Publications by authors named "Hussain Adnan Aldhaher"
Background: Hyperfunction of the muscles of the upper lip is considered as the most common cause of excessive gingival display (EGD). The aim of this study was to demonstrate the effectiveness of botulinum toxin (BT) injection as a conservative treatment for EGD due to muscular hyperfunction and to compare the outcome of 2 injection methods.
Material And Methods: This study included 40 participants who were randomly assigned into 2 groups of 20 each, The first group received 2.