3Theilade E, Fejerskov O, Karring T, et al. A microbiological study of old plaque on occlusal fissure of human teeth. Caries Res, 1978, 12(6) :313-319.
4Theilade E, Fejerskov O, Karring T, et al. Predominant cultivable mieroflora of human dental fissure plaque. Infect Immun, 1982, 36 (3) : 977-982.
5Meiers JC, Wirthlin MR, Shklair IL. A microbiological analysis of human early carious and non--carious fissure. J Dent Res, 1982, 61 ( 3 ) : 460-464.
6Ekstrand KR, Bjorndal L Structural analyses of plaque and caries in relation to the morphology of the groove - fossa system on erupting mandibular third molars. Caries Res, 1997, 31(5) : 336-348.
7Loesche WJ, Eklund S, Earnest R, et al. Longitudinal investigation of bacteriology of human fissure decay: epidemialogical studies in molars shortly after eruption. Infect Immun, 1984, 46 ( 3 ) : 765- 772.