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FUNCTIONAL DENTISTRY

interference, gets pushed or pulled away from the G space and thereby The ellipses in the illustration represent various muscles involved in
becomes “rotated.” This results in asymmetrical pressure and load on mandibular movement. These ellipses intersect at the G space—this is
the teeth, causing them to shift. Next, the bone itself remodels under the common area where proprioception exists and where none of the
the constant pressure (e.g., exostoses in the maxilla or mandible). muscles are overworked, in spasm, or overstretched.
This force then travels to the condyles, causing TMJ problems and The Smylist® principle states that when the mandible moves outside
potentially leading to remodelling of the glenoid fossa. Over time, the G space, a variety of issues may arise depending on the individual’s
the bones shift within the muscle network (e.g., vertebrae in the neck, adaptability. A common scenario occurs when the maxillary teeth
sternum and ribs, even the entire cranium). This leads to varying are incorrectly positioned and do not create the proper boundary or
degrees of complications in the musculoskeletal system and other “fence” for the mandibular teeth at the edge of the G space. In fact, the
interrelated body functions. Smylist® refers to this chain of events as the anterior and lateral borders of the G space—and the correct positioning
“Negative Cascade of Events.” The pushing and pulling, rotation and of maxillary teeth—are dictated by balanced muscle positioning. The
tilting, propagate through the muscle and fascial network, impacting lower canines and front teeth should be aligned with the relaxed muscle
both the visceral and skeletal systems. The fascia system also plays a position. The mandible constantly seeks this position and may move
key role in transmitting information. beyond the space where muscles can relax and function harmoniously.
Hence, the G space is the comfort zone of the mandible—from This causes certain muscles to become overstretched or contracted.
RMP to BMP. According to Smylist®, the mandible has a sense of When this situation persists, it results in the negative cascade of events
proprioception regarding the BMP, even without tooth contact. The mentioned earlier.
BMP is the ideal limit to which the mandible should move, determined Extensive clinical observations over the years have shown that
by correctly positioned maxillary teeth and muscle deprogramming. the mandible can move up to 8 mm from its rest position (RMP) to
RMP is the position in which the mandible should ideally the point of tooth contact. Smylist® maintains that if this distance
remain most of the time. Once learned, the path from RMP to BMP exceeds approximately 1.7 mm, the mandible is not moving into BMP
becomes automatic. This path is only taken when necessary—during but rather into FMP—due to over-rotation or displacement of the
mastication. Within the G space, where the mandible functions, all maxillary teeth from the self-ortho phenomenon. The ultimate goal is
muscles of mastication and facial expression operate in unison and for the mandible to end up in BMP—not FMP. If a patient is in FMP,
harmony, avoiding spasm or overstretching. the muscles will be in spasm or overstretched, and the mandible will be
This is why the position and inclination of the maxillary teeth are rotated laterally and/or excessively upward. The greater the interdental
so critical, even though the maxillary and mandibular teeth come space between the maxilla and mandible, the more severe the problems
into contact only briefly within a 24-hour cycle. The maxillary teeth associated with FMP. n
are sensed by the mandible, which helps guide it within this zone
of proprioception. This understanding forms the foundation for
mandibular guidance and explains how parafunctional habits may You can contact with the authors of the article: maria.csillag@smylist.
develop. com and ajay.kakar@smylist.com for further information.

ARTICLE CITATION
Csillag Maria, Kakar Ajay (2025). The Smylist® musculo-mandibulo-occluso-condylar system - MMOCS Dental Practice, 21(2),
43-46.

ABOUT THE AUTHORS

Dr. Maria Csillag completed her Masters and started her private practice in 2004. She is now a consultant
Smylist specialist in Budapest, Hungary. In 2008, she established Smylist Ltd and currently serves as the
owner and CEO of Smylist®. Dr. Csillag has published numerous papers in Hungarian and English and is a
sought-after speaker for international lectures and workshops.
She is the creator of the Smylist® concept, which is revolutionizing dentistry worldwide, and has developed
the Smylist Aesthetic Design Software. Dr. Csillag contributed a comprehensive chapter on aesthetics in
the Prosthodontics textbook published by Semmelweis University and has authored a textbook on Smylist
Dentistry, which is awaiting publication.

Dr. Ajay Kakar completed his BDS in 1981 from Nair Hospital Dental College and his MDS in 1985 in
Periodontology from the same institution. He lectures extensively in India and globally while maintaining an
exclusive Perio and Implants practice in Chembur, Mumbai. Passionate about electronics, he is also an avid
software developer.
In 1998, Dr. Kakar created BITEIN, India’s first dental internet portal, and initiated the first-ever dental awards,
The BITEIN Awards, on 10/10/2010, running it successfully for ten years. He manages international affairs for
SMYLIST® and is deeply involved in workshops, studies, and articles. Dr. Kakar has served as Secretary and
President of the International Academy of Periodontology and the Indian Academy of Aesthetic and Cosmetic
Dentistry.
46 Dental Practice I March-April 2025 I Vol 21 No 2