Abstract

Upper third molar represents the primary cause of numerous affections of the oral cavity, of maxillaries and of the cervicofacial region. The purpose of this paper is to determine the incidence of lesions that appear at the maxillary third molar. The third molar being the last tooth that erupts in the oral cavity, presents the most frequent pathology of eruption, following the dental maxillary incongruence. The main cause of the pathology of the eruption of the wisdom molar is the absence of space on the level of the alveolar arches consecutively with the phylogenetic regression of the maxillary [1,2]. The upper third molar can remain included, frequently asymptomatic, can present a pathology related to the eruption or, after it is erupted in the oral cavity, can present all the injuries usual at every tooth from the arch, beginning with the dental decay, pulp-periapical injuries, injuries of the marginal parodont and ending with the rest of the radicula. The upper wisdom molar is tributary to the pathology of any other tooth, but it has also its own pathological, individual inheritance. The morphology of the tooth and of the tuberosity maxillary area influences the oral pathology on the level of the upper third molar [3].

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