Table 1.

Microorganisms identified with MALDI-TOF MS on individual surfaces of the dental implant and crown as well as in the saliva of patients diagnosed with periimplantitis.

	Patient 1			Patient 2			Patient 3
	Species	NCBI ID	SV	Species	NCBI ID	SV	Species	NCBI ID	SV
Saliva	Haemophilus parainfluenzae	729	2.08	Enterococcus faecalis	1351	2.06	Haemophilus parainfluenzae	729	2.19
	Streptococcus constellatus	184,250	2.13	Haemophilus parainfluenzae	729	2.10	Rothia aeria	172,042	2.33
	Veilonella parvula	29,466	2.18	Rothia mucilaginosa	43,675	2.01	Streptococcus constellatus	184,250	2.33
				Streptococcus constellatus	184,250	2.13
				Streptococcus oralis	1303	2.04
				Veillonella dispar	39,778	2.06
				Veilonella parvula	29,466	2.01
Crown over the implant	Enterococcus faecalis	1351	1.95	Enterococcus faecalis	1351	2.21	Actinomyces odontolyticus	1660	2.03
	Haemophilus parainfluenzae	729	2.03	Haemophilus parainfluenzae	729	2.12	Haemophilus parainfluenzae	729	2.11
	Rothia mucilaginosa	43,675	2.27	Streptococcus oralis	1303	2.15	Rothia aeria	172,042	2.25
	Streptococcus pneumoniae	1313	2.11	Streptococcus parasanguinis	1318	1.79	Rothia mucilaginosa	43,675	1.98
	Streptococcus oralis	1303	2.17				Streptococcus oralis	1303	2.02
							Streptococcus pneumoniae	1318	2.01
Abutment	Haemophilus parainfluenzae	729	2.11	Candida guilliermondii	4929	2.12	Haemophilus parainfluenzae	729	2.13
	Neisseria subflava	28,449	2.23	Enterococcus faecalis	1351	1.97	Streptococcus mitis	28,037	1.90
	Streptococcus mitis	28,037	2.31	Haemophilus parainfluenzae	729	2.01	Streptococcus oralis	1303	2.24
	Veillonella dispar	39,778	2.18	Klebsiella pneumoniae	72,407	2.12	Streptococcus salivarius	1304	1.08
	Veilonella parvula	29,466	2.34	Staphylococcus aureus	46,170	2.16
				Streptococcus oralis	1303	2.36
				Veilonella parvula	29,466	2.51
Endosseous fixture	Haemophilus parainfluenzae	729	2.01	Enterococcus faecalis	1351	2.21	Streptococcus constellatus	184,250	2.33
	Rothia mucilaginosa	43,675	1.97	Haemophilus parainfluenzae	729	2.11
	Streptococcus constellatus	184,250	2.13	Staphylococcus aureus	46,170	2.01
	Veillonella dispar	39,778	2.11	Streptococcus constellatus	184,250	2.24
	Streptococcus mitis	28,037	2.14
	Klebsiella oxytoca	1165	2.01

SV—score value (level of similarity between the unknown microorganism being examined and the reference species); NCBI ID—sequence record processed by NCBI.