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KMID : 1004520170330010047
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Journal of Dental Rehabilitation and Applied Science
2017 Volume.33 No. 1 p.47 ~ p.54
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Implant placement simultaneously sinus augmentation using crestal approach in severely atrophic maxilla; minimally invasive approach
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Kim Hyun-Joo
Kwon Eun-Young
Choi Jeom-Il
Lee Ju-Youn
Joo Ji-Young
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Abstract
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The atrophy of edentulous ridge and pneumatization of the maxillary sinus often limit the volume of bone available for implant placement on maxillary posterior teeth. Most clinicians suffer difficulties from poor bone quality and quantity on maxillary posterior site. Thus, the success of maxillary posterior implant surgery depends on the increase of the available bone and obtaining a good initial stability of the implant after maxillary sinus reconstruction. The maxillary sinus augmentation methods include a crestal approach and a lateral approach. Less morbidity and complications after operation is major advantage to sinus augmentation using crestal approach than lateral approach. However, when the residual ridge height is ≥ 6 mm, it is known that crestal approach is appropriate. Also delayed implantation after sinus augmentation is recommended in severely atrophic ridge. We present the three cases of implant placement simultaneously sinus augmentation using crestal approach in posterior maxilla site with ≤ 3 mm of residual alveolar bone.
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KEYWORD
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dental implants, maxillary sinus, alveolar bone grafting, molar
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