SBS variety program 'Three Perspectives' sheds light on the deep connection between gum health and systemic diseases. Through various cases and expert opinions, it examines how bacteria in the mouth can spread throughout the body via the bloodstream and trigger serious illnesses. MCs Kim Seok-hoon and So Seul-ji, science writer Kwak Jae-sik, docent Lee Chang-yong, periodontist Lee Chang-min, and internal medicine specialist Choi Jung-eun appear to analyze the importance of gum health management from three perspectives.

■ From Sudden Death of a Healthy Man in His 50s to Dementia — Oral Bacteria as the Common Cause

The real cases introduced in the program draw attention. A man in his 50s who exercised regularly died suddenly, a woman in her 60s experienced cognitive decline and forgot her family members' faces, and a man in his 40s who never smoked saw his lung health deteriorate. All three cases are linked to oral bacteria.

Historical cases also appear. Docent Lee Chang-yong introduces the fact that Marie Antoinette received orthodontic treatment as a child, along with cases of gum pain suffered by royal couples. In the past, there were even attempts to transplant other people's teeth to maintain dental health. Traces of Marie Antoinette's teeth later became an important clue in identifying her remains.

■ The 'Blood-Sucking Killer Bacterium' That Multiplies in Frequently Bleeding Gums

When the gums and oral environment are not properly managed, blood-sucking killer bacteria that penetrate between the teeth and gums increase dramatically. These bacteria multiply rapidly in mouths with frequent bleeding, destroying the oral ecosystem and causing inflammation and jawbone loss. The problem is systemic spread through the blood vessels. If blood-sucking killer bacteria spread throughout the body, they can cause various systemic diseases including vascular disease, diabetes, rheumatoid arthritis, and Alzheimer's dementia.

Periodontist Lee Chang-min explains that symptoms such as bleeding while brushing, swollen gums, and bad breath should not be dismissed as simple fatigue but should be recognized as signs of gum damage. He added that dry mouth caused by aging also increases the proliferation of harmful bacteria and the risk of periodontitis.

Internal medicine specialist Choi Jung-eun pointed out that gum bleeding is a sign of severe inflammation. She warned that gum disease is closely related to vascular disease, and if left untreated, the risk of stroke can increase significantly.

■ Kim Seok-hoon: 'When Transplanting a Tree, the Condition of the Field and Soil Matters'

Using the analogy that 'when transplanting a tree, the condition of the field and soil matters,' MC Kim Seok-hoon emphasized the importance of the gums over the teeth themselves.

Gum disease is a common ailment, with more patients seeking treatment than those with colds. Therefore, regular dental visits, proper brushing habits, and maintaining the balance of bacteria in the mouth are essential.

Episode 65 of SBS's 'Three Perspectives' airs on November 1 at 8:35 a.m.