Periodontal results of different therapeutic approaches (open vs. closed technique) and timing evaluation (< 2 year vs. > 2 year) of palatal impacted canines: a systematic review

Table 1 Keywords used for pubmed search

	Keywords	Items found
1	Palatally impacted canine	360
2	Palatal canine impaction	433
3	Palatally displaced canine	192
4	Canine impaction surgical orthodontic treatment	370
5	Canine impaction surgical orthodontic treatment effect	34
6	Palatal impacted canine treatment	304
7	Palatally displaced canine treatment	104
8	Palatal canine impaction AND treatment	302
9	Palatal displaced canine AND treatment	109
10	Palatal canine AND treatment AND side effect	56
11	Palatally impacted canine AND treatment AND side effect	8
12	Palatally impacted canine AND treatment AND periodontal status	22
13	Palatal impacted canine AND treatment AND surgical orthodontic	130
14	Palatal impacted canine AND open technique	20
15	Post-treatment AND palatal impacted canine	14
16	Adverse effect AND treatment AND palatal impacted canine	5
17	Side effect AND treatment AND palatal impacted canine	9

ISSN: 1472-6831