Calculus is the term, which is used to describe deposits that form on teeth and dentures, which are calcium like.
Canal is the name of a narrow chamber, located inside the tooth root, by which the blood vessels are connected with the nerve tissue.
Canker Sore is the kind of a sore in the mouth cavity, which is whitish and usually with a red halo. As a rule it lasts about two weeks.
Canine Tooth is the term, which is used to describe the tooth, which is the third from the center of the mouth. Normally there are four canines. These teeth are called in this way, because they look much like those, of a dog.
Cantilever Bridge is the kind of a fixed bridge, which gets attached to adjacent teeth only on one end.
Cap is the term, commonly used for dental crown.
Capitation Plan is the kind of plan, in accordance to which the dentist gets contracted with the administrator to provide all dental cervices to people, who are covered under the program in return for the payment of a per – capita basis.
Caries is the term, which is commonly used in medicine to define a tooth decay. Mostly caries occurs in the result of decalcification of the enamel and disintegration of the dentin by some acid producing bacteria. 
Cavity is the decay in tooth, which is caused by caries. This term is also referred to as carious lesion.
Cariogenic is something, which promotes a decay.
Cast is the process as well as the result of reproduction of the mouth in stone or in plaster.
Cement is the type of a dental material, which is applied to seal crowns, inlays and onlays. It may also be used for pulpal protection.
Cementum is the name of a yellowish hard connective tissue, which is applied to cover the tooth root.
Cervical is the term, which is used to describe something, which pertains to the neck of a tooth.
Cervix is the area, where the crown joins the root of the tooth, or where the enamel joins the cementum. It is the very neck of the toot.
Chart is called a log of dental records.
Chemotherapeutic is an agent, which is a chemical by its nature, and which provide an antimicrobial effect.
Clasp is called the metal part of any partial denture, with the help of which it becomes possible to retain, support and / or stabilize the appliance.
Cleaning is the name of a dental procedure, during which plaque and calculus are removed from the teeth, usually above the gum line.
Clenching is the process of clamping and pressing of the jaws and teeth together, which is usually associated with some psychological stress or physical effort.
Closed Panel is the kind of a plan, when the patient can receive all insurance benefits only in case if the services, provided by a dentist are contracted with the administrator of the plan.