Examination of the teeth for individual defects is a surgical subject. 检查牙齿的个别缺损是外科的事。
However, there is evidence that medical and surgical intervention can increase life expectancy and improve quality of life. 然而，有证据表明内科和外科的治疗干预能延长病人的生命和改善病人的生活质量。
Acupuncture anesthesia is rapidly gaining ground in surgical operations. 针刺麻醉在外科手术上正在得到广泛应用。
