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대한구강악안면임프란트학회지 2018 ; 22 (4) : p.32~47

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상악동 거상술을 동반하지 않는 치조제 보존술: 증례연구(Case series), Alveolar Ridge Preservation of Maxillary Molars for Implant Placement Without Sinus Lift Surgery: Case series

저자 조학연1, 서창완1, Hieu Pham Duong2, 이성조1, 조인우1, 신현승1, 구기태3, Stefan Fickl4, 박정철1,5*
논문 종류 증례보고 전문 보기 22-4_3.pdf 22-4_3.pdf
Sinus lift procedure is frequently required for the maxillary molar implant placement. Previous
studies have demonstrated alveolar ridge preservation (ARP) can maintain the dimensions of ridge
height and width. However, there is a lack of studies which evaluated the effect of ARP to avoid
sinus lift procedure. Purpose of this study is to describe a method reducing the need of sinus lift
surgery by ARP in maxillary molar areas and to assess the feasibility clinically, radiologically and
histologically. Ten maxillary molars in ten patients had severe vertical bone resorption with minimal
residual bone height. They were considered having the high possibility of the necessity of sinus
lift procedure for dental implant after the extraction. After extraction, open healing ARP with
deproteinized bovine bone mineral mixed with 10% collagen and resorbable collagen membranes
was performed. After sufficient healing, dental implants were placed, and evaluated clinically and
radiologically. Histological observation was conducted just before the implantation in one patient.
Implants were successfully placed without sinus lift in all ten cases. All the implants were restored
with no sign of complications, and patients are now in a close follow-up up to 20 months postloading.
Histological observation showed minimal inflammatory reaction and newly formed bone
was substantially noted. The ARP technique has successfully avoided the sinus lift surgeries. It
appears that this procedure may improve the simplicity of the clinical process for the clinicians and
reduce the discomfort of patients.
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