I have the impression that there are at least 3 common materials used to make soft contacts. Is this also true f
or RGPs? For RGPs is it strictly old/original and new/better?
or is it "it depends on the individual and their condition"
like soft contacts? different materials for different type of
lenses (torics, bifocals, etc.)?
Re: Why two impressions for a denture ...ordinarycompound snap impression is taken ... after the tray has been removed from the mounth and chilled, ... > impression materials and custom trays. ... You get to do a wax try-in of new dentures which approximate what ... (sci.med.dentistry)
Re: road trains ...desire was and remains to swoop and soar as the birds do. ...flight" unless one is soaring without a vehicle. ... out the specious nature of the materials science argument. ... relevant to the common man. ... (rec.motorcycles)
Re: Did you stop? ... If you're using common materials,... used in cars.... The only difference is the way the atoms are arranged. ... (talk.origins)
Re: Exos & anlylosis ... >to crown it anyway... ... last week I cut a LL wisdom tooth to ... >wants me to correct certain aspects, and get a better impression, but he ... Test your materials first though. ... (sci.med.dentistry)
Re: Did you stop? ... who's DNA-recipe is BBQ Beef?... If you're using common materials,... Steel is a common material in a car and in a skyscraper. ... (talk.origins)