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Table 4 Vertical discrepancy and impression technique accuracy

From: Implant impression accuracy of parallel and non-parallel implants: a comparative in-vitro analysis of open and closed tray techniques

Variables

Impression technique

Vertical discrepancy

Total

P value

Yes (%)

No (%)

Impression technique

Open

20 (20.8%)

76 (79.2%)

96

0.037*

Closed

32 (33.3%)

64 (66.7%)

96

Total

52 (27%)

140 (73%)

192

Parallel implant

Open

8 (16.7%)

40 (83.3%)

48

0.112

Closed

14 (29.2%)

34 (70.8%)

48

Total

22 (23%)

74 (77%)

96

Non-parallel implant

Open

12 (25%)

36 (75%)

48

0.135

Closed

18 (37.5%)

30 (62.5%)

48

Total

30 (31%)

66 (69%)

96

  1. Chi-square test, P value < 0.05 statistically significant
  2. *The differences between open and closed tray techniques accuracy regarding vertical discrepancy