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Résumé

Les matériaux de restauration agissent de manières différentes sur le parodonte avoisinant. La surface de ces matériaux peut influencer la santé gingivale et provoquer, dans certains cas, une inflammation gingivale.
Le but de cette étude est d’étudier et de comparer, sur un parodonte sain, la présence de bactéries intrasulculaires pathogènes (Aggregatibacter actinomycetemcomitans, Porphyromonas gingivalis, Prevotella intermedia, Tannerella forsythensis et Treponema denticola), au jour 0 et à 6 mois, autour de restaurations d’amalgame, de composite et de compomère situées en sous-gingival. Tous les tests ont donné des résultats négatifs (moins de 0.1% du total de 103 cellules), puisqu’aucun des agents pathogènes étudiés n’a été détecté. Il a été conclu que le matériau utilisé n’a pas d’effet direct sur les espèces de bactéries développées autour des restaurations, durant ce court laps de temps.

Abstract
Amalgam, composite and compomer : microbiological study

Restorative materials have different consequences on the periodontium. The surface of these materials may influence gingival health and cause in some instances gingival inflammation.
The purpose of this study was to investigate and compare, in a healthy periodontium, intracrevicular plaque bacteria (Aggregatibacter actinomycetemcomitans, Porphyromonas gingivalis, Prevotella intermedia, Tannerella forsythensis and Tre ponema denticola), at day 0 and at 6 months, around subgingivally located amalgam, composite and compomer fillings. All the tests were negative (less than 0.1% of the sum of 103 cells), since none of the investigated pathogens were detected. It has been concluded that the material used does not have direct effect on the bacteria species developed around the restorations at this short time period.