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espanolLa resorcion externa por presion (RREP) consiste en una perdida de tejido dentinario y cementario de las raices dentarias que se origina a nivel del ligamento periodontal, ocasionada por presiones prolongadas y mantenidas sobre la raiz. Presentamos tres casos con diferente repercusion y tratamiento. Segun el distinto grado de afectacion se describe y clasifica el tratamiento de RREP a causa de dientes impactados. En cuanto a la restauracion de RREP se perfila la cavidad clase V de diseno 5 y el empleo de cermet o amalgamas de plata para su relleno. EnglishPressure external root resorption (PERR) is a loss of dental root tissues (dentine and cementum) that begin in the periodontal area caused by a impacted teeth. We show three cases with differents clinical situations and therapeutical aspects. Pulpal injurie and difficulty in the post-endodontic cavity acces are characteristiques of these processes. Depending on the level of tissue destruction we discusse the therapeutical orientation in each case. Some treatments like class V type 5 cavities or fillings with cermet glass-ionomer in the more atipical situations (generally after an endodontic treatment) are a good choice in these situations.

Consideraciones clínicas sobre la resorción radicular externa por impactación dentaria