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Year : 2021  |  Volume : 13  |  Issue : 5  |  Page : 297-300

Assessment of the effect of bone density on implant stability: A clinical study

1 Department of Prosthodontics, Care Dental College, Guntur, Andhra Pradesh, India
2 Department of Prosthodontics, SIBAR Institute of Dental Sciences, Guntur, Andhra Pradesh, India
3 Department of Prosthodontics, Sree Sai Dental College and Research Institute, Srikakulam, Andhra Pradesh, India
4 Dr. Jagga Rao Konathala, MDS, Prosthodontics, Private Practitioner, Hyderabad, Telangana, India

Correspondence Address:
Raghunadh Sreerama
Department of Prosthodontics, Care Dental College, Guntur, Andhra Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jpbs.JPBS_794_20

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Background: In this study, we determined the effect of bone density on implant stability. Methodology: Two hundred and sixty dental implant sites in 128 patients were assessed for resonance frequency analysis (RFA) following implant insertion, at 6 months and 12 months. The implant stability quotient (ISQ) was determined. Results: The mean ± standard deviation bone density in anterior mandible was 862.8 ± 203.4 Hounsfield units (HU), in posterior mandible was 528.4 ± 115.6 HU, in anterior maxilla was 594.2 ± 95.2 HU, and in posterior maxilla was 438.1 ± 110.2 HU. The mean insertion torque in successful implants was 38.2 ± 7.1 Ncm and in failed implants was 22.4 ± 4.2 Ncm. The mean RFA value in successful implants was 65.4 ± 5.8 and in failed implants was 45.8 ± 4.1 ISQ. A statistically significant (P < 0.05) difference was obtained. Conclusion: Within the limitation of the study, we observed that successful implants exhibited higher RFA and insertion torque and were higher into failed implants suggesting a correlation of bone quality and implant stability parameters.

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