Clinical and radiographic observations of the periodontium in patients undergoing orthodontic therapy:
Sears, Stuart B.
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Twenty-two male patients from 12-14 years of age were selected prior to active orthodontic therapy at Boston University School of Graduate Dentistry’s Department of Orthodontics. These patients were projected to undergo full-banded orthodontic treatment. The patients were then randomly divided into a motivated oral hygiene group and a non-motivated oral hygiene group. These groups were studied over a six-month period through the use of a clinical exam, models, X-rays, and photographs. This six-month period is the initial phase of observation of these patients through their entire orthodontic therapy. An initial exam including a clinical exam, models, X-rays, and photographs was done immediately prior to therapy. A second exam including a clinical exam, models, and photographs was done four months after the initial examination. A final exam, the same as the second, was done six months after the initial examination. A Data Collection Form was developed which recorded data gathered from X-rays, from models, and from clinical examinations. The Data Collection Form was designed in such a way as to allow efficient collection and computerization of the data. A statistically significant relationship exists between the use of orthodontic appliances and 1) the development of tissue bunching and 2) an increase in the size of the adjacent interdental papilla. Tissue inflammation increases in a statistically significant fashion while the Plaque Index shows no change. Attached gingiva both buccal and lingual and the sulcus depth both buccal and lingual show a significant increase. The height of the tissue on the lingual increases significantly while the height of the tissue on the buccal shows no significant change. Mucogingival problems both buccal and lingual show no significant change. No statistically significant differences in the Plaque Index exists between the motivated oral hygiene group and the non-motivated oral hygiene group in this study. No significant correlation of change exists between: a. Height of the tissue on the buccal or lingual vs. sulcus depth facial or lingual b. Sulcus depth facial or lingual vs. inflammation. The correlation of change of the height of the tissue on the lingual with the change of inflammation is significant. As inflammation increases, the height of the tissue on the lingual decreases. A similar correlation of change is only suggested with the height of the tissue on the buccal. Utilization of a computer for compiling and analyzing data is an effective aid in a clinical study involving extensive amounts of data.
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