This book is intended to evaluate the effect of the size of occlusal contact areas of single implant supported restoration on occlusal load distribution on adjacent premolars using a digital occlusal analyzer (T-Scan).Twenty four patients with missed lower first molar were received delayed dental implants, where they divided into 2 main groups according to the presence or absence of adjacent lower second molar (n=12). Group ( ): Patients with missing mandibular first molar with the presence of adjacent second molar and premolar teeth, while group( ): Patients with missing mandibular first...