Press

“Cavitat wird CaviTAU® – Lechner revolutioniert die Zahnheilkunde” (Dr. med. Helmut B. Retzek, 04/19)
http://www.homeopathy.at/cavitat-wird-cavitau-lechner-revolutioniert-die-zahnheilkunde

 

Dovepress – International Medical Case Reports Journal – 2021:13
Dr. Dr. (PhD-UCN) med. dent. Johann Lechner & Dr. Volker von Baehr & Dr. Bernd Zimmermann:
Osteonecrosis of the Jaw Beyond
Bisphosphonates: Are There Any Unknown Local Risk Factors?

 

Dovepress – International Medical Case Reports Journal – 2021:14
Dr. Dr. (PhD-UCN) med. dent. Johann Lechner & Dr. Fabian Schick:
Chronic Fatigue Syndrome and Bone Marrow
Defects of the Jaw – A Case Report on Additional Dental X-Ray Diagnostics with Ultrasound