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Oral Health Prev Dent. 2017;15(2):183-189. doi: 10.3290/j.ohpd.a37932.

Marginal Bone Loss after Ten Years in an Adult Danish Population: A Radiographic Study.

Abstract

PURPOSE:

To evaluate marginal bone loss over a 10-year period in individuals and in tooth groups in relation to age and level of marginal bone.

MATERIALS AND METHODS:

In 1997, 616 randomly selected individuals (mean age: 42 years, range: 21-63 years) underwent a full-mouth radiographic survey. In 2008, the survey was repeated in 362 of the same individuals (182 women and 180 men). The marginal bone level of each tooth was measured in mm from the cementoenamel junction to the marginal bone. These measurements were used to calculate marginal bone loss during the 10-year period for individuals and tooth groups in relation to age and to baseline marginal bone level, calculated as the average between measurements in 1997 and 2008 to circumvent regression towards the mean.

RESULTS:

The average annual marginal bone loss was 0.09 mm (SD ± 0.04 mm) during the 10-year study period. The association between marginal bone loss and baseline marginal bone level was more pronounced in the youngest age group, compared to the other age groups. Molars displayed the most severe bone loss during the study period.

CONCLUSION:

Marginal bone loss over a 10-year period is associated with age and baseline marginal bone level. Younger individuals with a reduced marginal bone level were at higher risk for further bone loss. Molars lose marginal bone more rapidly than other tooth groups.

PMID:
28322364
DOI:
10.3290/j.ohpd.a37932
[Indexed for MEDLINE]

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