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Oral Health and Preventive Dentistry
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Oral Health Prev Dent 18 (2020), No. 2     1. Apr. 2020
Oral Health Prev Dent 18 (2020), No. 2  (01.04.2020)

Open Access ORAL HEALTH, Page 139-144, doi:10.3290/j.ohpd.a43364, PubMed:32238985


Preoperative Dental Examination Might Prevent Unnecessary Tooth Extractions During Dental Treatment of Patients with Disabilities Under General Anaesthesia – Results of a Retrospective Cross-Sectional Study
Schmalz, Gerhard / Farack, Mathias / Kottmann, Tanja / Schmidt, Jana / Krause, Felix / Ziebolz, Dirk
Purpose: The aim of this retrospective cross-sectional study was to detect dental health and dental treatment under general anaesthesia, as well as associations to selected parameters in a patient cohort with different disabilities.
Material and Methods: Patients with disabilities, including mental, physical, combination of mental and physical as well as psychiatric disability, which received dental rehabilitation under general anaesthesia between 1 January 2002 and 31 December 2011 were included. Based on the available patients' records, findings of dental examination (Decayed-, Missing- and Filled-teeth index [DMF-T]), treatment documentation as well as further specific factors including the presence of preoperative dental examination or radiographs were analysed. Statistical analysis was conducted using Mann-Whitney U test, Kruskal–Wallis test, analysis of variance (ANOVA), chi-squared or Fisher's exact test (p <0.05).
Results: A total of 464 patients were included. An overall DMF-T of 12.3 ± 7.5 (D-T of 5.8 ± 5.1) and a dmf-t of 9.2 ± 5.0 (d-t of 7.5 ± 4.5) were found. Patients with psychiatric disabilities showed worst dental health. About half of patients (56%) received a professional tooth cleaning. A tooth extraction was executed at 70% of patients, with 3.3 ± 4.5 teeth each patient. Nearly no patient received periodontal or endodontic treatment. Patients with a preoperative dental examination received statistically significantly less tooth extractions compared to patients without preoperative dental examination (2.7 ± 3.7 vs 4.5 ± 5.8).
Conclusion: Patients with different disabilities show high dental treatment need and require improved dental care. Thereby, the preoperative dental examination might avoid unnecessary tooth extractions and is therefore strictly recommended.

Keywords: disability, dental treatment, dental examination, general anaesthesia, dental care