Guest guest Posted February 22, 2012 Report Share Posted February 22, 2012 about the safety zone[radiation protection] some books says 1.5 meter and some says 2.5 .so which one is the right choice .again same with perm. teeth develop. some says it starts at 20 weeks in utero life and some says different thing .need your op. about both . cheers Quote Link to comment Share on other sites More sharing options...
Guest guest Posted February 22, 2012 Report Share Posted February 22, 2012 Hi areejRegarding permanent molars,it starts at 20 week in utero.This is according to tencate. From: Areej Abbas <areej.aldura@...> " " < > Sent: Wednesday, 22 February 2012 10:34 AM Subject: 2 ORE Q about the safety zone[radiation protection] some books says 1.5 meter and some says 2.5 .so which one is the right choice .again same with perm. teeth develop. some says it starts at 20 weeks in utero life and some says different thing .need your op. about both . cheers Quote Link to comment Share on other sites More sharing options...
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