Abrasion: The loss of tooth structure caused by a hard toothbrush, poor brushing technique, or Bruxism (grinding or clenching the teeth).
Abscess: A localized infection in the bone or soft gum tissues, usually at the end of the root tip.
Abutment: The natural tooth that holds in place a fixed or removable bridge.
Air Abrasion: Tiny particles of aluminum oxide blasted in a stream of water at the tooth to remove the decayed debris and ruined enamel of cavities.
Allergy: Unfavorable systemic response to a foreign substance or drug.
Alveolar Bone: The jaw bone that anchors the roots of teeth.
Amalgam: The most common filling material used for fillings, also referred to as mercury or silver.
Analgesia: A state of pain relief; an agent to lessen pain.
Anesthesia: Relieves the sensation of pain. See General Anesthesia, IV Sedation and Local Anesthesia.
Anterior Teeth: The six upper or six lower front teeth.
Antibiotic: A drug that stops or slows the growth of bacteria.
Apex: The tip of the root of a tooth.
Apicoectomy: The surgical removal of the root tip to treat a dead tooth.
Arch: Describes the alignment of the upper or lower teeth.
Association: A group. Often, associations can offer individual health insurance plans specially designed for their members.
Attrition: Loss of structure due to natural wear.
Autoclave: A device that has a chamber where instruments are placed and steam under pressure is injected, in order to complete sterilization.