Table 5.
Intra- and Interexaminer errors to biomechanics variables.
| Biomechanics variables | Intraexaminer |
Interexaminer |
||||
|---|---|---|---|---|---|---|
| MME | Lower limit | Upper limit | MME | Lower limit | Upper limit | |
| Right side | ||||||
| MUSCLE MOMENT ARM (mm) | ||||||
| Superficial masseter | 0.22 | 0.17 | 0.29 | 0.41 | 0.33 | 0.55 |
| Anterior deep masseter | 0.21 | 0.17 | 0.29 | 0.35 | 0.28 | 0.48 |
| Posterior deep masseter | 0.23 | 0.18 | 0.31 | 0.81 | 0.65 | 1.09 |
| Anterior temporal | 0.21 | 0.17 | 0.29 | 0.33 | 0.27 | 0.45 |
| Posterior temporal | 0.19 | 0.15 | 0.25 | 0.35 | 0.28 | 0.47 |
| Medial pterygoid | 0.42 | 0.34 | 0.57 | 0.75 | 0.60 | 1.01 |
| Lateral pterygoid | 0.33 | 0.26 | 0.44 | 0.82 | 0.66 | 1.11 |
| LOAD MOMENT ARM (mm) | ||||||
| Molar | 0.25 | 0.20 | 0.34 | 0.46 | 0.37 | 0.62 |
| Incisal | 0.44 | 0.35 | 0.60 | 0.49 | 0.39 | 0.66 |
| MECHANICAL ADVANTAGE | ||||||
| Molar position | ||||||
| Superficial masseter | 0.00 | 0.00 | 0.01 | 0.01 | 0.01 | 0.01 |
| Anterior deep masseter | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 |
| Posterior deep masseter | 0.00 | 0.00 | 0.00 | 0.01 | 0.01 | 0.02 |
| Anterior temporal | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 |
| Posterior temporal | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 |
| Medial pterygoid | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.02 |
| Lateral pterygoid | 0.00 | 0.00 | 0.01 | 0.01 | 0.01 | 0.02 |
| Incisal position | ||||||
| Superficial masseter | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 |
| Anterior deep masseter | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Posterior deep masseter | 0.00 | 0.00 | 0.00 | 0.01 | 0.01 | 0.01 |
| Anterior temporal | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Posterior temporal | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Medial pterygoid | 0.00 | 0.00 | 0.01 | 0.01 | 0.01 | 0.01 |
| Lateral pterygoid | 0.00 | 0.00 | 0.00 | 0.01 | 0.01 | 0.01 |
| Left side | ||||||
| MUSCLE MOMENT ARM (mm) | ||||||
| Superficial masseter | 0.42 | 0.34 | 0.57 | 0.66 | 0.52 | 0.89 |
| Anterior deep masseter | 0.19 | 0.15 | 0.25 | 0.31 | 0.25 | 0.42 |
| Posterior deep masseter | 0.37 | 0.30 | 0.50 | 0.58 | 0.46 | 0.78 |
| Anterior temporal | 0.21 | 0.17 | 0.29 | 0.29 | 0.23 | 0.39 |
| Posterior temporal | 0.19 | 0.15 | 0.26 | 0.31 | 0.24 | 0.41 |
| Medial pterygoid | 0.24 | 0.19 | 0.32 | 0.66 | 0.53 | 0.89 |
| Lateral pterygoid | 0.30 | 0.24 | 0.40 | 0.96 | 0.76 | 1.29 |
| LOAD MOMENT ARM (mm) | ||||||
| Molar | 0.31 | 0.25 | 0.42 | 0.42 | 0.33 | 0.56 |
| Incisal | 0.42 | 0.34 | 0.57 | 0.48 | 0.38 | 0.65 |
| MECHANICAL ADVANTAGE | ||||||
| Molar position | ||||||
| Superficial masseter | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 |
| Anterior deep masseter | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 |
| Posterior deep masseter | 0.00 | 0.00 | 0.01 | 0.01 | 0.01 | 0.01 |
| Anterior temporal | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 |
| Posterior temporal | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 |
| Medial pterygoid | 0.00 | 0.00 | 0.00 | 0.01 | 0.01 | 0.01 |
| Lateral pterygoid | 0.00 | 0.00 | 0.01 | 0.01 | 0.01 | 0.02 |
| Incisal position | ||||||
| Superficial masseter | 0.00 | 0.00 | 0.01 | 0.01 | 0.00 | 0.01 |
| Anterior deep masseter | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Posterior deep masseter | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.01 |
| Anterior temporal | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Posterior temporal | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Medial pterygoid | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.01 |
| Lateral pterygoid | 0.00 | 0.00 | 0.00 | 0.01 | 0.01 | 0.01 |
MME: Method of moments variance estimator.