New Crestal Approach for Lifting Sinus in the Extremely Atrophic Upper Maxillae

New Crestal Approach for Lifting Sinus in the Extremely Atrophic Upper Maxillae

Sinus augmentation by crestal approach with the Sinus Physiolift device

_Since its introduction, sinus floor augmentation has generated great interest in the international scientific community and been subject to many changes in procedure. The first documented maxillary sinus augmentations using bone grafts date back to the work of Philip J. Boyne in the 1960s.1 An access osteotomy to elevate the sinus membrane can be performed by a vestibular or a crestal approach...

Treatment Options for Severely Atrophic Maxillae

In this chapter, two main treatment options for severely edentulous atrophic posterior maxillae—bone augmentation procedure and zygomatic implant application—are presented. Poor bone quality and insufficient bone volume due to critical jawbone atrophy in the posterior maxillae are addressed as the main factors contribute to the failure of dental implant system. The rationales behind the introdu...

Neurofibroma of sinus maxillae.

Neurofibroma is a benign tumour composed from Schwann cells. Localization in sinus maxillea is very rare. Authors presenting case which was treatment in Maxillo-Facial Surgery Clinic in Wrocław.

a new approach to credibility premium for zero-inflated poisson models for panel data

هدف اصلی از این تحقیق به دست آوردن و مقایسه حق بیمه باورمندی در مدل های شمارشی گزارش نشده برای داده های طولی می باشد. در این تحقیق حق بیمه های پبش گویی بر اساس توابع ضرر مربع خطا و نمایی محاسبه شده و با هم مقایسه می شود. تمایل به گرفتن پاداش و جایزه یکی از دلایل مهم برای گزارش ندادن تصادفات می باشد و افراد برای استفاده از تخفیف اغلب از گزارش تصادفات با هزینه پائین خودداری می کنند، در این تحقیق ...