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Risk factor analysis of dental implants in patients with irradiated head and neck cancer

Authors
 Joongyo Lee  ;  Jason Joon Bock Lee  ;  In-Ho Cha  ;  Kyung Ran Park  ;  Chang Geol Lee 
Citation
 HEAD AND NECK-JOURNAL FOR THE SCIENCES AND SPECIALTIES OF THE HEAD AND NECK, Vol.44(8) : 1816-1824, 2022-08 
Journal Title
HEAD AND NECK-JOURNAL FOR THE SCIENCES AND SPECIALTIES OF THE HEAD AND NECK
ISSN
 1043-3074 
Issue Date
2022-08
MeSH
Dental Implantation, Endosseous ; Dental Implants* ; Dental Restoration Failure ; Factor Analysis, Statistical ; Head and Neck Neoplasms* / radiotherapy ; Head and Neck Neoplasms* / surgery ; Humans ; Risk Factors ; Survival Rate
Keywords
dental implantation ; head and neck cancer ; implant failure ; radiotherapy ; toxicity
Abstract
Background: We investigated dental implant outcomes in patients who had previously received radiotherapy (RT) for head and neck malignancies.

Methods: We reviewed 90 dental implants in 27 patients who received RT for head and neck cancer and received dental implants afterwards. The cumulative implant survival rate (CISR) was calculated. In addition, the implant quality was assessed using "Health Scale for Dental Implants."

Results: The CISR at 3 years was 79.6%. The mean radiation dose at the implant site (Dmean ) was identified as an independent prognostic factor for implant survival. No implant failed if Dmean was less than 38 Gy. Regarding implant quality, dental implants in grafted bone and Dmean were independent risk factors.

Conclusions: Dmean was identified as an independent prognostic factor for implant survival and quality. Dental implants can be safely considered when Dmean is lower than 38 Gy.
Full Text
https://onlinelibrary.wiley.com/doi/10.1002/hed.27080
DOI
10.1002/hed.27080
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Radiation Oncology (방사선종양학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Oral and Maxillofacial Surgery (구강악안면외과학교실) > 1. Journal Papers
Yonsei Authors
Lee, Joongyo(이준교)
Lee, Jason Joon Bock(이준복)
Lee, Chang Geol(이창걸) ORCID logo https://orcid.org/0000-0002-8702-881X
Cha, In Ho(차인호) ORCID logo https://orcid.org/0000-0001-8259-2190
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/189471
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