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Universal numbering system. This is a dental practitioner view, so tooth number 1, the rear upper tooth on the patient's right, appears on the left of the chart. The Universal Numbering System, sometimes called the "American System", is a dental notation system commonly used in the United States. [1] [2]
The FDI World Dental Federation notation ("FDI notation" or "ISO 3950" [1]) is widely used by dental professionals internationally to identify and describe a specific tooth. The FDI notation uses a two-digit numbering system in which the first digit represents a tooth's quadrant and the second digit represents the number of the tooth from the ...
In addition, payment to dental professionals is based on the CDT code(s) reported on the ADA Claim Form, so using the most current codes helps to maximize reimbursement and minimize audit liability. [6] In the near future, dental professionals will be required to use diagnosis codes in support of the procedures and services they provide.
With the move from written dental notes to electronic records, some difficulty in reproducing the symbols has been encountered. [4] On a standard keyboard 'slash' and 'backslash' may be used as a crude approximation to the symbols with numbers placed before or afterwards; hence 3/ is 3 ⏌ and /5 is ⎾ 5 .
Foreign body reactions appear as red or red and white, possibly painful longstanding lesions similar to desquamative gingivitis, or be granulomatous or lichenoid in nature. Tiny particles of dental materials (e.g. abrasive polishing pastes) may become impregnated in the gingival tissues and trigger a chronic inflammatory cell response. [5]
FDI World Dental Federation notation (also "FDI notation" or "ISO 3950 notation") is the world's most commonly used dental notation (tooth numbering system). [ 1 ] [ 2 ] It is designated by the International Organization for Standardization as standard ISO 3950 "Dentistry — Designation system for teeth and areas of the oral cavity".
Code Description 0: No disease (gingival pockets < 3 mm) 1: Bleeding on probing, but gingival pockets < 3 mm 2: Periodontal pocketing < 3mm, but calculus (dental) present with or without plaque retentive factors such as "overhanging" restorations 3: Shallow periodontal pockets 4 - 5.5 mm (i.e. first band on probe partially visible) 4