Review Article

Identification of Gingival Crevicular Fluid Sampling, Analytical Methods, and Oral Biomarkers for the Diagnosis and Monitoring of Periodontal Diseases: A Systematic Review

Table 7

Comparison of the mean of IL-1β concentration between different studies using the same analytical techniques.

Study[41][12][51][67][103]

ELISA kitStandard ELISA kit (Bender Med Systems, Vienna, Austria)Standard ELISA kit (Immunotech, France)Standard ELISA kit (RayBiotech)Standard ELISA kit (Quantikine R & D System)Standard ELISA kit (Biosource, Ontario, CA)

GCF collection methodPaper stripsMicrocapillary tubesPaper stripsPaper stripsPaper strips

Number of GCF samples220 µl414

Number of subjects20H, 20G, 20CP, 20GAgP30H, 30CP21H, 21G, 21CP, 21GAgP21H, 30CP10H, 25G

Mean and SD for IL-1β concentration (pg/ml) and clinical parameters for CP patients128.99409.2733 (98.0503)423.65 (35.24)72.5 (37.0)
PD = 5.24 (0.66)OHI-S = 5.1567 (1.4343)PD = 3.45 (0.46)PD = 6.4 (0.6)
CAL = 5.44 (0.63)GI = 1.7793 (0.4253)CAL = 3.62 (0.34)CAL = 5.4 (0.9)
PI = 3.91 (0.48)PDI = 4.0333 (1.1592)PI = 2.16 (0.28)PI (%) = 64.4 (18.8)
PBI = 2.61 (0.32)PD = 4.7667 (1.6333)GI = 2.18 (0.34)GI = 2.3 (0.8)
BOP = 2.0333 (0.8899)BOP = 81.24 ± 14.20

Mean and SD for IL-1β concentration (pg/ml) and clinical parameters for G patients45.6852.10 (7.15)17.8732 (10.0523)
PD = 2.51 (0.37)PD = 2.36 (0.23)PD = 1.3029 (0.3142)
CAL = 0.66 (0.57)CAL = 2.32 (0.18)CAL = 1.3029 (0.3142)
PI = 3.71 (0.57)PI = 1.68 (0.24)PI = 0.5563 (0.5410)
PBI = 2.16 (0.33)GI = 1.62 ± 0.28GI = 0.4832 (0.4959)
BOP = 71.24 ± 12.40GBI = 0.1635 (0.1904)

Mean and SD for IL-1β concentration (pg/ml) and clinical parameters for H subjects49.81195.77 (80.0795)36.44 (8.86)15.5 (14.0)14.0000 (9.9482)
PD = 1.5 (0.17)OHI-S = 2.0533 (0.1925)PD = 1.64 (0.42)PD = 1.5 (0.9)PD = 1.0728 (0.0689)
CAL = 0.04 (0.06)GI = 0.2333 (0.4302)CAL = 1.74 (0.42)CAL ≤ 1CAL = 1.0728 (0.0689)
PI = 1.41 (0.39)PDI = 0.2333 (0.4302)PI = 1.28 (0.12)PI (%) = 45.8 (12.7)PI = 0.1883 (0.2346)
PBI = 0.36 (0.22)PD = 0.0000 (0.0000)GI = 1.25 (0.11)GI = 0.7 (0.3)GI = 0.0000 (0.0000)
BOP = 0.0000 (0.0000)BOP = 5.80 (3.50)GBI = 0.0000 (0.0000)

Mean and SD for IL-1β concentration (pg/ml) and clinical parameters for GAgP patients93.78110.23 (9.20)
PD = 5.03 (1.09)PD = 3.83 (0.54)
CAL = 5.39 (1.97)CAL = 3.93 (0.27)
PI = 3.55 (1.09)PI = 2.42 (0.35)
PBI = 2.15 (0.91)GI = 2.31 (0.44)
BOP = 86.41 (10.20)

CAL = clinical attachment loss. PBI = papilla bleeding index. OHI-S = simplified oral hygiene index. GI = gingival index. PDI = periodontal disease index. PD = probing depth. BOP = bleeding on probing. GBI = gingival bleeding index. PI = plaque index.