Recordings of supragingival plaque, bleeding, suppuration and probing depth were obtained for 42 months following initial periodontal therapy. Scores accumulated after various time intervals during monitoring were studied for their predictive value in revealing probing attachment loss as determined by regression analysis during the 0-42 month period. Accumulated plaque scores demonstrated low predictability. Accumulated bleeding scores showed modest predictive values. Suppuration on probing was not a frequent finding during the observation interval and also had modest predictive power. Increase in probing depth compared to baseline and deep residual probing depth had modest predictability after 3 and 12 months, but showed increasing accuracy in revealing probing attachment loss over later time intervals. After a few years of maintenance, increase in probing depth, particularly if combined with high frequency of bleeding on probing, showed the highest predictive value for probing attachment loss of the scores examined.
12 patients were studied longitudinally to monitor the effects of basic periodontal therapy in molar and non‐molar teeth. Periodontal sites were grouped into molar furcation sites, molar fiat‐surface sites and non‐molar sites. Clinical measurements were taken at baseline and directly followed by full mouth root debridement. Subsequently, measurements were taken every 3rd month until 24 months. At each of these appointments, the patients were monitored for their oral hygiene performance and given supragingival prophylaxis. The mean results indicated that initially moderately deep and deep molar furcation sites responded less favorably to therapy compared to non molar sites and molar flat‐surface sites of similar probing depth. Initial improvements in probing measurements for moderately deep and deep molar furcation sites were limited and also tended to revert during the observation interval. Identification of individual sites with probing attachment loss disclosed that 25% of molar furcation sites lost probing attachment as compared to 7% for non‐molar sites and 10% for molar flat‐surface sites. These results corroborate previous findings and call for additional or alternative treatment regimens for periodontal furcation pockets.
The removal of interproximal plaque was compared using a standard toothbrush alone, a toothbrush with unwaxed dental floss and a toothbrush with an interdental brush. 30 previously treated periodontal patients were given the cleaning aids in a three-way crossover study design. After each 1 month trial period, scores for gingivitis, buccal/lingual plaque and proximal plaque were recorded. Mean GI scores for subjects were 0.37 using the toothbrush only, 0.36 using the toothbrush with floss and 0.32 using the toothbrush with the interdental brush. Mean buccal/lingual plaque scores were 0.64 using the toothbrush only, 0.62 using the toothbrush with floss and 0.51 using the toothbrush with the interdental brush. Mean plaque scores were 2.32 with the toothbrush only, 1.71 using the toothbrush with floss and 1.22 using the toothbrush with the interdental brush. Statistically significant differences were seen in proximal plaque scores between the 3 treatment groups. The results indicate that the interdental brush used in combination with a toothbrush is more effective in the removal of plaque from proximal tooth surfaces than a toothbrush used alone or in combination with dental floss.
The VAS pain scores showed favorable anesthetic efficacy of the test gel compared to a placebo gel in reducing patients' pain on periodontal probing in a group of patients with generalized CP. It suggests that the gel may be used for patients who find the full-mouth periodontal probing experience particularly painful in view of other tested alternatives.
The purpose of the present study was to evaluate the effects of subgingival irrigations with tetracycline as a supplement to mechanical plaque control and root debridement on clinical conditions of periodontal furcation pockets. 20 subjects with molar teeth having furcation pockets of varying depths and different grades of furcation involvement served for the study. Following oral hygiene instruction and root debridement at baseline, test teeth were irrigated subgingivally by a professional with a solution of 50 mg/ml of tetracycline, and control teeth with saline every 2nd week for 3 months. Records of dental plaque, bleeding on probing, probing depth and probing attachment level were obtained at 0, 1, 2, 3, 6, 9 and 12 months. The results failed to demonstrate any significant differences between test and control teeth for any of the subgroups of furcation sites at any observation interval. It is suggested that future studies may need to be performed over longer periods of time, and that the antimicrobial agents may need to be administered in vehicles, which provide prolonged periods of active subgingival concentrations.
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