Made available in DSpace on 2020-12-10T16:34:32Z (GMT). No. of bitstreams: 0 Previous issue date: 2007-03-01. Added 1 bitstream(s) on 2021-07-15T15:24:42Z : No. of bitstreams: 1 S1678-77572007000200003.pdf: 91698 bytes, checksum: 8a0c9367f4fa9382816401ba4c868831 (MD5); Objective: The efficiency of rotary, manual and ultrasonic root canal instrumentation techniques was investigated in proximally flattened root c...