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Six-Foot Tiger, Three-Foot Cage: Take Charge of Your Health by Taking Charge of Your Mouth

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Do you, or someone you know, live with snoring, teeth grinding, poor sleep, aches and pains, chronic fatigue, moodiness, and other seemingly inexplicable symptoms? Your whole body suffers oxygen deficiency from a clogged airway and poor sleep when your mouth is structurally impaired.Six-Foot Tiger, Three-Foot Cage is the first book EVER to connect the dots between your mouth structure and total health. “Six-foot tiger” is the vicious medical, dental, mood, and financial consequences of a “three-foot cage”— a mouth that's too small for the tongue.Dr. Liao shows you if Impaired Mouth is the start of a domino effect of your (or your patients') persistent, escalating, and costly symptoms. Actual cases illustrate how Holistic Mouth Solutions™ can effectively redevelop “ three-foot cages” by combining innovative Whole Health approaches with stem-cell-activating oral appliances to produce unexpected and even life-changing improvements.

301 pages, Kindle Edition

Published February 23, 2017

83 people are currently reading
392 people want to read

About the author

Felix Liao

8 books4 followers

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5 stars
23 (29%)
4 stars
34 (43%)
3 stars
19 (24%)
2 stars
1 (1%)
1 star
2 (2%)
Displaying 1 - 7 of 7 reviews
Profile Image for Mary Ruth.
213 reviews
February 12, 2019
Do you snore, grind your teeth, have crowded teeth, are you sleepy all the time, have a double chin, wonky bite, and other health issues? Then you might want to read this book. It is written by a dentist that works on widening the palate so that there is enough room for the tongue. His patients have improved health with his method. One warning though, the book can be repetitive, so for content a 5, for being repetitive, a 3, averaged out, a 4.
Profile Image for mono.
438 reviews4 followers
February 24, 2020
omega - OMG must take better care of STEM cells

Profile Image for Kelly.
522 reviews6 followers
January 4, 2024
I absolutely LOVED this book! As a SLP the concepts in this book were absolutely fascinating to me. I learned so much. After working with adults and children with many speech, swallowing, sleep and breathing issues I really believe more people would benefit from a wholistic dental approach. I think all orthodontists need to read this as well. There is so much more to just mouth expanders.

The only thing I wished were the pictures be in color. It was really hard to tell where the purple outline or the yellow arrow were when the pictures were in black and white.

Highly recommend.

Profile Image for Lisa.
340 reviews7 followers
October 16, 2017
Current treatments for obstructive sleep apnea (OSA) focus on treating the symptoms via forced air (CPAP) or through an oral appliance that holds the lower jaw in a forward position. This book shows another way: a different type of oral appliance therapy that actually corrects the structural problems of the mouth to alleviate airway blockage. The author shows that numerous other problems--allergies, sinusitis, back and neck pain, and more--can be attributed to structural problems in the mouth. Change your mouth, change your health, in other words.
Profile Image for Teigan Beck.
106 reviews1 follower
August 27, 2021
Very informational, helpful to my practice as an SLP. Will definitely use as a reference book in the future.
Profile Image for Tu Strauss.
2 reviews
October 8, 2025
Its not well as well written as it could be but the overall concept is excellent. Its exactly the key thing NO health provider ever looks at.
Displaying 1 - 7 of 7 reviews

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