the present study is to compare the amniotic chorion membrane (ACM) alone versus the amniotic chorion membrane combined with xenograft for their efficacy in alveolar ridge preservation procedures regarding volumetric changes assessed by cone beam computed tomography (CBCT).

Inclusion Criteria:

• Patients require extraction of a non-restorable (premolar or anterior tooth) located in the maxillary arch and needs implant restoration.
• Type two sockets will be selected as revealed by Cone beam computed tomography(CBCT)
• Absence of any systemic disease or drugs that contraindicate oral surgery using Modified Cornell Medical Index
• Male and female within age range of 20-45 years.

Exclusion Criteria:

• Smokers.
• Patients with poor oral hygiene or non-compliant patients who are not willing to perform oral hygiene measures.
• Pregnant and breast-feeding females.
• Patients with acute peri-apical infection or sinus tract.
• Vulnerable group of patients as handicapped patients, orphans,prisoners,etc