Biological dentistry · Freienstein
Biological dentistry – teeth in harmony with the body
Teeth are part of the whole. We treat metal-free, biocompatibly and with a view to the entire organism – gentle on you and your immune system.

Metal-free
no amalgam, no titanium
SAFE
amalgam removed, no burden
Coordinated
with your therapist and doctors
Holistic
teeth & body
What it is about
Biological dentistry – briefly explained
Biological dentistry asks not only “how do I repair the tooth?” but “what does the person tolerate?”. We consistently avoid metals and rely on materials the body recognises as its own – from ceramic fillings to zirconia implants to gentle amalgam removal.
Inflamed root tips, chronic foci or old materials can burden the whole organism. With gentle methods such as focal and interference-field sanitation, neural therapy and ozone therapy we look for causes – not just symptoms, and coordinate with your doctors and therapists.
In detail
Biological services at our practice
Metal-free dentistry
Fillings, crowns and implants made of ceramic or composite – biocompatible, aesthetic and without foreign-body risk.
- Zirconia
- Composite
- No titanium
Amalgam & foci
Step-by-step, protected amalgam removal following biological protocols and gentle focal and interference-field sanitation.
- Safe amalgam removal
- Focal sanitation
- Interference field
Process
How we proceed
Planned transparently, without surprises – your body is the basis of every decision.
Anamnesis
Conversation, findings and – where needed – 3D diagnostics for the full picture.
Concept
Biological treatment concept with clear, comprehensible steps.
Sanitation
Gentle implementation, metal-free and protecting existing structures.
Follow-up
Regular checks so the result stays in harmony with the body.

Your practitioner
Dr. med. dent. Jousef Siouri, M.Sc., M.Sc.
Master in implantology and oral surgery as well as in restorative and aesthetic dentistry, doctorate at RWTH Aachen. His principle: no standard solutions – every treatment is tuned functionally, biologically and aesthetically to the person, and you understand the diagnosis and options before a decision is made.
More about Dr. Siouri and the team →Frequently asked questions
What patients ask us
What does a biological dentist do differently?
Metal-free, tested materials instead of standard ones, targeted screening for chronic foci of inflammation, minimally invasive work with ozone and autologous blood (PRF) – and collaboration with your doctors and therapists instead of isolated dental treatment.
Can diseased teeth make the whole body ill?
Yes, this is well documented: chronic inflammation in the jaw continuously releases inflammatory messengers and bacteria into the bloodstream. Possible consequences range from fatigue to joint problems to cardiovascular strain – which is why we specifically look for such foci.
Is there a connection between teeth and organs?
Traditional Chinese Medicine (TCM) assigns each tooth to specific organs via the meridian system – wisdom teeth to the heart and small intestine, for example, front teeth to the kidneys. We take these connections seriously and check them with thorough diagnostics.
What symptoms can come from the teeth without the teeth hurting?
Chronic fatigue, unclear facial and headaches, neck and joint problems, skin issues or recurring infections – silent foci of inflammation in the jaw often cause no local pain at all and therefore stay undetected for years.
Is metal in the mouth harmful?
Different metals in the mouth can release ions and create galvanic currents ("battery effect"); amalgam also contains around 50% mercury. Whether it causes symptoms varies by person – which is why we rely on completely metal-free materials from the outset.
How do I know if I have an interference field in the jaw?
Usually there is no way to tell without targeted diagnostics – interference fields rarely hurt. Clues include old extraction sites (especially wisdom teeth), root-treated teeth and unclear chronic complaints. The 3D scan combined with a clinical exam brings clarity.
Consultation in Freienstein
Let us look together at what fits you.
In the consultation we analyse your situation and give you an honest assessment – without pressure.
Related treatments
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Biological dentistry at Zahnarztpraxis Freienstein: we combine modern dentistry with a holistic view of the body – metal-free, biocompatible and gentle. Patients from Bülach, Embrach, Rorbas, Kloten, Winterthur and the Zurich Unterland trust our gentle, comprehensive care.
