Determination of placement of anterior teeth in removable dental prostheses

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The aim of this paper was to present methods of placement of artificial anterior teeth in edentulous individuals. The following review takes account of the majority of papers published during the last 100 years. The review has been divided into sections regarding the method used to determine the position of artificial anterior teeth. Gysi (1895-1920) produced the first scientific theory about the position of artificial anterior teeth. The aim of this theory is to find the most natural position for artificial anterior teeth for each individual. Camper's "face angle" as a physiognomic criterion, has been introduced in papers of Wehrli (1961), Marxhors (1966). Tanzer (1968). Lombardi (1973). Important names in the field of dental esthetics are: Schn and Singer (1961), Arnheim (1965), Krajicek (1969), Tanzer (1968), Lombardi (1973), Goldstein (1976). They have introduced principes of visual aspects for selection of contours, dimension and position of artificial anterior teeth. Flagg (1880), Williams (1913) and Hrauf (1957, 1958), have considered body constitution and individual characteristics regarding position of artifical anterior teeth. In 1971, Maxhors pointed to the fact that the position of artificial teeth corresponds with the function of the surrounding soft tissue and from the aspect of physiognomy as well. According to Silverman (1962) artificial anterior teeth are nearest when we pronounce the sound "S". Rayson (1970), Watson (1989), Strajnić Lj. (1999), Bassi F. (2001) have presented cephalometric radiographic analyses of natural anterior teeth compared with cephalometric radiographic analyses of artificial anterior teeth. A review of dental literature shows several factors suggesting modalities which should determine the position of artificial anterior teeth. Numerous methods have been designed for evaluation of the position of artificial anterior teeth. However, there is no universally reliable method regarding determination of the position of artificial anterior teeth.