Why are some people Cavity-prone while others are not??

Updated: Apr 13




There is a lot of awareness developing about the Gut Biome which has been so amazing for people who struggle with digestive issues and overall health. The growing availability of this information has helped so many people troubleshoot issues with their bodies and improve their quality of life. But, did you know that after the gut, the oral cavity has the next largest and most diverse microbiota and is home to over 700 different species of bacteria? I know it sounds kinda gross, but stick with us here! Our bodies are full of both “good” and “bad” bacteria. The “good” bacteria in the mouth, along with saliva, play an important role in our immune system as part of our “first line of defence”. They are also vital in preventing oral disease and decay.


So, why do some people have more “good bacteria” than others?


Some bacteria colonize early on in life, while others don’t show up until tooth eruption. An unborn baby’s oral cavity is a sterile environment, this means there is no bacteria present at all. The oral microbiome diversity changes from the time of birth and is influenced by the type of birth (vaginal or cesarian), feeding method (breast or formula), and the bacteria passed on through via kissing from family members. YES, that myth is true! Even the oral health of your mother at the time of birth has an impact. As the years progress, other factors and exposures to things like antibacterial agents in products, smoking, diet, and use of medications also affect the environment of the mouth. All of these factors put together create the balance of “good” and “bad” bacteria and the likelihood of decay and disease.


For this reason, whether or not you will have healthy gums and teeth does not rely solely on how well you brush and floss, that being said, good oral hygiene habits like proper home care and regular visits to the dentist are the best way to combat and prevent decay and disease!



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