Table 1.
Comparing CDL measurements made by multiple studies
| Authors | Year | Location of CDL | Modality | Method | # of Samples | Mean (SD) | Range of Values |
|---|---|---|---|---|---|---|---|
| Retzius | 1884 | OC | Histology | Direct | 5 | 33.5 (0.8) | 32 – 34 |
| Hardy | 1938 | OC | Histology | Indirect | 68 | 31.52 (2.3) | 25.26 – 35.45 |
| Bredberg | 1968 | OC | Histology | Direct | 35 | 34.0 (1.3) | 30.3 – 37.6 |
| Walby | 1985 | OC | Histology | Indirect | 20 | 32.6 (2.1) | 30.1 – 36.4 |
| Ulehlova et al. | 1987 | OC | Histology | Direct | 50 | 34.2 (2.9) | 28.0 – 40.1 |
| Pollak et al. | 1987 | OC | Histology | Indirect | 9 | 28.4 (3.4) | 24.0 – 33.5 |
| Wright et al. | 1987 | OC | Histology | Direct | 14 | 32.9 (2.6) | 28.8 – 36.6 |
| Takagi & Sando | 1989 | OC | Histology | 3D reconstruction | 1 | 36.4 (n/a) | - |
| Sato et al. | 1991 | OC | Histology | 3D reconstruction | 18 | 34.73 (2.9) | 29.7 – 38.9 |
| Kawano et al. | 1996 | OC | Histology | 3D reconstruction | 8 | 35.58 (1.4) | 34.2 – 37.9 |
| LW | Histology | 3D reconstruction | 8 | 40.81 (2.0) | 37.93 – 43.81 | ||
| Ketten et al. | 1998 | OCa | In vivo CT | Spiral coefficients | 20 | 33.01 (2.3) | 29.07 – 37.45 |
| Skinner et al. | 2002 | OCa | In vivo CT | Spiral coefficients | 26 | 34.62 (1.2) | 32.94 – 36.57 |
| Sridhar et al. | 2006 | OC | Histology | Direct | 7 | 33.31 (2.4) | 30.5 – 36.87 |
| Stakhovskaya et al. | 2007 | OC | Histology | Direct | 9 | 33.13 (2.1) | 30.5 – 36.87 |
| Erixon et al. | 2009 | LW | Plastic casts | Indirect | 58 | 42.0 (2.0) | 38.6 – 45.6 |
| Lee et al. | 2010 | OC | Histology | Indirect | 27 | 30.8 (2.6) | 25.5 – 35.1 |
| Erixon & Rask-Anderson | 2013 | LW | Plastic casts | Indirect | 51 | 41.2 (1.9) | 37.6 – 44.9 |
| Wurfel et al. | 2014 | LW | In vivo CBCT | 3D reconstruction | 436 | 37.9 (2.0) | 30.8 – 43.2 |
| Meng et al. | 2016 | LW | In vivo CT | 3D reconstruction | 310 | 35.8 (2.0) | 30.7 – 42.2 |
aMeasured LW and interpolated into the OC location