دراسة فعالية رفع قاع الجيب الفكي بطريقة البالون ومدى نجاحها

The research aims to Evaluate bone thickness when sinus floor is elevated with balloon and compare it with bone thickness when the other techniques of sinus floor elevation are applied. The balloon technique of sinus floor lifting is applied on 30 sinus lifting cases in 27 patients who have more than 2 teeth dental loose in posterior superior area and need sinus lifting for dental implantation in this area ( thickness of bone less than 5 mm ) at an age of 27- 55 years old at average of 48 years old. We exclude patients with general and local diseases and pregnancy. The work had been done in the oral and jaws surgery department in the Faculty of dentistry at Damascus University and patients had been followed up in 5 periods using dental cone beam radiography (after the surgery, after 3 months, after 6 months, after 9 months, after 1 year ) and the results have been compared with the results of the other sinus floor lifting techniques. The most important findings of the research are: there are statistic variations at confidence level of 95 % ( R= 5 % ) which obtained increase in bone thickness after sinus floor elevation with balloon with a success rate of ( 96,7 % ) after 6 months and (93,3 %) after 1 year. The research found a number of recommendations and proposals, including that of the balloon technique in sinus lifting being a safe and active method with little complications and at rate of success more than other techniques of sinus floor elevation except the osteotome technique supported with fiber optic.