Recent epidemiologic surveys and studies have provided important information on the prevalence, extent, and severity of periodontal diseases in the United States. Over 50% of adults had gingivitis on an average of 3 to 4 teeth. Subgingival calculus was present in 67% of the population. Adult periodontitis, measured by the presence of periodontal pockets > or = 4 mm, was found in about 30% of the population on an average of 3 to 4 teeth. Severe pockets > or = 6 mm were found in less than 5% of the population. Attachment loss > or = 3 mm was found in 40% of the population. Gingival recession accounted for a significant amount of attachment loss. The prevalence of early-onset periodontitis ranged from less than 1% in 14- to 17-year-olds to 3.6% in young adults aged 18 to 34. Extensive and severe periodontitis was much more prevalent in minorities, people with less than a high school education, and those who had seen a dentist infrequently and had subgingival calculus. Smoking and diabetes have been identified as risk factors, especially diabetics with poor metabolic control, a long duration of the disease, and extensive subgingival calculus. Under managed care, there has been an expansion of soft tissue management programs in the offices of general dentists and referral guidelines which limit referral of patients with moderate periodontitis. Quality-assurance mechanisms will be essential for the diagnosis and treatment of persons with periodontitis.
The purpose of this study was to evaluate the association between long-term control of diabetes mellitus (DM) and periodontitis. A total of 75 diabetics (Type I or II) aged 20-70 years with long-term records of their diabetic control were selected for the study. The following periodontal variables were recorded in a randomized half-mouth examination: plaque, calculus (+/-), probing depth (pd) and attachment loss (al). The mean of glycosylated hemoglobin measurements (HbAlc) over the past 2-5 years was used to indicate the long-term control of DM. The study participants were divided into well-, moderately- and poorly-controlled diabetics. An increase in the prevalence, severity and extent of periodontitis with poorer control of diabetes was observed. The extent of calculus also increased with poorer control. In a multiple regression analysis, calculus and long-term control of diabetes were significant variables when pd > or = 4 mm was used as the dependent variable. Age was a significant predictor for al > or = 3 mm but not for pd > or = 4 mm. Sex, duration and type of DM were not significant variables in the regression models. Less than 2% of sites with no calculus demonstrated pd > or = 4 mm. When calculus was present, the frequency of pd > or = 4 mm increased from 6% in the well-controlled diabetics to 16% in the poorly-controlled ones. We conclude that periodontitis in diabetics is associated with long-term metabolic control and presence of calculus.(ABSTRACT TRUNCATED AT 250 WORDS)
With the increasing number of diabetics in an aging population and controversial research reports on the relationship of diabetes to periodontitis, clarification of diabetes as a risk factor for periodontitis would be helpful. This review notes variations in type, metabolic control, and duration of diabetes and highlights the results of studies that have considered these variations. Diabetics who maintained reasonably good metabolic control had not lost more teeth or experienced more periodontal attachment loss than non‐diabetics, although they had more periodontal pockets. Poorly‐controlled diabetics with extensive calculus on their teeth had more periodontitis and tooth loss than well‐controlled diabetics or non‐diabetics. Long‐duration diabetics were also at greater risk for periodontitis. Mechanisms by which diabetes may contribute to periodontitis include vascular changes, neutrophil dysfunction, altered collagen synthesis, and genetic predisposition. Minimizing plaque and calculus in the oral cavity through careful self‐care and regular professional care is important to reduce the risk of periodontitis in diabetics. J Periodontol 1994; 65:530–538.
A survey of the attitudes of patients and parents to active orthodontic treatment was undertaken at two centres. Questionnaires were distributed which enquired about pre-treatment appearance, reactions to the proposed treatment, experiences during treatment, perceived benefits of treatment, and values placed upon treatment. The results indicated that both patients and parents were satisfied with the treatment received, and pain from the appliance and its appearance were the main discouraging features.
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