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대한구강악안면임프란트학회지 2017 ; 21 (3) : p.26~35

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Implant Placement in Posterior Maxilla Using Modified Lateral Approach: Case Reports

저자 Ji-Youn Hong, Yeek Herr, Jong-Hyuk Chung, Seung-Il Shin, Hyun-Chang Lim, Seung-Yun Shin
논문 종류 증례보고 전문 보기 21-3_26-35.pdf 21-3_26-35.pdf
Conventional osteotome-mediated transalveolar approach might bring out patient’s discomfort
related to the malleting and unexpected sinus membrane perforation could be overlooked due to
its blindness in access. A modified lateral approach, so call hybrid technique, introduced by
Jung et al. utilized a minimized linear shaped osteotomy at the lateral wall to provide visual and
instrumental access while elevating the sinus floor with transalveolar approach. Through the
linear osteotomy, the Schneiderian membrane was detached limitedly in the internal surface of
the floor prior to the drill penetration into the sinus and lifting with the hydraulic plug. Two
clinical cases that used hybrid technique for the sinus floor elevation spontaneously with
multiple implant placements were shown in the present reports. Preoperative remaining bone
height ranged from 5 mm to 7 mm and 10 mm length of implants were installed with the vertical
bone augmentation of 5~6 mm, which maintained through the follow-up period of 4 and 6 years.
None of the cases were involved with the membrane perforation. From the clinical results,
hybrid technique was considered to be an effective and noninvasive procedure for sinus floor
elevation with spontaneous implant placement in atrophied posterior maxilla.
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