双颌前突发病率高，对面部美观破坏较大，可影响患者心理健康；其临床表现为开唇露齿、上下前牙区牙槽骨垂直向及矢状向发育过度等。严重......

NBTI-induced transistor aging has become a prominent factor affecting the reliability of circuits. Reducing leakage cons......