上顎洞底に隔壁を有する症例に対するDouble-window Techniqueによる上顎洞底挙上術

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In most edentulous alveolar ridges of the posterior maxilla, a deficiency of vertical bone height is noted for constructing dental implants. The maxillary sinus floor elevation procedure was developed to increase the alveolar osseous height of the posterior maxilla to provide an adequate base for implant placement. This method is currently becoming very popular worldwide. While disorders and anatomic variations of maxillary sinus are sometimes present, the most common anatomic variation is a maxillary sinus septum. In the present study, maxillary sinus septa existed in 22 sinuses of 83 surgical sites in our maxillary sinus floor elevation procedures and a total of 32 septa existed in the 20 sinuses. Four types of countermeasures were used on the maxillary sinus septa, the first of which created two trap doors on both sides of the septum (7 cases). The second method elevates the one compartment between the septa (6 cases), the third gently elevates the sinus membrane on the septum through the one access window (8 cases), and the fourth creates a W-formed cutting of the lower border of the trap door to avoid the sinus septum (1 case). In 7 of 19 sinuses two trap doors were created on both sides of the septum. The trap doors and sinus mucus membrane were carefully elevated from the sinus floor. Two spaces on both sides of the septum were continued beneath the sinus membrane. Implants were then placed and graft bone was packed around the implants. No implants failed and no complications occurred in these 7 cases.
福岡歯科大学学会の論文
2007-12-31

上顎洞底に隔壁を有する症例に対するDouble-window Techniqueによる上顎洞底挙上術

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