2. Levin L , Day PF , Abbott PV ,
et al. : International Association of Dental Traumatology guidelines for the management of traumatic dental injuries: General introduction.
Dent Traumatol, 36:309-313, 2020.
3. Peter EE , Andersson L , Sörensen S : Traumatic oral vs nonoral injuries. Swed Dent J, 21:55-68, 1977.
4. Bastone EB , Freer TJ , McNamara JR : Epidemiology of dental trauma: a review of the literature. Aust Dent J, 45:2-9, 2000.
5. Zhu N , Zhang D , Tan W ,
et al. : A novel coronavirus from patients with pneumonia in China, 2019.
N Engl J Med, 382:727-733, 2020.
6. Kim NS : Coronavirus infectious disease-19 status and tasks. Health and Welfare Issue & Focus, 373:1-13, 2020.
7. Lee SH , Kim JM : Coronavirus Disease 2019 (COVID-19): Pandemic and the Challenge of Public Health.
Korean J Fam Pract, 10:87-95, 2020.
9. Korean Academy of Pediatric Dentistry : Textbook of Pediatric Dentistry, 5th ed. Yenang inc;Seoul: 454-459, 2014.
10. Kim YJ , Kim SM , Choi NK : A Retrospective Study of the Pattern and Treatment of Traumatic Dental Injury to Primary and Permanent Teeth.
J Korean Acad Pediatr Dent, 41:314-321, 2014.
11. Bae DH , Kim JH : Retrospective Study of Traumatic Dental Injuries among Children Aged 0 - 15 Years in Wonju.
J Korean Acad Pediatr Dent, 44:64-71, 2017.
12. Baik BJ , Yang YM , Yang CH , Kim JG : An investigation of traumatic dental injuries in children. J Korean Acad Pediatr Dent, 28:600-612, 2001.
13. Chung CH , Lee JH , Kim SO , Choi BJ : Traumatic injuries to the upper incisors in primary and mixed dentition. J Korean Acad Pediatr Dent, 31:290-298, 2004.
14. Bae JH , Kim YK , Choi YH : Clinical characteristics of dental emergencies and prevalence of dental trauma at a university hospital emergency center in Korea.
Dent Traumatol, 27:374-378, 2011.
15. Choi SC , Park JH , Pae A , Kim JR : Retrospective study on traumatic dental injuries in preschool children at Kyung Hee Dental Hospital, Seoul, South Korea.
Dent Traumatol, 26:70-75, 2010.
16. Heo SK , Choi NK , Park JI , et al. : A retrospective study of the traumatic injuries in the primary and permanent teeth. J Korean Acad Pediatr Dent, 35:642-651, 2008.
17. Gassner R , Bösch R , Tuli T , Emshoff R : Prevalence of dental trauma in 6000 patients with facial injuries: Implications for prevention.
Oral Surg Oral Med Oral Pathol Oral Radiol Endod, 87:27-33, 1999.
18. Salem JE , Lily JL , Cutcher JL , Steiner M : Analysis of 523 mandibular fractures.
Oral Pathol Oral Radiol Endod, 26:390-395, 1968.
19. Sastry SM , Sastry CM , Champion HR ,
et al. : Leading causes of facial trauma in the major trauma outcomes tudy.
Plast Reconstr Surg, 95:196-197, 1995.
20. Hussain K , Wijetunge DB , Grubnic S , Jackson IT : A comprehensive analysis of craniofacial trauma.
J Trauma, 36:34-47, 1994.
21. Kim KY : Prevalance and type of traumatic injuries to the anterior teeth of pediatric dental patient. J Korean Dent Assoc, 37:897-903, 1999.