Radiographical, Histomorphometrical and Biomarker Analysis After Maxillary Sinus Augmentation Utilizing Xenograft Particulate Bone Graft Mixed With Parathyroid Hormone

Exclusion Criteria

• •Medically compromised patients with any of the following conditions that could interfere with normal healing potential or osseointegration such as uncontrolled diabetes mellitus, currently on chemotherapy, corticosteroid or bisphosphonate, radiotherapy of the head and neck in the past 2 years, bleeding disorders, ongoing pregnancy, thyroid hormones problems and psychiatric disorders.
• •The RBH ˃ 3 mm.
• •Thickness of the SM ˃ 5 mm.
• •Maxillary sinusitis (acute and chronic) or any other pathologies in the MS.
• •Previous MS surgery.
• •Heavy smoking ˃ 20 cigarettes daily and/or alcohol abuse.
• •Parafunctional habits such as severe bruxism and clenching.