ISSN : 0376-4672
This study aimed to investigate the effect of different conditions on the implant stability test (IST) value of three-unit implant bridges. Fifteen pairs of specimens were prepared. Two internal conical-type implants were placed in artificial bone using a torque of 35 to 45 Ncm. Three-unit monolithic zirconia bridges (Perfit ZR) were fabricated using CAD-CAM. Im plant Stability Quotient (ISQ) values were measured for each implant. IST value was measured under different conditions: healing abutment, without cementation, with cementation, one prosthesis unscrewed, and two prostheses unscrewed. The results showed statistically significant differences according to the conditions (p <0.05). The lowest IST level was observed in the groups tested on healing abutment and the prosthesis without cementation. The highest IST level was observed in the groups with cemented prostheses. There was no significant difference according to screw loosening. IST values for all groups measured above 79, indicating high stability with consistent tendency. The present study implied that IST values could be used as a reference restrictedly for assessing implant stability and conditions on bridge-type prostheses.
1. Brånemark PI, Hansson BO, Adell R, Breine U, Lindström J, Hallén O, Ohman A. Osseointegrated implants in the treatment of the edentulous jaw. Experience from a 10-year period. Scand J Plast Reconstr Surg Suppl. 1977;16:1-132.
2. Mitsias M, Siormpas K, Pistilli V, Trullenque-Eriksson A, Esposito M. Immediate, early (6 weeks) and delayed loading (3 months)of single, partial and full fixed implant supported prostheses:1-year post-loading data from a multicentre randomised con -trolled trial. Eur J Oral Implantol. 2018;11(1):63-75.
3. Al-Sawai AA, Labib H. Success of immediate loading implants compared to conventionally-loaded implants: a literature review. J Investig Clin Dent. 2016 Aug;7(3):217-24.
4. Mistry G, Shetty O, Shetty S, Singh RD. Measuring im -plant stability: A review of different methods. J Dent Implant 2014;4:165-9.
5. Roberts WE, Smith RK, Zilberman Y, Mozsary PG, Smith RS. Osseous adaptation to continuous loading of rigid endosseous implants. Am J Orthod. 1984 Aug;86(2):95-111.
6. Atsumi M, Park SH, Wang HL. Methods used to assess im -plant stability: current status. Int J Oral Maxillofac Implants 2007;22:743-548.
7. Herrero-Climent M, Santos-García R, Jaramillo-Santos R, Romero-Ruiz MM, Fernández-Palacin A, Lázaro-Calvo P, Bul -lón P, Ríos-Santos JV. Assessment of Osstell ISQ's reliability for implant stability measurement: a cross-sectional clinical study. Med Oral Patol Oral Cir Bucal. 2013 Nov 1;18(6):e877-82.
8. Schulte W, d` Hoedt B, Lukas D, Maunz M, Steppeler M. Periotest for measuring periodontal characteristics- correlation with periodontal bone loss. J Periodont Res 1992.
9. Chavez H et al. Assessment of oral implantmobility. JPD 1993.
10. Bilhan, H, Cilingir A, Bural C, Bilmenoglu C, Sakar O, Geckili O. The Evaluation of the Reliability of Periotest for Implant Stability Measurements: An In Vitro Study. J Oral Implantology 2015:41 (4): e90–e95.
11. Teerlinck J, Quirynen M, Darius P, van Steenberghe D. Perio test: An object clinical diagnosis of bone apposition toward im -plants. Int J Oral Maxillofac Implants 1991;6: 55-61.
12. Olive J, Aparicio C. The periotest method as a measure of os -seointegrated oral implant stability. Int J Oral Maxillofac Im -plants 1990;5:390-400.
13. Lee JW, Pyo SW, Cho HJ, An JS, Lee JH, Koo KT, Lee YM. Comparison of implant stability measurements between a resonance frequency analysis device and a modified damping capacity analysis device: an in vitro study. J Periodontal Implant Sci. 2020 Feb 18;50(1):56-66.
14. Ok SM, Hwang SH, Kim CH, Kim BJ, Kim JH ,Kwon YW, Sung HM, Kang SW. Study of the Differences in a Percussion-type Implant Stability Measuring Instrument according to Type of Prosthesis. J Korean Academy of Advanced General Dentistry. 2021;10:1-7.
15. Park YH, Lee SB, Lee SW, Paek JH, Lee JY. Differences in percussion-type measurements of implant stability according to height of healing abutments and measurement angle. J Korean Acad Prosthodont 2018;56:278-86.
16. Elias CN, Fernandes DJ, de Souza FM, Monteiro EDS, de Biasi RS. Mechanical and clinical properties of titanium and titanium-based alloys (Ti G2, Ti G4 cold worked nanostructured and Ti G5) for biomedical applications. J Mater Res Technol 2019;8:1060-9.
17. Candido LM, Miotto LN, Fais L, Cesar PF, Pinelli L. Mechanical and surface properties of monolithic zirconia. Oper Dent 2018;43:E119-28.
18. Bozkaya, D., Muftu, S. Mechanics of the tapered interference fit in dental implants. Journal of Biomechanics 2003; 36:1649–1658.
19. Lee JH, Kim DG, Park CJ, Cho LR. Axial displacements in external and internal implant-abutment connection. Clin Oral Implants Res. 2014 Feb;25(2):e83-9.
20. Meredith N, Alleyne D, Cawley P. Quantitative determination of the stability of the implant-tissue interface using resonance frequency analysis. Clin Oral Implants Res 1996;7:261-7.
