. Dans, 87% des cas, il existe une corrélation entre la présence d'une fistule et une ostéite localisée

. Dans-la-littérature, il est conseillé de déposer les implants quand la perte osseuse est trop conséquente ou de réaliser des résections apicales des implants contaminés pour éviter la formation d'ostéomyélite, 2004.

. Au-stade-séreux, trépanation de la dent causale avec traitement conservateur ou avulsion en fonction de l

D. Cas-clinique and . Dr, CURIEN : Madame F. se présente pour une fistule muqueuse en regard de la 14 Une fistulographie permet d'imputer la lésion à la 15 Une résection apicale est entreprise sur la 15 mais la fistule persiste Un acuitomo 3D est alors prescrit pour explorer la zone concernée. Ce dernier révèle une opacité inexpliquée en vestibulaire. Une dissection de la fistule met en évidence à l'intérieur du cordon de la pâte endodontique. A la suite de cette intervention, la fistule a fini par disparaître! Ainsi, il s'agissait d'une fistule odontopathique; la lésion relais constituée par la persistance de la pâte assurait l'auto-entretien de la fistule bien que la lésion initiale était supprimée par la résection apicale Figure 56

S. La-fistule-est-récente, la cicatrice cutanée sera quasiment invisible (coloration presque identique, plus pale, souple et sans adhérences en profondeur) Au contraire, si la fistule est ancienne, la fistule s'est organisée depuis longtemps d

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