Evaluation of Dimensional Changes of Graft Material in Sinuses Reinforced by Lateral Window Lift Sinus.

Autor: Shayesteh, Yadollah Soleimani, Panjnoosh, Mehrdad, Shamshiri, Ahmadreza, Khalilnejad, Amin, Bayani, Mojtaba, Panjalizadeh, Mohammad Mehdi
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Zdroj: Journal of Isfahan Dental School; Summer2021, Vol. 17 Issue 2, p191-197, 7p
Abstrakt: Introduction: Maxillary sinus augmentation and placement of dental implants is a well-established technique for functional and esthetic rehabilitation of partially or completely edentulous patients with severe maxillary atrophy. This study aimed to investigate dimensional changes of xenogarfts + allografts used for maxillary sinus augmentation in three directions and aspects of height, length and thickness by six months after sinus augmentation. Materials & Methods: A total of 12 patients who underwent maxillary sinus augmentation by the approach of lateral window open sinus lift in Tehran university of medical sciences, and by application of xenografts + allografts were radiologically followed up and sequences of CBCT (Cone beam computed tomography) images taken immediately after graft placement and six months later. Data analyzed with Paired T-test in the 0.05 level of significance. Results: The calculated mean resorption in aspects of height, length and thickness of grafted materials after six months was 2.99, 2, 37 and 1, 72 mm. with SD of 2.64-1.41 and 1.95 Conclusion: In compared results of our study and other similar articles, it considered that directional changes of xenografts + allografts by six months after graft placement is mild to moderate, but it provides a reasonable density of new bone formation before implant placement. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index