Exit
The % of Neisseria, which are obligate aerobes, decrease because only the surface of the plaque is aerobic
Experimental Supragingival Plaque Development
Organism    Age of Plaque in Days
  1   3   5   7 14
Strep. spp. 96.9 89.1 75.4 82.1 78.9
Neisseria spp.   2.4   1.5   0.7   0.1   0.4
AnO2 filaments   0.0 <0.01   0.1   2.6 11.4