Dr. Lechner ke ho tloha 1980 hlooho ea Clinic for Integrative Dentistry/Munich e le Ngaka ea Meno le Naturopath. Ngaka Lechner o hatisitse lipampiri tsa mahlale tse 19 ho tla fihlela joale tse mabapi le Integrative Dentistry ho PubMed indexed magazines. https://www.ncbi.nlm.nih.gov/pubmed/?term=Lechner+Johann tse fihleloang ke likete tsa litsebi tsa meno le tsa bongaka lefatšeng ka bophara. O ile a hatisa libuka tse robong ka Sejeremane ka Integrative Medicine. Lithupelong tsa hae, o totobatsa likarolo tsa kliniki tsa lipatlisiso tsa masapo, ho ruruha ho sa foleng le boima ba tšepe e boima ka har'a mohlahare, le tšitiso ea tsamaiso. Ke mothehi oa ICOSIM (Koleji ea Machaba ea Maxillo-Mandibular Osteoimmunology www.icosim.de ) le moqapi oa tekanyo e se nang mahlaseli ea mahlaseli a masapo ka ultrasonography CaviTAU® (www.cavitau.de ). O boetse a tlisa sesupo sa sebabole se sa tsitsang sa OroTox mabapi le ho tlatsoa ha metso (www.orodex.de) ho laola katleho ea endodontic ho marakeng. Lipuisano tse ngata likopanong tsa machaba, liunivesithing, le mekhatlo ea bongaka (e leng Boston, USA; London, UK; Sao Paulo, Brazil; Beijing le Shanghai, Chaena.)
