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Background: Predictive models and assessment tools for disease susceptibility and progression are necessary to enhance personalized medicine. The aim of this study is to assess the predictive accuracy of using the 2018 classification to predict likelihood of tooth loss.Methods: A total of 134 patients were screened 10 years after periodontal therapy. Data were extracted from 82 patients' records and periodontal diagnoses were assigned according to the 1999 and 2018 classifications at baseline, whereas patient- and tooth-related parameters were documented at baseline and at reexamination. Statistical analysis included descriptive statistics, hurdle regression with a zero and count model as well as logistic regression.Results: Significantly more teeth were lost during SPT in patients with Stage IV or Grade C (P < 0.05). Patients' adherence seems to have an impact on the predictability of the 2018 classification (P < 0.001). In comparison, neither classification system alone (1999 vs 2018) showed a high predictive value for tooth loss (area under the curve [AUC] = 59.2% vs 58.2%).Conclusion: Class III and IV/Grade C of the 2018 classification of periodontal diseases show similar predictive accuracy for tooth loss as severe cases in the former classification. Patients adherence seems to influence the prognostic value of the classification. [ABSTRACT FROM AUTHOR]

Background: To assess oral health‐related quality of life (OHRQoL) after long‐term (20 years) periodontal treatment in patients with chronic periodontitis (ChP) and to compare it with the current clinical outcome and oral health status. Methods: Twenty years after therapy, 63 patients were reexamined. The dental and periodontal status and OHRQoL using the Oral Health Impact Profile‐G49 (OHIP‐G49) were assessed. Descriptive statistics, correlation analysis, and tests for differences were calculated. Results: Up to 75% of patients showed no probing depths > 5mm, bleeding on probing (BOP) ≤25%, no pain and satisfactory function. A comparatively low perceived oral impact of ChP was represented by an OHIP‐G49 overall score of 18.89 ± 21.66. The most common reported impairment was physical pain followed by "functional limitation." A correlation between oral quality standard and the OHIP‐G49 was limited to the physical pain subdomain. Conclusions: Satisfaction with oral status was perceived high by most patients treated for chronic periodontitis. A comparably high OHRQoL can be achieved and retained long‐term after periodontal treatment. The objective and subjective evaluation of oral health only correlated in the subscale "physical pain." [ABSTRACT FROM AUTHOR]

Objective: The standard imaging techniques used in dentistry consist of two-dimensional radiographic techniques like intraoral periapical (PA) radiographs, bitewings or extraoral panoramic X-rays. Three-dimensional methods, such as cone beam computed tomography (CBCT), are not standard procedures. In several fields of dentistry, such as oral surgery or implantology, dental magnetic resonance imaging (DMRI), a technique without radiation exposure, has already been introduced as a new promising diagnostic tool. The aim of this study was to compare the agreement of DMRI and PA radiographs in measuring residual periodontal bone support.Material and Methods: In this study, the residual periodontal bone support of 21 teeth was investigated and compared with DMRI and PA radiographs by two independent raters. Intra-class correlation coefficients (ICCs) were calculated using the software R to identify the intra-rater and inter-rater agreement of the two modalities. Bland-Altman plots were created to directly compare the two methods.Results: Overall, all calculated ICC values showed an excellent intra-rater and inter-rater agreement (>0.9) for DMRI, as well as PA radiographs. Bland-Altman analysis also showed a strong agreement between both diagnostic methods in this study.Conclusions: In conclusion, there was a strong agreement between DMRI and PA. Thus, DMRI proved to be a comparable method to PA radiographs for evaluating the proportion of residual periodontal bone support. [ABSTRACT FROM AUTHOR]

Objective. To determine the association between the interleukin (IL)-1-polymorphism and the severity of periodontal disease prior to active periodontal therapy. Materials and methods. Two hundred and six patients with obtained baseline x-rays were tested for IL-1-polymorphism. Relative bone loss before active periodontal treatment was measured with a Schei ruler and classified in five groups. Descriptive statistics and backward stepwise linear regression analyses were performed. Results. Forty-nine patients with moderate (mChP), 79 with severe chronic (sChP) and 78 with aggressive periodontitis (AgP) were included. Age correlated significantly with bone loss and number of teeth at baseline. Gender, smoking and IL-1-polymorphism were neither associated with bone loss nor with number of teeth prior to treatment. After adjusting for age as well as gender, AgP was significantly associated with more severe bone loss in untreated periodontal disease ( p == 0.036). In non-smokers, mean number of teeth prior to active periodontal therapy correlated significantly with presence of IL-1 polymorphism. Conclusion. The IL-1-polymorphism is associated with lower number of teeth in non-smokers with untreated periodontal disease. Untreated AgP is associated with more severe bone loss than untreated ChP. [ABSTRACT FROM AUTHOR]

Background: To assess oral health-related quality of life (OHRQoL) after long-term (20 years) periodontal treatment in patients with chronic periodontitis (ChP) and to compare it with the current clinical outcome and oral health status.Methods: Twenty years after therapy, 63 patients were reexamined. The dental and periodontal status and OHRQoL using the Oral Health Impact Profile-G49 (OHIP-G49) were assessed. Descriptive statistics, correlation analysis, and tests for differences were calculated.Results: Up to 75% of patients showed no probing depths > 5mm, bleeding on probing (BOP) ≤25%, no pain and satisfactory function. A comparatively low perceived oral impact of ChP was represented by an OHIP-G49 overall score of 18.89 ± 21.66. The most common reported impairment was physical pain followed by "functional limitation." A correlation between oral quality standard and the OHIP-G49 was limited to the physical pain subdomain.Conclusions: Satisfaction with oral status was perceived high by most patients treated for chronic periodontitis. A comparably high OHRQoL can be achieved and retained long-term after periodontal treatment. The objective and subjective evaluation of oral health only correlated in the subscale "physical pain." [ABSTRACT FROM AUTHOR]