The present invention relates to selected bacterial strains belonging to the genus Lactobacillus and their use, for use in the treatment of bacterial biofilms, in particular for prophylactic treatment to inhibit and / or reduce the formation of bacterial biofilms. More specifically, the present invention, Lactobacillus plantarum LMC1 (DSM 32252), Lactobacillus reuteri LMC3 (DSM 32253), Lactobacillus paracasei LMC4 (DSM 32254), Lactobacillus reuteri LMC5 (DSM 32255), Lactobacillus rhamnosus LMC6 (DSM 32256), Lactobacillus rhamnosus LMC7 (DSM 32257), Lactobacillus paracasei LMC8 (DSM 32258), Lactobacillus reuteri LMC9 (DSM 32259) and Lactobacillus rhamnosus Bacterial strains belonging to the genus Lactobacillus comprising or consisting of LMC10 (DSM 32260), and uses thereof, for the treatment of bacterial biofilms, in particular for prophylactic treatment to inhibit and / or reduce the formation of bacterial biofilms. It is about a use for that. The present invention also provides a mixture comprising or consisting of one or more bacterial strains described above, and optionally for use in the treatment of bacterial biofilms, in particular prophylactic treatments for inhibiting and / or reducing the formation of bacterial biofilms, and optionally A pharmaceutical composition, a composition for medical devices or a composition for dietary supplement, comprising a pharmaceutical or food grade technical additive and / or excipient.본 발명은 락토바실러스 속에 속하는 선택된 박테리아 균주 및 이의 용도로서, 박테리아 생물막의 처리, 특히 박테리아 생물막의 형성을 저해 및/또는 줄이기 위한 예방적 처리에 사용하기 위한, 용도에 관한 것이다. 보다 상세하게는, 본 발명은, 락토바실러스 플란타룸 (Lactobacillus plantarum)LMC1 (DSM 32252),락토바실러스 루테리 (Lactobacillus reuteri)LMC3 (DSM 32253),락토바실러스 파라카세이 (Lactobacillus paracasei)LMC4 (DSM 32254),락토바실러스 루테리 (Lactobacillus reuteri)LMC5 (DSM 32255),락토바실러스 람노수스 (Lactobacillus rhamnosus)LMC6 (DSM 32256),락토바실러스 람노수스 (Lactobacillus rhamnosus)LMC7 (DSM 32257),락토바실러스 파라카세이 (Lactobacillus paracasei)LMC8 (DSM 32258),락토바실러스 루테리 (Lactobacillus reuteri)LMC9 (D
