Meridian Tooth Chart — See What Your Teeth Reveal About Your Health

Kidney / Bladder Meridian

Incisors — upper #7–10, lower #23–26

Your eight front teeth sit on the kidney and bladder meridian — the meridian Traditional Chinese Medicine associates with bone tissue, skeletal strength, hearing, and the adrenal stress response. In meridian theory, a chronically infected or root-canaled incisor can act as an interference field for the kidneys, bladder, or urogenital system, and retrograde bacteria around a failing front tooth keep that meridian under constant low-grade load. This group is also linked to the frontal sinuses, the lower lumbar spine, sacrum and coccyx, and the adrenal glands — which is why patients with long-standing lower-back pain, sinus pressure, or unexplained fatigue often ask what their incisors reveal. In our Spring, TX office we pair this group with 3D CT imaging of the anterior jaw and a review of any prior root canal treatment before drawing conclusions.

Liver / Gallbladder Meridian

Canines (eye teeth) — #6, #11, #22, #27

The four canines connect to the liver and gallbladder meridian and, notably, to the eyes — which is how they earned the name “eye teeth.” In TCM, the liver governs detoxification, hormonal balance, and eye health, so a chronic infection or toxic restoration on a canine is often discussed alongside sluggish detox patterns, skin flare-ups, or persistent visual strain. Meridians in this group are also associated with the hips, the back of the knees, and the mid-thoracic spine (T8–T10), giving a problematic canine more systemic relevance than its small size suggests. When a canine shows up on the chart, our team reviews the tooth's restoration history and vitality alongside your health history rather than treating the mapping as a diagnosis.

Lung / Large Intestine Meridian

Upper premolars #4–5, #12–13 · lower first & second molars #18–19, #30–31

This group pairs the upper premolars with the lower molars — the largest group on the chart. These teeth share a meridian with the lungs and large intestine, the two organs Traditional Chinese Medicine associates with immune defense, respiration, and elimination, and which modern oral-systemic research connects to inflammation markers and gut dysbiosis. The connection extends to the shoulders, elbows, big toes, and the cervical (C5–C7), upper-thoracic (T2–T4), and lower-lumbar (L4–L5) spine, so dental interference here is often explored alongside chronic respiratory issues, skin conditions, shoulder pain, and sluggish elimination. For this group we look closely at old amalgam and crown margins on the lower molars, since replacing them safely is often the first practical step.

Stomach / Spleen / Pancreas Meridian

Upper first & second molars #2–3, #14–15 · lower premolars #20–21, #28–29

Upper molars and lower premolars map to the digestive trio of stomach, spleen, and pancreas — the meridian group most often discussed in relation to blood-sugar balance, digestion, and the thyroid and parathyroid glands. Because the upper molar roots sit directly beneath the maxillary sinuses, infection here can also drive recurrent sinus complaints that never resolve with typical treatment. These teeth additionally relate to the jaw joints (TMJ), the lower thoracic and upper lumbar spine (T11–L1), the gonads, and lymphatic drainage of the head and neck. Patients with persistent digestive, metabolic, or thyroid concerns frequently want to know what a failing or root-canaled upper molar on this meridian may be contributing. We routinely check the maxillary sinus floor on 3D imaging for these upper molars, because sinus involvement changes the treatment sequence.

Heart / Small Intestine Meridian

Wisdom teeth (third molars) — #1, #16, #17, #32

The wisdom teeth sit on the heart and small intestine meridian — a group also linked to the central nervous system, the anterior pituitary gland, and the heart itself. This is one reason impacted or infected third molars, and the cavitations (areas of dead jawbone) that can follow their extraction, receive careful whole-body consideration in biological dentistry rather than being treated as an isolated surgical event. The meridian also reaches the shoulders, elbows, ulnar side of the hands, the sacroiliac joint, and the C7–T1, T5–T7, and S1–S3 spinal segments — connections some patients explore when cardiac palpitations, neurological symptoms, or low-back and SI-joint pain have no other clear explanation. Before any third-molar or cavitation discussion, we confirm findings with 3D CT imaging and review them with you at your new patient consultation.

Which teeth are connected to the heart?

The four wisdom teeth (third molars #1, #16, #17, #32) sit on the heart and small intestine meridian. That meridian also links to the central nervous system and anterior pituitary — one reason biological dentists look carefully at impacted wisdom teeth and post-extraction cavitations when patients report unexplained systemic symptoms.

What organ are the front teeth (incisors) connected to?

All eight incisors — upper #7–10 and lower #23–26 — map to the kidney and bladder meridian, with links to the adrenal glands, pineal gland, lower back, and sacrum. A chronically infected or root-canaled front tooth is often discussed alongside kidney, bladder, or low-back complaints in meridian theory.

Which teeth are linked to the sinuses?

The upper first and second molars (#2–3, #14–15) sit on the stomach/spleen/pancreas meridian, and their roots lie directly beneath the maxillary sinus floor. Infection in these teeth is a well-known driver of recurrent sinus problems — which is why we image the sinus floor with 3D CT before treating upper molars.

Why are canine teeth called "eye teeth"?

The four canines (#6, #11, #22, #27) connect to the liver and gallbladder meridian — and, in Traditional Chinese Medicine, to the eyes. That connection earned them the nickname "eye teeth," and it's why a problem canine sometimes comes up in conversations about detox patterns, skin issues, or eye strain.

Can a root canal or infected tooth affect other organs?

In meridian theory, yes — a dead or infected tooth is considered an "interference field" that can place a constant low-grade burden on every organ sharing its meridian. Modern oral-systemic research echoes part of this idea, linking chronic dental infection to inflammation elsewhere in the body. The chart is a starting point for questions, not a diagnosis: our biological dentists confirm any suspicion with examination and 3D imaging.