Sogeva has buyed during the year 2001 the machineries and the formulas for the achievement of the complete production of “LAD – DENTAL PRODUCTS LABORATORY” that is present on the market since 40 years. The “THERFO” line is peculiar for his high quality and affidability. In fact all the waxes and base plate resins are used from the most qualified laboratories.A continuing “keeping in touch” and tightened cooperation with a dental technicians and dental clinicians team, a resident chemicallaboratory performing sperimentaI testing and formulating research activity helped to take side by Therfo brand a high quality new products: new formula far modelling opaque waxes, far costumizing different anatomical occlusal surfaces and far teaching, “by code”, chromatic waxes.SOGEVA  performs a processing program of raw materials and of leader companies provided tram, in according to quality constant contraI and a special program of different products by customers request. SOGEVA  is committed to give priority to development, up to date knowledge, communication and technical -professional information.The production system ce is quality certified uni cei en iso 13485:2002 uni en iso 9001:1994 for the desigh and manufacture conforming to the norm uni en iso 9001:2000 with controls on the ran materials and on the finisched products aql 1,5 gil aql 0,65 sil s-2.