Author = Mohamad Hossam El-Din Helmy
Implant supported mandibular overdentures with Locator attachments in patients with resorbed mandibular ridges. A cross over study of patient satisfaction and oral health related quality of life

Volume 66, Issue 1 - January (Fixed Prosthodontics, Dental Materials, Conservative Dentistry & Endodontics), January 2020, Pages 671-681

Shahinaz Sayed Mohamed Hassan; Mohamad Hossam El-Din Helmy


Marginal bone height changes around maxillary and mandibular implants supportin g All on four fixed detachable prosthesis. One-year prospective study

Volume 64, Issue 4 - October (Fixed Prosthodontics, Dental Materials, Conservative Dentistry & Endodontics), October 2018, Pages 3771-3780

Ahmad Fathalla Shawky; Mohamad Hossam El- Din Helmy; Hebatalla Mahmoud El Afandy