Questionnaire grading key.

Table 2: Questionnaire grading key.

Questions	Subject	Question type	Question score	Total score
1	Previous experience of dental trauma	Yes/No	0	0
2-4	General knowledge on dental avulsion	Yes/No	5	15
5-10	Particular knowledge on avulsion and replantation	Free text	6	36
11	Tooth preservation outside the socket	Multiple choice	2	2
12-13	Tooth preservation outside the socket	Free text	3	6
14-16	Tooth preservation media and solutions	Free text	5	15
17-29 True	Tooth preservation media and solutions	True/False	2	26
				100

The questionnaires were graded according to a key developed by the authors.