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BACKGROUND: A coronally advanced flap with subepithelial connective tissue graft is the gold standard surgical treatment of gingival recessions, since it offers a higher probability of achieving complete root coverage compared with other techniques. However, optimum short- and middle-term clinical results have also been obtained with coronally advanced flaps alone. The aim of the present study was to evaluate the results obtained by the surgical treatment of localized gingival recessions using coronally advanced flaps with or without subepithelial connective tissue graft. MATERIAL AND METHODS: The reduction of recession height was assessed, together with the gain in gingival attachment apical to the recession, and total reduction of recession, in a comparative study of two techniques. Twenty-two gingival recessions were operated upon: 13 in the control group (coronally advanced flap) and 9 in the test group (coronally advanced flap associated to subepithelial connective tissue graft). RESULTS: After 18 months, the mean reduction of recession height was 2.2 ± 0.8 mm in the control group and 2.3 ± 0.7 mm in the test group, with a mean gain in gingival attachment of 1.3 ± 0.9 mm and 2.3 ± 1.3 mm, respectively. In percentage terms, the mean reduction of recession height was 84.6 ± 19.6% in the control group and 81.7 ± 17.8% in the test group, with a mean gain in gingival attachment of 20.5 ± 37.4% and 184.4 ± 135.5%, respectively. CONCLUSIONS: Significant reduction of gingival recession was achieved with both techniques, though the mean gain in gingival attachment (in mm and as a %) was greater in test group.

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The aim of this study was to assess the presence of aspartate aminotransferase (AST) in peri-implant crevicular fluid, with or without clinical signs of mucositis, to determine its predictive diagnostic value, sensitivity, and specificity. The AST levels were determined (at a threshold of 1200 µIU/mL) for 60 clinically successful implants in 25 patients with or without peri-implant mucositis. Samples were taken prior (AST1) to peri-implant probing with a manual constant-pressure probe (0.2 N) and 15 minutes after probing (AST2). Clinical assessments included radiographic determination of preexisting bone loss, probing, and the evaluation of mucositis, plaque, and bleeding upon probing. Analysis was performed at both the level of the implant and the patient as a unit. We detected a significant difference between AST1 and AST2 at both levels. A significant difference was observed at AST1 between implants that bled upon probing and those that did not. However, when we considered the patient as a unit, there were no significant differences. The plaque index was not significant at either level. AST1 had high specificity and positive predictive diagnostic value (80%) for bleeding upon probing. Probing induces a greater release of AST from inflamed tissues compared with healthy tissues in situ but not at the systemic level. At the implant level, the implant position could be responsible for this difference. Aspartate aminotransferase was a reliable predictor of patients with mucositis.

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OBJECTIVE: The aim of this study was to evaluate periimplant tissue temperature in a successful implant. It has been shown that periimplant disease and mucositis are inflammatory diseases. As such, one of the main clinical signs is the change in temperature. We try to establish normal values of temperature with an easy to use appliance. DESIGN: Fifty-one individuals were enrolled in this study. Only 1 implant per patient was included. The implants were clinically and radiographically examined and diagnosed as clinical successful implants. An infrared ear thermometer was used to measure periimplant temperature (PIT) and the difference with the sublingual temperature (ΔT). These data were analyzed using the Student t test, analysis of variance, and cluster analysis. RESULTS: Statistically significant differences in PIT were observed between the second sextant and the fourth and fifth sextants. These differences were not significant on considering ΔT. In addition, for the clinically and radiographically successful implants, ΔT for all sextants showed a mean of 0.81 (CI, 0.57-1.04). CONCLUSIONS: We have found a difference in outcome between periimplant temperature and the temperature differential. PIT depends on the anatomical location, though ΔT is an independent measurement with a value of 0.81°C.

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El principio de R.T.G. está basado en evidencia científica que indica que el tipo de cicatrización a posteriori de la cirugía periodontal es determinada por los tejidos que primero repueblan la superficie de la raíz. La evaluación clínica de la R.T.G. ha mostrado resultados predecibles en defectos intraóseos de dos y tres paredes y furcaciones clase II. La R.T.G. es una modalidad terapéutica bien documentada y aceptada para facilitar la regeneración periodontal y debiera ser parte del armamentarium existente para el tratamiento de la periodontitis

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El principio de R.T.G. está basado en evidencia científica que indica que el tipo de cicatrización a posteriori de la cirugía periodontal es determinada por los tejidos que primero repueblan la superficie de la raíz. La evaluación clínica de la R.T.G. ha mostrado resultados predecibles en defectos intraóseos de dos y tres paredes y furcaciones clase II. La R.T.G. es una modalidad terapéutica bien documentada y aceptada para facilitar la regeneración periodontal y debiera ser parte del armamentarium existente para el tratamiento de la periodontitis (AU)

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