The Influence of Bone Density on Primary Implant Stability, and Clinical and Radiographic Outcome of Narrow Diameter Implants Supporting Mandibular Overdentures
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2018, Vol 17, Issue 12
Abstract
Bone density plays an important role in the determination of dental implant outcome. Low bone density values can be associated with poor implant stability and increased marginal bone loss. Bone density assessment prior to implant installation can provide useful information regarding implant planning. This study aimed at evaluating the effect of bone density on primary implant stability, and clinical and radiographic outcome of narrow diameter implants, supporting mandibular overdentures. A total of 32 narrow diameter (3x10mm) two piece implants were installed for the construction of implant-assisted mandibular overdentures for each of eight completely edentulous patients, each receiving 4 implants. Preoperative density values for each implant site were recorded using cone beam computed tomography (CBCT). Clinical and radiographic data including; implant stability using resonance frequency analysis (RFA) expressed by Implant stability quotient (ISQ), Peri-implant probing depth (PD), clinical attachment level (CAL) and marginal bone level changes were recorded at base line, 3 and 6 months after implant loading. Correlation between bone density and different studied parameters were performed using pearson coefficient. Mean Bone density and primary implant stability were (782.7 ± 253.5 and 63.19 ± 7.5) respectively. Significant correlations were recorded between bone density values and primary implant stability (r=0.650, p=0.006), and between bone density values and marginal bone loss after 6 months (r = 0.516, p=0.041). We conclude from this study that bone density values influences the clinical outcome of narrow diameter implants. Hence, preoperative density assessment represents an important prognostic factor in implant planning.
Authors and Affiliations
Rania A Fahmy, Maha R Taalab, Mostafa M Teranelly
Keywords
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- EP ID EP423841
- DOI 10.9790/0853-1712061723.
- Views 102
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