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PubMed1994

Periodontal conditions of teeth autogenously transplanted by a two-stage technique.

Inflammatory reactions of the marginal periodontal tissues and loss of attachment could partly account for the often occurring rejection of autogenously transplanted mature teeth. The periodontal conditions of transplanted teeth were investigated from 1 month up to 5 years postoperatively. The parameters plaque, bleeding on probing to the bottom of the pocket, probing pocket depth (PPD), gingival recession and probing attachment loss were analysed by multiple regression analysis. No significant difference was found between transplanted and control teeth in bleeding on probing the bottom of the pockets up to 5 years postoperatively with the exception of increased bleeding on probing of the transplanted teeth at the 1-month postsurgery examination. No significant difference of the mean probing depth between transplanted teeth and control teeth was found at the mesio- and distobuccal surfaces. The transplanted teeth at the buccal surface showed increase of the mean pocket depth during the observation period. Increased mean probing depth without progression over time was found at the transplanted teeth compared to the controls at the distolingual, lingual and mesiolingual surfaces. A small mean gingival recession at the transplants was observed. Loss of attachment was recorded at 13% of the surfaces. Totally 50% of the transplants showed loss of attachment and 5% were removed because of extensive attachment loss. On 13% of the transplanted teeth with loss of attachment, root resorption was also found.

Adolescent↗
PubMed1990

Risk factors for tooth loss over a 28-year period.

Over 500 residents of Tecumseh, Michigan, were dentially examined in 1959 as part of a community-wide health study. In 1987, the dental examinations were repeated, with use of the same criteria as in 1959, for 167 dentate persons from the original group. Another 28 reported by telephone that they had become edentulous since 1959. This report uses a historical cohort analysis for exploration of the risk factors for tooth loss, both total and partial, over the 28-year period. Over that time, the edentulous lost an average of 18.0 teeth (95% confidence interval 15.5, 20.7), whereas the age-matched 90 dentate persons lost only 3.2 (2.2, 4.2) teeth each. Descriptive data showed the edentulous to have higher baseline scores for plaque, calculus, and gingivitis, and a higher proportion of them smoked, though only loss of periodontal attachment (LPA) of 4 mm or more, early loss of first molars, and educational attainment were significant risk factors in regression analysis. Odds ratios for these three variables were 4.0 (1.2, 12.8), 2.0 (1.3, 3.1), and 0.6 (0.4, 0.9), respectively. The strongest risk factors for partial tooth loss among 116 dentate persons were baseline gingivitis (which was correlated with LPA of 4 mm or more) and the baseline number of teeth present, with odds ratios of 2.4 (1.2, 5.2) and 0.8 (0.7, 1.0), respectively. While the analysis had to be carried out without caries data, it was concluded that total tooth loss is a social-behavioral issue as much as it is disease-related. Social-behavioral factors were less clearly related to partial tooth loss in dentate persons; oral disease characteristics were the most prominent risk factors for partial tooth loss.

Cohort Studies↗
PubMed1971

The dental age.

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Age Factors↗
PubMed1988

Tooth loss in 1535 treated periodontal patients.

Of 1535 treated recall patients surveyed over an average time of 12.9 years since treatment was completed, 1371 had lost no teeth from periodontal disease. The total number of teeth lost was 444, with the average tooth loss for the 1535 patients being 0.29. In the three full arch splinted cases, the loss rate was 14.67 teeth per patient. Patients treated without any excisional or flap surgical procedures made up 26.5% of those surveyed, whereas 73.5% had required various surgical procedures. No attempt was made to compare different pocket therapy procedures. Although many patients developed recurrent periodontal problems during recall, only 15.9% of the 1535 patients required surgical retreatment. Teeth that were originally given a doubtful prognosis often were responsible for recurrent problems and sometimes required extraction.

Aged↗