J Korean Assoc Oral Maxillofac Surg.  2021 Jun;47(3):153-174. 10.5125/jkaoms.2021.47.3.153.

Bone loss-related factors in tissue and bone level dental implants: a systematic review of clinical trials

• Mortazavi H
• Khodadoustan A
• Kheiri A
• Kheiri L

• KMID: 2517266
• DOI: http://doi.org/10.5125/jkaoms.2021.47.3.153

Abstract

Dental implants are popular for dental rehabilitation after tooth loss. The goal of this systematic review was to assess bone changes around bone-level and tissue-level implants and the possible causes. Electronic searches of PubMed, Google Scholar, Scopus, and Web of Science, and a hand search limited to English language clinical trials were performed according to PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analysis) guidelines up to September 2020. Studies that stated the type of implants used, and that reported bone-level changes after insertion met the inclusion criteria. The risk of bias was also evaluated. A total of 38 studies were included. Eighteen studies only used bone-level implants, 10 utilized tissuelevel designs and 10 observed bone-level changes in both types of implants. Based on bias assessments, evaluating the risk of bias was not applicable in most studies. There are vast differences in methodologies, follow-ups, and multifactorial characteristics of bone loss around implants, which makes direct comparison impossible. Therefore, further well-structured studies are needed.

Keyword

Alveolar bone loss; Bone-implant interface; Bone resorption; Dental implants; Dental implant-abutment design

Figure

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  Fig. 1 Search strategy flowchart.

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  Fig. 2 Risk of bias assessment.

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  Fig. 3 Risk of bias assessment.

Reference

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