Although it had been thought that dental plaque consisted primarily of streptococci, more recent research showed that a variety of microbes are present. according to the chapter, what approaches were used to identify these additional microbes and to determine their three-dimensional structure in the biofilm?
a. analysis of oxygen consumption
b. metagenomic analysis alone
c. phylogenetic probes/fluorescent in situ hybridization
d. streak plates/spread plates/pour plates