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Long-term evaluation of sinus floor elevation using a modified lateral approach in the posterior maxilla

Authors
 Ji‐Youn Hong  ;  Won‐Sun Baek  ;  Jae‐Kook Cha  ;  Hyun‐Chang Lim  ;  Jung‐Seok Lee  ;  Ui‐Won Jung 
Citation
 CLINICAL ORAL IMPLANTS RESEARCH, Vol.28(8) : 946-953, 2017 
Journal Title
CLINICAL ORAL IMPLANTS RESEARCH
ISSN
 0905-7161 
Issue Date
2017
Keywords
nt survival rate ; lateral approach ; remaining bone height ; sinus floor elevation ; transalveolar approach
Abstract
OBJECTIVES: The aim of this study was to evaluate the hybrid technique, which was modified from the lateral approach in sinus elevation by combining transalveolar access.

MATERIALS AND METHODS: Sixty patients (mean age of 53.3 ± 11.6 years) with 105 implants placed in the posterior maxilla with the average remaining bone height (RBH) of 4.3 ± 1.8 mm (range of 1.2-9.2 mm) were enrolled in the hybrid group and followed up for 96 months. The control group included 36 patients with 44 implants placed in the corresponding site with sufficient RBH. Cumulative survival rate (CSR), radiographic measurements in RBH, augmented bone height (ABH), and marginal bone loss (MBL) were analyzed during the follow-up period.

RESULTS: Cumulative survival rate in the hybrid group was 98.1%, which was comparable to the control group (97.7%). MBL of the mesial and distal aspects in the hybrid group (0.28 ± 0.66 mm and 0.41 ± 0.93 mm, respectively) was comparable to the control group (0.84 ± 1.11 mm and 0.76 ± 0.88 mm, respectively). In the hybrid group, the membrane perforation rate during the surgery was 4.5%. ABH was 8.3 ± 1.8 mm after the surgery and maintained consistently during the follow-up period (7.4 ± 1.9 mm after 4 years).

CONCLUSION: The hybrid technique is a simple and predictable surgical method for simultaneous placement of a dental implant with sinus floor elevation regardless of the RBH.
Full Text
https://onlinelibrary.wiley.com/doi/abs/10.1111/clr.12901
DOI
10.1111/clr.12901
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Periodontics (치주과학교실) > 1. Journal Papers
Yonsei Authors
Lee, Jung Seok(이중석) ORCID logo https://orcid.org/0000-0003-1276-5978
Jung, Ui Won(정의원) ORCID logo https://orcid.org/0000-0001-6371-4172
Cha, Jae Kook(차재국) ORCID logo https://orcid.org/0000-0001-6817-9834
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/160630
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