REFERENCES
1. Matis BA, Wang G, Matis JI, Cook NB, Eckert GJ. White diet: is it necessary during tooth whitening? Oper Dent 2015;40:235-40.
2. Wray A, Welbury R; Faculty of Dental Surgery, Royal College of Surgeons. Treatment of intrinsic discoloration in permanent anterior teeth in children and adolescence. Int J Paediatr Dent 2001;11:309-15.
3. Croll TP. Enamel microabrasion for removal of superficial demineralization and decalcification defects. J Am Dent Assoc 1990;120:411-5.
4. Kawamoto K. Effects of the hydroxyl radical and hydrogen peroxide on tooth bleaching. J Endod 2004;30:45-50.
5. Berga-Caballero A, Forner-Navarro L, Amengual-Lorenzo J. At-home vital bleaching: a comparison of hydrogen peroxide and carbamide peroxide treatments. Med Oral Patol Oral Cir Bucal 2005;11:E94-9.
6. Marson FC, Sensi LG, Vieira LC, Araújo E. Clinical evaluation of in-office dental bleaching treatments with and without the use of light-activation sources. Oper Dent 2008;33:15-22.
7. Machado C, Santos A, Pinherio F, Cunha A, Vasconcelos A, Borges B. Comparison of the clinical efficacy of at-home and in-office bleaching. Int J Dent Clin 2011;3:1-4.
8. Radz G. Effectiveness of a combined in-office and take-home whitening system for teeth shades A3.5-A4. Compend Contin Educ Dent 2014;35:696-701.
9. Ontiverous JC, Kugel G. In-office whitening treatment. Inside Dent 2014;10:88-92.
10. Deliperi S, Bardwell DN, Papathanasiou A. Clinical evaluation of a combined in-office and take-home bleaching system. J Am Dent Assoc 2004;135:628-34.
11. Matis BA, Cochrane MA, Wang G, Eckert GJ. A clinical evaluation of two in-office bleaching regimens with and without tray bleaching. Oper Dent 2009;34:142-9.
12. da Costa JB, McPharlin R, Paravina RD, Ferracane JL. Comparison of at-home and in-office tooth whitening using a novel shade guide. Oper Dent 2010;35:381-8.
13. Suliman M, Addy M, Macdonald E, Rees JS. A safety study in vitro for the effects of an in-office bleaching system on the integrity of enamel and dentin. J Dent 2004;32:581-90.
14. Elamin H, Aboubakr N, Ibrahim Y. Identifying the tooth shade in group of patients using vita easy shade. Eur J Dent 2015;9:213-7.
15. Khashayar G, Dozic A, Kleverlaan C, Feilzer A. Data comparison between two dental Spectrophotometer. Oper Dent 2012;37:12-20.
16. Alqahtani MQ. Tooth bleaching procedures and their controversial effects: a literature review. Saudi Dent J 2014;26:33-46.
17. Bizhag M, Chun Y, Damerau K, Singh P, Raab W, Zimmer S. Comparative clinical study of the effectiveness of three different bleaching methods. Oper Dent 2009;34:635-41.
18. Rezende M, Ferri L, Kosstaz S, Loguerico A, Reis A. Combined bleaching technique using low and high hydrogen peroxide in-office bleaching gel. Oper Dent 2016;41:1-9.
19. Dawson P, Sharif M, Smith A, Brunton P. A clinical study comparing the efficacy and sensitivity of home vs combined whitening. Oper Dent 2011;36:460-6.
20. Basting RT, Amaral F, Franca F, Florio F. Clinical comparative study of the effectiveness of and tooth sensitivity to 10% and 20% carbamide peroxide home use and 35% and 38% hydrogen peroxide in-office bleaching materials containing desensitizing agents. Oper Dent 2012;37:464-73.
21. Auschill T, Savia T, Hellwig E, Arweiler N. Randomized clinical trial of the efficacy, tolerability, and long term color stability of two bleaching techniques: 18-months follow-up. Quintessence Int 2012;43:683-93.
22. Tay L, Kose C, Herrera R, Reis A, Lougercio A. Long term efficacy of in-office and at-home bleaching: a 2-year double-blind randomized clinical trial. Am J Dent 2012;25:199-204.
23. Bernardon J, Sartori N, Ballarin A, Perdigão J, Lopes C, Baratieri N. Clinical performance of vital bleaching techniques. Oper Dent 2010;35:3-10.
24. Bonnie J, Dip D, Supeene L. Tooth whitening: efficacy, effects and biological safety. Probe Sci J 1999;33:169-74.
