodontitis, or gum disease, include bleeding gums, bad breath, painful chewing, loose teeth, and the presence of pus. The early stages of the disease may not produce symptoms.
Modern Toothpastes and Gels
Toothpaste dates back to the Egyptians. The first modern tooth cleaning products were powders. Toothpastes arrived during the Victorian era. The first collapsible tube came in 1892. By mid 20th century Colgate was at the top of the industry.