Sunday, 02 October 2022 16:06

Radiographical Evaluation of the Pattern and Amount of Bone Loss around Compressive One-Piece Implants (with Conometric Cap) vs. Compressive M Two-Piece (Screw Type)

1Bnar Hamaali Mohammad, BDS and 2Faraedon M. Zardawi, PhD
1Shorsh Dental Teaching Center, Kurdistan Board for Medical Specialty, Kurdistan Region, Sulaimani, Iraq. 2Department of Periodontics, College of Dentistry, University of Sulaimani, Kurdistan Region, Sulaimani, Iraq. Dean of Faculty of Dentistry, Qaiwan International University, Kurdistan Region, Sulaimani, Iraq.
Correspondence: Dr. Faraedon M. Zardawi
E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

Abstract
Background
The morphology of the peri-implant soft tissue is influenced by the quantity and quality of the alveolar bone.

Objectives
To determine the difference in the rate of marginal bone loss between two types of implants (compressive one-piece implants-with conometric cap vs. compressive M two-piece: screw type) after loading the implants for one year using CBCT scanning.

Materials and Methods
A prospective clinical study was conducted over the course of 12 months on 50 partially edentulous cases; they were divided into two age groups, and the demographic data was
obtained from the patients with specific inclusion criteria. Crestal bone resorption was scanned using CBCT images and it was measured in millimeters (mm) mesially, distally, buccally, and lingually for each implant from the implant-abutment junction to the crest of the alveolar bone, immediately after implant placement and after a year of functional loading. Further, the pattern of bone loss was scanned and recorded as either a horizontal or vertical pattern of bone loss.

Results
The greatest amount of bone loss was observed in older age group (51-70) male patients, and patients that were treated with the one-piece implant. Furthermore, a horizontal pattern of bone loss was higher than vertical, which was more prominent in patients that had the one-piece implant treatment.

Conclusion
the compressive M two-piece: screw type implant proved to be more successful since
it resulted in less marginal bone loss.

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