Table 3.
Comparison of various studies with our center’s study
| Reference | Number of teeth | Type of study | 1 canal % | 2 canal % |
|---|---|---|---|---|
|
| ||||
| Pomeranz, Fishelberg (1974) (24) | 71 | Clinical RCTa | 72.0% (51) | 28.0% (20) |
| Slowey, RR (1974) (40) | 103 | Clinical radiographic examination | 49.6% (51) | 50.4% (52) |
| Sempira, HN and Hartwell, GR (2000) (12) | 130 | Clinical RCTa using SOMb or loupes | 66.9% (87) | 33.1% (43) |
| Buhrley, LJ et al (2002) (6) | 208 | Clinical RCTa using SOMb or loupes | 29.9% (62) | 71.1% (148) |
| Wolcott, J et al (2002) (3) | 1193 | Clinical examination of RCTa treated and retreated teeth | 39.0% (465) | 61.0% (728) |
| Present study (2012) | 53 | Clinical RCTa and using loupes | 49.1% (26) | 50.9% (27) |
a
Root Canal Treatment.
b
Surgical Operating Microscope.