Palmer notation or afterwards; hence 3/ is ┘ and /5 is ┌ Daniel Johnson has put together a Palmer Tooth Notation TrueType font called FreePalmer. It can be downloaded: handwritten Palmer tooth notations is available for download as well One advantage of Palmer notation is that it can produce a very graphical image, akin to a 'map' of the dentition; tooth transpositions or edentulous spaces can easily be depicted if desired. It would also be feasible to introduce additional alphabetic characters or other symbols, for example to denote supernumerary teeth or bridge pontics, to which a purely numerical method such as the
Palmer notation FDI system does not lend itself easily. The Danish dentist Victor Haderup devised a variation of the Palmer notation where the (┘└ ┐┌) symbols are replaced by plus/minus signs, which can either be placed in front or behind the number. A plus (+) indicates upper position while minus (-) indicates lower. When the sign is in front of the number, it indicates left while after it indicates right. For instance -6 indicates the 6th lower left tooth, i.e. first mandibular molar. Palmer notation Palmer notation (named after Ohio dentist Dr. Corydon Palmer) is a dental notation used by dentists to