Smith OH Ammons WF and Van Belle G. A longitudinal study of the periodontal status comparing osseous recontouring with flap curettage. I. Result after 6 months. J Periodontol, 51:367, 1980.

Aims

The purpose of this study was to evaluate the short-term clinical differences in periodontal status of patients treated with osseous recontouring and flap curettage in humans.

Materials and Methods

12 patients having bilateral periodontal destruction participated in the study. One side received open flap curettage and the other side received osseous recontouring. Tooth mobility, supragingival plaque, gingival inflammation, pocket depth, attachment levels, and level of the supporting marginal bone were measured 1 week before surgery, and 3, 6, 12, 18, and 24 weeks after surgery.

Results

1. There were no significant differences in tooth mobility between the two treatment modalities
2. plaque scores were equally reduced for both treatments
3. gingival inflammation was equally reduced by both treatments
4. the increase of attached gingiva was equal for both procedures
5. pocket reduction was maintained over the 6 mo. period with osseous surgery; with the flap curettage however, the initial decrease in pocket depth was not maintained and pockets tended to recur
6. open curettage did not induce bone regeneration
7. osseous recontouring did not lead to irreversible tooth mobility
8. osseous recontouring ended up in a net loss of attachment; flap curettage in a gain
9. both procedures improved periodontal health

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