Could Artificial Saliva Help Protect Wisdom Teeth and Other High-Risk Teeth From Decay?

by

Most people think of saliva as something they barely notice—until it is gone. But saliva plays a major role in protecting teeth from acid, bacteria, and enamel damage. New research (Natara Dias Gomes Da Silva, Paulo Sérgio da Silva Santos, Flávio Henrique-Silva, Ana Carolina Magalhães, Marcos Roberto Chiaratti, Elbert de Josselin de Jong, Pamela K DenBesten, Marília Afonso Rabelo Buzalaf. A novel artificial saliva enriched with CaneCPI-5 for irradiated head and neck cancer (HNC) patients: in vitro antimicrobial and anticaries effect. Journal of Dentistry, 2025; 163: 106176) suggests that an artificial saliva made with a sugarcane-derived protein may one day help protect teeth in a way that is much closer to natural saliva. That could be especially important for people with dry mouth, high cavity risk, and hard-to-clean areas such as around wisdom teeth. The key ingredient in this new approach is … Read more

Could Harmful Mouth Bacteria Affect the Brain? What New Research Suggests About Oral Health and Parkinson’s Disease

by

Most people think of cavity-causing bacteria as a threat to teeth. But new research (Hyunji Park, Jiwon Cheon, Hyojung Kim, Jihye kim, Jihyun Kim, Jeong-Yong Shin, Hyojin Kim, Gaeun Ryu, In Young Chung, Ji Hun Kim, Doeun Kim, Zhidong Zhang, Hao Wu, Katharina R. Beck, Fredrik Bäckhed, Han-Joon Kim, Yunjong Lee, Ara Koh. Gut microbial production of imidazole propionate drives Parkinson’s pathologies. Nature Communications, 2025; 16 (1)) suggests that some harmful mouth bacteria may have effects that go far beyond the mouth. Scientists found evidence that a common oral bacterium linked to tooth decay may also influence the gut and, in turn, contribute to brain changes associated with Parkinson’s disease. That is a major reminder that oral health and overall health are deeply connected. The mouth is not isolated from the rest of the body. Bacteria that begin in the mouth may … Read more

Could Tomatoes Help Protect Your Gums? What Lycopene May Mean for Gum Disease Risk

by

When people think about preventing gum disease, they usually focus on brushing, flossing, and regular dental cleanings. Those are still the foundation of good oral health. But new research (Katherine Kwong, You Lu, ZhuoHuan Li, Susu Luo, Zhaoyu Huang, Zhong Chen, Na Zhao, Tung-Sung Tseng. Lycopene, Race and Periodontitis: Disparities in Older Adults. The Journal of nutrition, health and aging, 2026; 30 (2)) suggests that lycopene, the antioxidant that gives tomatoes their red color, may also be linked to a lower risk of severe periodontitis in older adults. That matters because periodontal disease is one of the biggest threats to long-term oral health. Severe gum disease can lead to gum recession, bone loss, loose teeth, and eventually tooth loss. It can also make it harder to maintain areas that already trap bacteria, including around crowns, bridges, implants, and partially erupted wisdom teeth. … Read more

Could Treating a Tooth Infection Help More Than Your Mouth?

by

Most people think of a root canal as a way to save a painful or infected tooth. But emerging research suggests that treating a dental infection may do more than protect your smile. It may also help reduce inflammation and improve markers linked to blood sugar and heart health. That matters because infections in the mouth do not always stay in the mouth. When a tooth infection develops deep inside the tooth and around the root, bacteria can enter the bloodstream and trigger inflammation elsewhere in the body. Researchers found that after successful root canal treatment, patients showed improvements over time in glucose metabolism, cholesterol-related markers, and inflammation levels (Yuchen Zhang, Adrien Le Guennec, Pirkko Pussinen, Gordon Proctor, Sadia Ambreen Niazi. Successful endodontic treatment improves glucose and lipid metabolism: a longitudinal metabolomic study. Journal of Translational Medicine, 2025; 23 (1)). Why Oral … Read more

Gum Disease and Breast Cancer: Why Oral Health May Matter More Than You Think

by

Most people think of gum disease as a dental problem that leads to bleeding gums, bad breath, bone loss, or even tooth loss. But new research (Sheetal Parida, Deeptashree Nandi, Deepak Verma, Mingyang Yi, Ashutosh Yende, Jessica Queen, Kathleen L. Gabrielson, Cynthia L. Sears, Dipali Sharma. A pro-carcinogenic oral microbe internalized by breast cancer cells promotes mammary tumorigenesis. Cell Communication and Signaling, 2026) suggests that oral bacteria linked to gum disease may also play a role in breast cancer growth and spread. That makes this more than just a dentistry issue. It is another reminder that oral health and overall health are closely connected. The bacterium highlighted in the research is Fusobacterium nucleatum, a microbe commonly associated with periodontal disease. Researchers found that it may travel from the mouth into the bloodstream and reach breast tissue, where it can contribute to inflammation, … Read more