id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
mkg-1050	Abdullah, Dalia; Abdullah, Mariam	Accuracy of a fourth generation apex locator-an in vitro evaluation	2007	4	.pdf	application/pdf	2820	144	58	Before the development of electronic apex locators, working length was determined by measuring tooth length in pre-operative radiographs. figure 2. elements apex locator.	cache/mkg-1050.pdf	txt/mkg-1050.txt