Efficacy Comparison of Nd:YAG laser, diode laser and dentine bonding agent in dentine hypersensitivity reduction: a clinical trial.

Autor: Tabatabaei MH; Operative Dentistry Department, Dental School, Tehran University of Medical Sciences, Tehran, Iran., Chiniforush N; Laser Research Center in Dentistry, School of Dentistry, Tehran University of Medical Science, Tehran, Iran., Hashemi G; Dentist., Valizadeh S; Operative Dentistry Department, Dental School, Tehran University of Medical Sciences, Tehran, Iran.
Jazyk: angličtina
Zdroj: Laser therapy [Laser Ther] 2018 Dec 31; Vol. 27 (4), pp. 265-270.
DOI: 10.5978/islsm.27_18-OR-24
Abstrakt: Purpose: Dentin hypersensitivity is characterized by short, sharp pain arising from exposed dentin in response to external stimuli. Several modalities have been suggested for treatment of this condition such as low-level laser therapy (LLLT) and application of dentin bonding agents. The aim of this study was to compare the clinical efficacy of diode laser, Nd:YAG laser and dentin bonding agent for treatment of dentin hypersensitivity.
Materials and Methods: In this study, 135 teeth of 22 patients diagnosed with dentin hypersensitivity were divided into three groups: In group 1, the teeth were irradiated by diode laser with 810 nm wavelength for 30 seconds and in group 2, the teeth were irradiated by Nd:YAG laser with 1064 nm wavelength for 40 seconds. CLEARFIL SE BOND was applied on teeth in group 3. LLLT was carried out in 3 sessions with 7-day intervals between sessions, during a period of 3 consecutive weeks. Hypersensitivity was assessed by cold test according to the criteria proposed by Uchida at baseline, immediately after treatment and at 1, 3 and 6 months, postoperatively.
Results: Reduction of dentin hypersensitivity was observed at 3 and 6 months following the use of Nd:YAG laser (p < 0.001) . Reduction in dentin hypersensitivity was observed immediately after treatment in all groups. Statistically significant differences in level of dentin hypersensitivity were found between groups at 3 and at 6 months (p ≤ 0.001) . The reduction in dentin hypersensitivity by Nd:YAG laser was significantly superior to that in other groups at this time.
Conclusion: The efficacy of Nd:YAG laser in reduction of dentin hypersensitivity was significantly superior to that of other modalities at 3 and 6 months.
Databáze: MEDLINE