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pro vyhledávání: '"Krishna Kumar V. B. Raja"'
Publikováno v:
Journal of Oral Implantology. 40:281-284
Iatrogenic injury to the maxillary sinus membrane is a common complication during direct sinus lift procedures. The most common cause is perforation of the Schneiderian membrane using a tungsten-carbide round bur no.6. We propose a safe technique in