Abdul – Rahman DHA – R. Analysis of the relation between lip length, free way space, closest speaking space, arch size concerning palatal-depth relativity. MDJ [Internet]. 2018 Mar. 26 [cited 2024 May 5];6(2):152-8. Available from: https://mdj.uomustansiriyah.edu.iq/index.php/mdj/article/view/453