현대문명이 발달됨에 따라 산업재해의 발생율이 지난 이십여년간 증가일로에 있으며, 특히 치과영역에 우발적 외상이 급격히 증가되는 추세에 있다. 이러한 사고나 재해는 치아중에서도 전치부 손상을 포함하는 경우가 많은데 주목하여 1975년 1월부터 1979년 12월까지 연세대학교 치과대학 부속병원에 내원한 환자 30,673명 중 상하악 전치부 외상환자 551명을 대상으로 임상적으로 추적 조사한 결과 다음과 같은 결론을 얻었다.
The more civilized, the more incidence had happened in our daily life, particularly in industrial factories, by traumatic injuries of anterior teeth by individual tooth, age, sex, cause of trauma, and how they were treated.
The following results were obtained:
1. Thd patients with traumatic injuries of the anterior teeth were 1.8% among the total dental out-patients.
2. By the age group, the twenties was most frequent in both sexes, and the teenagers next.
3. The preddominant causes of traumatic injuries in the dental field were traffic accident(23.4%), fighting(19.2%), falling(18.5%), and sports(7.3%).
4. In the classification of injuries of the teeth, uncomplicated crewn fractures(31.2%), subluxations(14.7%), and the complicated crown fractures(13.2%) were presented.
5. By the individual tooth in the traumatic cases, the upper cental incisors were most frequently injuried(49.8%).
6. In the treatments fillings and endodontic treatments(33.2%), splints(13.5%), extractions(11.7%) were main after care method.