this research is coming as a completion to the previous researcher potential on the field of measuring thermal efficiency evaluation for building shapes ,according too climatic thermal environment ,in order to reach optimal thermal building shape ....

ياتي هذا البحث استكمالا لجهود الباحثين السابقة في مجال قياس كفاءة الاشكال البنائية تجاه المؤثرات الحرارية للبيئة المناخية وصولا الى تحقيق الشكل الامثل لغلاف المبنى . و يشير مبدا الشكل المثالي الى محاولة مجانسة تاثير القوى علية و بالتالي الحاجة الى اقل طاقة ممكنة للمحافظة على الشكل و خصائصة المميزة ............

environment --- building behavior --- البيئة --- سلوك المبنى

ln this study an attempt was made to_ estimate the knowledge and behavior inregard to the use of inter dental cleaning aids among lraqi dental students at differentlevels of dental study .Two hundred seventy four Iraqi dental student in College ofDentistry, University of Al-Mustansiria were questioned by a suitable questionnairedesigned for this purpose about their knowledge and behavior in relation to the use ofinterdental cleaning measures .Results of this study showed that their informationabout this subject may need to be reviewed

nterdental cleaning --- interproximal --- periodontal --- dental students --- behavior --- knowledge .