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Le bâtonnet frotte-dent est le materiel d’hygiene dentaire le plus communement utilise au Ferlo pour prevenir les pathologies bucco-dentaires dentaires et garder une belle dentition. Afin d’evaluer l’activite biologique des plantes utilisees comme bâtonnets frotte-dents dans la commune de Tessekere (Nord Senegal), une enquete ethnobotanique au moyen d’un guide d’entretien semi-directif a ete effectuee pour recenser les plantes utilisees. Parmi les especes citees, treize, reparties dans huit familles ont ete retenues sur la base de l’importance de leur Indice de Fidelite (IF). Des extraits aqueux ont ete realises a partir des tiges en vue de l’evaluation leurs activites antimicrobiennes. Des tests de micro dilution ont permis d’evaluer la concentration inhibitrice minimale (CIM) des extraits des plantes selectionnees sur trois souches bacteriennes pathogenes bucco-dentaires ( Streptoccocus mutans, Porphyromonas gingivalis et Lactobacillus acidophilus ) et deux souches de Candida albicans , levures opportunistes. Les extraits d’Anogeissus leiocarpa, de Sclerocarya birrea et d’Acacia seyal se sont reveles actifs. Anogeissus leiocarpa, plante la plus active, presente un effet significatif contre les deux souches de C. albicans et deux souches bacteriennes (L. acidophilus et P. gingivalis) sur les trois testees, avec des valeurs de CIM comprises entre 16 et 512 µg/ml. L’extrait de S. birrea a montre une activite moderee contre une des deux souches de C. albicans, de meme que celui d’Acacia seyal vis-a-vis de Streptoccocus mutans. Ces resultats mettent en evidence l’interet de ces trois especes ligneuses dans le cadre de l’hygiene bucco-dentaire comme bâtonnets frotte-dents.  Mots cles : Bâtonnets frotte-dents, Activites antimicrobiennes, Peul, Tessekere, Ferlo Nord, Senegal. English Title: Antimicrobial activities of plants used as toothbrush (toothpicks) by Fulani of Tessekere commune (North Ferlo, Senegal) The toothbrush stick is the most commonly used dental hygiene material at Ferlo to prevent dental pathologies and keep a beautiful dentition. In order to evaluate the biological activity of the plants used as rubbing sticks in the municipality of Tessekere (North Senegal), an ethnobotanical survey using a semidirective interview guide was conducted to identify the plants used. Among the species mentioned, thirteen, divided into eight families were selected on the basis of the importance of their Fidelity Index (FI). Aqueous extracts were made from the stems for evaluation of associated antimicrobial activities. Micro dilution tests were used to evaluate the minimum inhibitory concentration (MIC) of selected plant extracts on three bacterial oral pathogenic strains ( Streptoccocus mutans, Porphyromonas gingivalis and Lactobacillus acidophilus ) and two strains of Candida albicans (opportunistic yeasts). The extracts of Anogeissus leiocarpa, Sclerocarya birrea and Acacia seyal proved to be active. A. leiocarpa , the most active plant, has a significant effect against both strains of C. albicans and two bacterial strains ( L. acidophilus and P. gingivalis) on the three tested, with MIC values between 16 and 512 μg / ml. The extract of S. birrea showed moderate activity against one of the two strains of C. albicans , as well as that of A. seyal against Streptoccocus mutans. These results highlight the interest of these three woody species in the context of oral hygiene as toothbrush sticks. Keywords : Chewing sticks, Antimicrobial activities, Peul, Tessekere, North Ferlo, Senegal.

international journal of biological and chemical sciences

Activités antimicrobiennes des plantes utilisées comme bâtonnets frotte-dents (cure-dents) par les Peul de la commune de Tessékéré (Ferlo Nord, Sénégal)