What bacteria cause infection in the gum and teeth? could any name some of the please? do these include staph as well?

Visit this site for a detailed answer to your question: https://www.ncbi.nlm.nih.gov/books/NBK8259/ Have a healthy diet, exercise 30 minutes/day, drink plenty of water daily so your urine is mostly colorless, have safe sex, no tobacco alcohol weed or street drugs. For nutrition: http://www.choosemyplate.gov/.

There are many different bacteria, fungus, and virus in the mouth as part of the normal flora, natural balanced. Staphylococcus is just one. They may do no harm or they can become problematic in large numbers or influences.