Mawlood Qassab A, Hamad S. Comparison between diode laser and scalpel for lip lengthening in patients with gummy smile. J Bagh Coll Dent [Internet]. 15Mar.2019 [cited 19Nov.2019];31(1):60-4. Available from: http://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/2580