Oral microbiome testing using shotgun metagenomics is preferred over PCR testing for identifying periodontal pathogens.

“you look for a test that's using shotgun metagenomics shotgun metagenomics yes um there's PCR testing too and a lot of biological dentists will offer something like oral DNA is the most popular the issue with that is there it's really only looking at the top 12 pathogens parodontal pathogens which is important but there can be a lot of other information that you're missing”