Practitioners are frequently faced with tooth eruption anomalies during the gradual
emergence of complete adult dentition, and notably disorders related to tooth impaction
(Hurme et al. 1949). This process, which affects deciduous, permanent and supernumerary
teeth, is thought, apart from more general causes, to stem from a breakdown in the
dynamics of eruption as a result of numerous different factors (Rajic et al. 1996) among
whchi we can cite the following: