Clinical Study
Are Hyoid Bone and Tongue the Risk Factors Contributing to Postoperative Relapse for Mandibular Prognathism?
Table 5
Pearson correlation between surgical relapse (T4-T2) and immediate change (T2-T1) in the various parameters.
| | | Me (T4-T2) | | | Horizontal | Vertical | | | CC | CC |
| | Landmarks | | | | | | Horizontal (mm) | | | | | | Me (T2-T1) | −0.512 | | −0.347 | | | H (T2-T1) | −0.271 | — | −0.199 | — | | G (T2-T1) | −0.169 | — | −0.133 | — | | Tm (T2-T1) | −0.002 | — | −0.139 | — | | V (T2-T1) | −0.234 | — | −0.169 | — | | Vertical (mm) | | | | | | Me (T2-T1) | −0.181 | — | −0.586 | | | H (T2-T1) | −0.224 | — | −0.231 | — | | G (T2-T1) | 0.123 | — | −0.218 | — | | Tm (T2-T1) | 0.045 | — | −0.045 | — | | V (T2-T1) | −0.228 | — | −0.153 | — | | Linear distance (mm) | | | | | | H-G | 0.037 | — | −0.046 | — | | H-V | 0.014 | — | 0.021 | — | | Tongue depth | −0.111 | — | −0.301 | — | | Tongue base | 0.155 | — | 0.003 | — | | Angular degrees (°) | | | | | | G-PNS-ANS | 0.198 | — | 0.047 | — | | H-PNS-ANS | 0.323 | — | 0.076 | — | | G-H-V | 0.094 | — | 0.278 | — |
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CC: correlation coefficients.
: significant, ; —: not significant.
T2-T1: postsurgical immediate change.
T4-T2: over 1 year surgical relapse.
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