Submitted: 17 Mar 2020
Revision: 02 May 2020
Accepted: 04 May 2020
ePublished: 19 May 2020
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J Adv Periodontol Implant Dent. 2020;12(1): 31-37.
doi: 10.34172/japid.2020.007
  Abstract View: 212
  PDF Download: 119

Research Article

Comparison of interdental papillae around single implants in the tissue-level (TL) and bone-level (BL) implants: A clinical trial

Seyed Ahmad Banihashem Rad 1 ORCID logo, Ali Forouzanfar 2 ORCID logo, Seyed Ali Banihashemrad 2* ORCID logo

1 Student Research Committee, School of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran
2 Department of Periodontics, School of Dentistry, Mashhad University of Medical Science, Mashhad, Iran


Background. This study aimed to evaluate the effect of bone-level implants in comparison with tissue-level implants on dental papilla dimensions in single-tooth implants.

Methods. In the present clinical trial, 50 patients, 24 females (48%) and 26 males (52%), were selected among patients requesting single implants in the posterior area of the jaws. The subjects were divided into two groups (n=25). The subjects in the first group were treated with a bone-level implant (Implantium, Dentium, Korea), and the subjects in the second group were treated with a tissue level implant (Implantium, Dentium, Korea). None of the implants were loaded during this period, and only the healing effect was measured. All the implants underwent one-stage surgery (none-submerged), and healing abutments were placed after implantation. The papilla heights in both the mesial and distal aspects of the adjacent teeth were measured. A periodontal probe was used to measure from the top of the papilla to the CEJ of the adjacent teeth in two time intervals. Descriptive statistics were performed using tables and Shapiro-Wilk, chi-squared, Mann-Whitney, and independent t-tests.

Results. The findings showed that the interdental papilla in TL single implants performed better than that in BL implants at the three-month interval. This difference was statistically significant on the mesial aspect but not on the distal aspect. However, the difference was not clinically significant.

Conclusion. A comparison of papilla dimensions in two implant types showed that papilla formation in TL implants was better than that in BL implants at the three-month postoperative interval.

Keywords: Dental Implants, Interproximal Soft Tissue, Interproximal Papilla
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