TY - BOOK AU - Shereen Mohamed Elsayed AU - Shereen Adel Amin , AU - Suzanne Mahmoud Elsayed , TI - Fracture strength and gap distance of four - unit all - ceramic bridges using cerec - inlab system / PY - 2009/// CY - Cairo : PB - Shereen Mohamed Elsayed , KW - All - ceramic KW - Fracture strength KW - GAP distance N1 - Thesis (Ph.D.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Prosthodontics; Issued also as CD N2 - Forty four - unit anterior and posterior all - ceramic bridges constructed from In - Ceram YZ blocks using Cerec - inLab systems were fabricated . Twenty anterior and posterior metal - ceramic bridges were constructed as a control group . The anterior and posterior bridges were constructed with two different connector cross - sections (9 mm2 and 12 mm2) UR - http://172.23.153.220/th.pdf ER -