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| F | Facial means the outer surface of a tooth, which rests against the lips or cheeks. Filling is the materials, such as alloy, metal, plastic or porcelain, which is used for the restoring of the structure of lost tooth. Filtrum is the indentation or the dimple, which is located under the nose and right above the upper lip. Fissure is the term, which is used to describe the cleft – like grooves in the chewing surface of the molar teeth. Fistula is called the abnormally huge passage, which gets formed in the gum tissue, and through which an abscessed tooth can drain. Fixed Appliances is the kind of an orthodontic device, which is also known as braces. It is boned to the teeth with aim of producing of different tooth movements and of helping to change the wrong positions of teeth. Fixed Partial Denture is the kind of a prosthetic replacement of one or move missing teeth cemented or attached to the abutment teeth or implant abutments adjacent to the space. Flexion is the tooth shape abnormality, when there is the bend, which is usually less than 90 degrees in place of the tooth root. This condition usually occurs in the result of some trauma, and it can affect any type of teeth, primary teeth as well as permanent ones. Fluoride is the name of an active toothpaste ingredient, which is used to prevent teeth decay. Fluorosis is the phenomenon of the enamel discoloration, which usually occurs because of an excessive fluoride absorption into the bloodstream. This phenomenon is also called enamel mottling. Foramen is how an opening in bone is called. Fornex is something, which has the shape of an arch. Fossa is the term, which is used to describe a shallow depression, present on lingual (tongue) surfaces of some front teeth. Fracture is the breaking of a tooth. Free Gingival is the name of the marginal part of the gums, which can be deflected from the surface of the tooth, and which surrounds the tooth like a collar. Frenectomy is the process, as well as the result of frenum removal. Frenum is the name of muscle fibers, which are covered by a mucous membrane that attaches the cheek, lips and / or tongue to associated dental mucosa. Front Teeth or cutting teeth are the teeth, located at the very front of the lower and the upper jaws. These teeth are also called the incisors or the anterior teeth. Their surfaces are quite flat. As for the very front teeth, located at the lower and the upper jaws, they are called the central teeth, while those, located next to them, are called lateral incisors. Normally there are 8 front teeth in every healthy adult person’s mouth. Full Mouth X – Rays is the kind of X – rays series, which show roots and crowns of all the teeth, including 14 periapicals and 4 bitewings. In addition the alveolar bone around these teeth are also possible to be seen. Furcation is the name of an area, where the tooth root divides. Fusion is the kind of teeth shape abnormality, when teeth get joined together and form a single root. If the tooth fusion process begins from the very formation of the teeth, then the whole tooth ends up being united to the other teeth, though, when it happens later, it is possible that only the teeth roots may be influenced. This condition is considered to be the contrary one of the gemination.
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