J Korean Acad Prosthodont.  2018 Apr;56(2):114-119. 10.4047/jkap.2018.56.2.114.

Retrospective study on marginal bone resorption around immediately loaded implants

Affiliations
  • 1Department of Prosthodontics, College of Dentistry, Wonkwang University, Iksan, Republic of Korea. hwcho@wku.ac.kr

Abstract

PURPOSE
Patients who treated implant immediate loading within a week after implant placement at Wonkwang University Dental Hospital Implant Center were evaluated marginal bone resorption. These retrospective analyses are intended to reinforce the clinical evidence for the implant immediate loading.
MATERIALS AND METHODS
Medical history and radiographic data were investigated, which were the patients' who treated implant immediate loading and restoration with provisional prostheses between January 2005 and June 2016, at Wonkwang University Dental Hospital Implant Center. Total number of implants was 70, marginal bone resorption was measured according to implant length, diameter and connection type. To measure marginal bone resorption, periapical radiographs were taken when the implants were placed and after 6 month. Statistical analysis was done in Mann-whitney U test and Kruskal-wallis test with SPSS 22.0 software (P < .05).
RESULTS
Mean marginal bone resorption around immediately loaded implants according to implant connection type was shown 1.24 ± 0.72 mm in internal hexagon connection type and 1.73 ± 1.27 mm in external hexagon connection type. There was no statically significant difference in marginal bone resorption with implant length and diameter.
CONCLUSION
Implants with immediated loading in internal hexagon connection type showed less marginal bone resorption significantly than in external hexagon connection type.

Keyword

Immediate dental implant loading; Bone resorption

MeSH Terms

Bone Resorption*
Humans
Immediate Dental Implant Loading
Prostheses and Implants
Retrospective Studies*
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