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Does osteoporosis increase marginal bone loss around dental implants in the posterior of the maxilla?

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Osteoporosis is caused by an imbalance in bone remodelling. The aim of this study was to compare the marginal bone loss (MBL) around dental implants placed in the posterior maxilla… Click to show full abstract

Osteoporosis is caused by an imbalance in bone remodelling. The aim of this study was to compare the marginal bone loss (MBL) around dental implants placed in the posterior maxilla between osteoporotic and non-osteoporotic female patients. This was a prospective cohort study. Female patients needing a dental implant restoration in the posterior maxilla were included. Dual-energy X-ray absorptiometry was performed and the T-score recorded. MBL was measured at 12 months after loading. The patients were assigned to one of two groups: group 1, osteoporotic (T-score ≥2.5); group 2, non-osteoporotic (T-score <2.5). In this study, osteoporosis was the primary predictor variable and MBL was the outcome variable. The mean MBL was compared between the two groups using an independent t-test. Pearson's correlation test was applied to identify any correlation between the T-score and MBL. Ninety female patients were studied, 44 in group 1 and 46 in group 2. The mean MBL was 1.20±0.29mm in group 1 and 0.87±0.15 in group 2; this difference in mean MBL was statistically significant (P=0.001). There was a correlation between T-score and MBL (P=0.001). Despite the correlation between T-score and MBL, this study did not provide enough evidence to prove any causal relationship between MBL and osteoporosis.

Keywords: mbl; group; bone; posterior maxilla; osteoporosis

Journal Title: International journal of oral and maxillofacial surgery
Year Published: 2020

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