Research Article
Strain Distribution in a Kennedy Class I Implant Assisted Removable Partial Denture under Various Loading Conditions
Table 1
Mean microstrain on metal and acrylic surfaces under different loading conditions.
| | | | | Mesial of the ridge | Around implant | | | Orientation of gage | Buccal direction | Anterior direction | Buccal direction | Lingual direction | Anterior direction | Posterior direction | | | | | Left side | Right side | Left side | Right side | Left ridge | Right ridge | Left ridge | Right ridge | Left ridge | Right ridge | Left ridge | Right ridge |
| | Bilateral loading | Premolar
| Metal | 92.5 (2.3) | 133.5 (3.4) | 11.4 (1.2) | −33.2 (2.9) | 4.7 (0.3) | 2.8 (1.9) | −76.6 (1.9) | 16.1 (2.1) | 0 (1.2) | −23.6 (2.1) | 1.0 (0.9) | −2.7 (1.8) | | Acrylic | 228.7 (1.3) | 127.9 (1.0) | 6.5 (1.9) | −14.7 (2.2) | 132.2 (2.0) | 28.6 (1.0) | 51.2 (1.2) | 49.8 (3.7) | 14.3 (1.6) | 20.9 (1.6) | 46.1 (3.8) | 9.0 (2.3) | Molar
| Metal | 70.3 (2.8) | 91.3 (2.0) | 6.6 (0.6) | −29.1 (1.7) | 14.8 (0.4) | 14.5 (2.2) | −79.1 (2.1) | 27.2 (2.5) | 4.4 (1.0) | 26.0 (0.5) | 0.2 (0.1) | 2.1 (2.2) | | Acrylic | 148.4 (4.5) | 88.5 (0.7) | −2.0 (0.4) | −13.2 (2.5) | 174.4 (2.7) | 25.5 (1.8) | 77.0 (2.3) | 51.2 (1.0) | 31.2 (1.4) | 43.7 (1.1) | 58.8 (4.5) | 14.1 (0.4) | Uniform
| Metal | 59.6 (2.9) | 109.5 (2.0) | 13.0 (1.8) | −46.1 (1.0) | 3.9 (1.9) | 9.7 (0.9) | −60.7 (2.8) | 23.5 (1.0) | 1.7 (1.2) | −5.4 (1.8) | 0.4 (0.1) | −4.2 (1.9) | | Acrylic | −25.2 (2.1) | 8.4 (4.2) | −22.6 (6.9) | −16.5 (10.1) | 255.8 (15.2) | 45.4 (11.7) | 140.0 (2.1) | 61.7 (4.7) | 2.4 (4.0) | 5.3 (2.7) | 74.5 (4.7) | 28.1 (4.0) |
| | Unilateral loading | Premolar
| Metal | | −56.5 (0.8) | | 43.4 (4.9) | | −2.1 (1.0) | | −32.1 (1.8) | | 11.6 (0.7) | | 9.0 (0.5) | | Acrylic | | −1.1 (0.4) | | −46.1 (3.6) | | 46.5 (1.6) | | 87.7 (1.8) | | 0.6 (0.3) | | 13.6 (1.6) | Molar
| Metal | | −47.1 (1.5) | | 32.4 (1.4) | | −3.2 (0.6) | | −21.5 (1.5) | | 7.0 (0.7) | | 6.3 (1.4) | | Acrylic | | 234.0 (2.6) | | −34.6 (3.7) | | 37.6 (3.2) | | 97.6 (1.8) | | 76.5 (3.7) | | 21.0 (3.6) | Uniform
| Metal | | −19.9 (2.9) | | 15.4 (2.3) | | −6.2 (1.7) | | −10.4 (2.1) | | 0.7 (1.4) | | 4.0 (1.9) | | Acrylic | | 59.1 (1.0) | | −8.1 (3.2) | | 52.1 (1.4) | | 91.6 (1.4) | | 46.3 (3.1) | | 37.4 (1.6) |
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Negative µStrain indicates compression.
Positive µStrain indicates tension.
Standard deviation in brackets.
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