Limits...
Comparative clinical study of two tooth bleaching protocols with 6% hydrogen peroxide.

Oteo Calatayud J, Mateos de la Varga P, Oteo Calatayud C, Calvo Box MJ - Int J Dent (2010)

Bottom Line: The two groups did not significantly differ in tooth shade at the end of the treatment.Conclusions.Treatment with 6% hydrogen peroxide gel using the paint-on system shows significant clinical efficacy whether applied by clinicians or by the patients themselves.

View Article: PubMed Central - PubMed

Affiliation: Department of Conservative Dentistry, School of Dentistry, University Complutense of Madrid, 28040 Madrid, Spain.

ABSTRACT
Objective. The objective was to compare the clinical efficacy of two different tooth bleaching protocols after 1 and 2 weeks of treatment with an over-the-counter paint-on gel containing 6% hydrogen peroxide. Material and methods. Sixteen volunteer patients (minimum shade A2 or darker on maxillary teeth) were selected to participate in this randomized, single-blind (examiner-blinded), single-center, 2-group clinical trial using a divided mouth model. The product was applied in our clinic to one hemi-arch (Group I) in each patient at two sessions one week apart, making five applications at each session (separated by 10 min intervals). The patients themselves applied the product once a day for 10 days in the other hemiarch (Group II). Efficacy was measured according to the Vita Classical shade guide at baseline and at one and two weeks. Differences between groups (office-treated vs. home-treated hemiarches) were tested by repeated-measures analysis of variance. Results. Significant (P < .05) differences in shade values were detected between pre- and post-bleaching in both groups. The two groups did not significantly differ in tooth shade at the end of the treatment. Conclusions. Treatment with 6% hydrogen peroxide gel using the paint-on system shows significant clinical efficacy whether applied by clinicians or by the patients themselves.

No MeSH data available.


Shade scoring at baseline.
© Copyright Policy - open-access
Related In: Results  -  Collection


getmorefigures.php?uid=PMC2836817&req=5

fig2: Shade scoring at baseline.

Mentions: Before the bleaching treatments, baseline numerical shade values were obtained for central incisors and canines of both hemiarches in accordance with the Vita Classical Shade Guide (Figure 2). Shade tabs were arranged in the sequence recommended by the manufacturer, assigning each tab with a number from 1 to 16 (B1, A1, B2, D2, A2, C1, C2, D4, A3, D3, B3, A3.5, B4, C3, A4, C4). The shade was recorded by two independent examiners not otherwise involved in the study (K coefficient = 0.85, standard error = 0.09), who were blinded to the materials used. They used the Demetron Shade Light system (KerrHawe S.A. Bioggio, Switzerland) to ensure the same light conditions (5500 K) for the shade scoring of all teeth.


Comparative clinical study of two tooth bleaching protocols with 6% hydrogen peroxide.

Oteo Calatayud J, Mateos de la Varga P, Oteo Calatayud C, Calvo Box MJ - Int J Dent (2010)

Shade scoring at baseline.
© Copyright Policy - open-access
Related In: Results  -  Collection

Show All Figures
getmorefigures.php?uid=PMC2836817&req=5

fig2: Shade scoring at baseline.
Mentions: Before the bleaching treatments, baseline numerical shade values were obtained for central incisors and canines of both hemiarches in accordance with the Vita Classical Shade Guide (Figure 2). Shade tabs were arranged in the sequence recommended by the manufacturer, assigning each tab with a number from 1 to 16 (B1, A1, B2, D2, A2, C1, C2, D4, A3, D3, B3, A3.5, B4, C3, A4, C4). The shade was recorded by two independent examiners not otherwise involved in the study (K coefficient = 0.85, standard error = 0.09), who were blinded to the materials used. They used the Demetron Shade Light system (KerrHawe S.A. Bioggio, Switzerland) to ensure the same light conditions (5500 K) for the shade scoring of all teeth.

Bottom Line: The two groups did not significantly differ in tooth shade at the end of the treatment.Conclusions.Treatment with 6% hydrogen peroxide gel using the paint-on system shows significant clinical efficacy whether applied by clinicians or by the patients themselves.

View Article: PubMed Central - PubMed

Affiliation: Department of Conservative Dentistry, School of Dentistry, University Complutense of Madrid, 28040 Madrid, Spain.

ABSTRACT
Objective. The objective was to compare the clinical efficacy of two different tooth bleaching protocols after 1 and 2 weeks of treatment with an over-the-counter paint-on gel containing 6% hydrogen peroxide. Material and methods. Sixteen volunteer patients (minimum shade A2 or darker on maxillary teeth) were selected to participate in this randomized, single-blind (examiner-blinded), single-center, 2-group clinical trial using a divided mouth model. The product was applied in our clinic to one hemi-arch (Group I) in each patient at two sessions one week apart, making five applications at each session (separated by 10 min intervals). The patients themselves applied the product once a day for 10 days in the other hemiarch (Group II). Efficacy was measured according to the Vita Classical shade guide at baseline and at one and two weeks. Differences between groups (office-treated vs. home-treated hemiarches) were tested by repeated-measures analysis of variance. Results. Significant (P < .05) differences in shade values were detected between pre- and post-bleaching in both groups. The two groups did not significantly differ in tooth shade at the end of the treatment. Conclusions. Treatment with 6% hydrogen peroxide gel using the paint-on system shows significant clinical efficacy whether applied by clinicians or by the patients themselves.

No MeSH data available.