Table 1.
Characteristics of the Studies Included in the Systematic Review of the Effects of Oxalates on Dentin Hypersensitivity
| Design | Country | Setting | N of Observations by Group | Age (yrs) | Experimental Intervention | Pain Stimuli | |
|---|---|---|---|---|---|---|---|
| Pamir et al., 2007 | RCT | Turkey | University | 15 / 15 | 18–57 | 3% monohydrogen-monopotassium oxalate gel | Thermal, evaporative |
| Gillam et al., 2004 | RCT, split-mouth | United Kingdom | University | 13 / 13 | Mean 46.2 | 6.8% ferric oxalate | Thermal, tactile, evaporative |
| Pillon et al., 2004 | RCT, split-mouth | Brazil | University | 15 / 15 | NR | 3% monohydrogen-monopotassium oxalate gel | Routine activities of eating, drinking, and tooth cleaning |
| Camps and Pashley, 2003 | RCT, split-mouth | France | University | 87 / 87 | 17–52 | 3% monohydrogen-monopotassium oxalate gel | Tactile, evaporative |
| Pereira et al., 2001 | RCT, split-mouth | Brazil | University | 23 / 21 / 24 / 14 | 21–45 | 3% monohydrogen-monopotassium oxalate gel, pH 2.5 and pH 4change/6% monohydrogen-monopotassium oxalate gel | Tactile, evaporative |
| Morris et al., 1999 | RCT, split-mouth | United States | Military | 10 / 10 | 21–43 | Oxalate-containing pre-polymerized resin solution | Tactile, evaporative |
| Gillam et al., 1997 | RCT, split-mouth | United Kingdom | University | 11 / 33 | Mean 45.1 | 3% monohydrogen-monopotassium oxalate | Thermal, tactile, evaporative |
| Holborow, 1994 | RCT, split-mouth | New Zealand | NR | 30 / 30 | NR | 3% monohydrogen-monopotassium oxalate | Thermal, tactile |
| Cuenin et al., 1991 | RCT | United States | Military | 6 / 7 | 29–68 | 3% monohydrogen-monopotassium oxalate | Evaporative |
| Cooley and Sandoval, 1989 | RCT, split-mouth | United States | University | 28 / 28 | NR | 30% dipotassium oxalate + 3% monohydrogen-monopotassium oxalate | Thermal |
| Muzzin and Johnson, 1989 | RCT, split-mouth | United States | University | 17 / 17 / 17 / 17 | 23–68 | 30% dipotassium oxalatechange/3% monohydrogen-monopotassium oxalatechange/30% dipotassium oxalate + 3% monohydrogen-monopotassium oxalate | Thermal |
| Hansson, 1987 | RCT | United States | University | 14 / 14 | 23–63 | 30% dipotassium oxalate + 3% monohydrogen-monopotassium oxalate | Thermal, routine stimuli |
RCT, randomized controlled trial; NR, not reported.