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The Open Dentistry Journal, 2016, 10, 242-250
The Open Dentistry Journal Content list available at: www.benthamopen.com/TODENTJ/ DOI: 10.2174/1874210601610010242
Clinical and Spectrophotometric Evaluation of LED and Laser Activated Teeth Bleaching R. Lo Giudice1, G. Pantaleo2, A. Lizio1, U. Romeo3, G. Castiello2, G. Spagnuolo2,* and G. Lo Giudice1 1
Medical Sciences and Stomatology Department, School of Dentistry, University of Messina, Messina, Italy Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples Federico II, Naples, Italy 3 Department of Oral and Maxillofacial Sciences University Sapienza, Rome, Italy 2
Received: January 18, 2016
Revised: April 21, 2016
Accepted: May 12, 2016
Abstract: Background: Auxiliary power sources (LED and laser) are used in in-office teeth bleaching techniques to accelerate the redox reaction of the whitening gel to increase ease of use, to improve comfort and safety, and to decrease the procedure time. Objective: The aim this study is to evaluate the efficiency of the teeth whitening procedures performed with hydrogen peroxide and carbamide peroxide, LED or Laser activated. Method: 18 patients, affected by exogenous dyschromia, were treated with a bleaching agent composed by 35% hydrogen peroxide and 10% carbamide peroxide. They were divided into two groups: in the first group the bleaching agent was activated by a LED lamp; in the second group it was activated by a Laser diode lamp. Both groups were subjected to 3 bleaching cycle of 15’ each. The chromatic evaluations were performed before and after one week from the treatment, using a chromatic scale and a spectrophotometer. The mean value of pre, post bleaching and follow-up were analyzed using a T-test, with results statistically significant for P 3 the easy to detect color differences, was considered clinically significant; for 2 < ΔE < 3 the color differences are present but not so well evident; for ΔE < 2 the color variation was considered negative due to the impossibility for the human eye to detect the color change. The mean value of pre, post bleaching and follow-up were analyzed using a T-test, with results statistically significant for P
The Open Dentistry Journal, 2016, 10, 242-250
The Open Dentistry Journal Content list available at: www.benthamopen.com/TODENTJ/ DOI: 10.2174/1874210601610010242
Clinical and Spectrophotometric Evaluation of LED and Laser Activated Teeth Bleaching R. Lo Giudice1, G. Pantaleo2, A. Lizio1, U. Romeo3, G. Castiello2, G. Spagnuolo2,* and G. Lo Giudice1 1
Medical Sciences and Stomatology Department, School of Dentistry, University of Messina, Messina, Italy Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples Federico II, Naples, Italy 3 Department of Oral and Maxillofacial Sciences University Sapienza, Rome, Italy 2
Received: January 18, 2016
Revised: April 21, 2016
Accepted: May 12, 2016
Abstract: Background: Auxiliary power sources (LED and laser) are used in in-office teeth bleaching techniques to accelerate the redox reaction of the whitening gel to increase ease of use, to improve comfort and safety, and to decrease the procedure time. Objective: The aim this study is to evaluate the efficiency of the teeth whitening procedures performed with hydrogen peroxide and carbamide peroxide, LED or Laser activated. Method: 18 patients, affected by exogenous dyschromia, were treated with a bleaching agent composed by 35% hydrogen peroxide and 10% carbamide peroxide. They were divided into two groups: in the first group the bleaching agent was activated by a LED lamp; in the second group it was activated by a Laser diode lamp. Both groups were subjected to 3 bleaching cycle of 15’ each. The chromatic evaluations were performed before and after one week from the treatment, using a chromatic scale and a spectrophotometer. The mean value of pre, post bleaching and follow-up were analyzed using a T-test, with results statistically significant for P 3 the easy to detect color differences, was considered clinically significant; for 2 < ΔE < 3 the color differences are present but not so well evident; for ΔE < 2 the color variation was considered negative due to the impossibility for the human eye to detect the color change. The mean value of pre, post bleaching and follow-up were analyzed using a T-test, with results statistically significant for P
