A. M. Leyda et al. / Open Journal of Stomatology 1 (2011) 84-91 91
showing that girls had significantly higher levels of den-
tal anxiety than boys even in adolescent patients with
greater levels of personal maturity [22].
5. CONCLUSIONS
As a result of this study we can conclude that LPO4%
was as capable as Hurricaine® in reducing pain gener-
ated by needle puncture for local anesthesia infiltration.
When faced with needle puncture for local infiltration
anesthesia by mandibular and buccal nerve block in 5 to
12 years old, girls expressed more pain by ocular ex-
pression than boys and a significant increase in heart rate
was found in girls at the end of the therapeutic treat ment.
By age, children from 9 to 12 years old expressed more
discomfort by sound expression than children from 5 to
8 years old. In the same way the younger children ex-
pressed more wellness before the procedure than older
children.
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