[1] Sischo L, Broder HL. Oral health-related quality of life: what, why, how, and future implications. J Dent Res 2011;90(11): 1264-70. http://dx. doi.org/10.1177/0022034511399918.CrossRef
[2] Kassebaum NJ, Bernabé E, Dahiya M, Bhandari B, Murray CJL, Marcenes W. Global Burden of severe tooth loss: a systematic review and meta-analysis. J Dent Res 2014;93(S7): 20S-8S. http://dx. doi.org/10.1177/0022034514537828.CrossRef
[3] Alexopoulos GS. Depression in the elderly. Lancet 2005;365(9475): 1961-70. http://dx. doi.org/10.1016/s0140-6736(05)66665-2.CrossRef
[4] Matsuyama Y, Jürges H, Dewey M, Listl S. Causal effect of tooth loss on depression: evidence from a population-wide natural experiment in the USA. Epidemiol Psychiatr Sci 2021;30: e38. http://dx. doi.org/10.1017/s2045796021000287.CrossRef
[5] Koyama S, Aida J, Kondo K, Yamamoto T, Saito M, Ohtsuka R, et al. Does poor dental health predict becoming homebound among older Japanese? BMC Oral Health 2016;16(1): 51. http://dx. doi.org/10.1186/s12903-016-0209-9.
[6] Woo J, Ho S, Lau J, Yuen YK. Chewing difficulties and nutritional status in the elderly. Nutr Res 1994;14(11): 1649-54. http://dx. doi.org/10.1016/S0271-5317(05)80319-7.CrossRef
[7] Zeng Y. Chinese longitudinal healthy longevity survey and some research findings. Geriatr Gerontol Int 2004;4(S1): S49-52. http://dx. doi.org/10.1111/j.1447-0594.2004.00147.x.CrossRef
[8] Kunrath I, Ribeiro Silva AE. Oral health and depressive symptoms among older adults: longitudinal study. Aging Ment Health 2020. http://dx. doi.org/10.1080/13607863.2020.1855104.
[9] Shen K, Zhang B, Feng QS. Association between tea consumption and depressive symptom among Chinese older adults. BMC Geriatr 2019;19(1): 246. http://dx. doi.org/10.1186/s12877-019-1259-z.CrossRef
[10] Yamamoto T, Aida J, Kondo K, Fuchida S, Tani Y, Saito M, et al. Oral health and incident depressive symptoms: JAGES project longitudinal study in older Japanese. J Am Geriatr Soc 2017;65(5): 1079-84. http://dx. doi.org/10.1111/jgs.14777.CrossRef
[11] Rouxel P, Tsakos G, Chandola T, Watt RG. Oral health-a neglected aspect of subjective well-being in later life. J Gerontol Ser B Psychol Sci Soc Sci 2018;73(3): 382-6. http://dx. doi.org/10.1093/geronb/gbw024.CrossRef
[12] Shim J, Lee Y, Hong SJ, Noh K, Pae A, Kim HS, et al. Relationship between usage of removable denture and depression in Korean adults with loss of multiple teeth: A cross-sectional study using the seventh Korea national health and nutrition examination survey. J Korean Acad Prosthodont 2021;59(1): 1-10. http://dx. doi.org/10.4047/jkap.2021.59.1.1.CrossRef
[13] Nowjack-Raymer RE, Sheiham A. Numbers of natural teeth, diet, and nutritional status in US adults. J Dent Res 2007;86(12): 1171-5. http://dx. doi.org/10.1177/154405910708601206.CrossRef
[14] Upton N. Developing our understanding of nutrition in depression. Br J Nutr 2021. http://dx. doi.org/10.1017/S0007114521001744.
[15] Glick M, Williams DM, Kleinman DV, Vujicic M, Watt RG, Weyant RJ. A new definition for oral health developed by the FDI World Dental Federation opens the door to a universal definition of oral health. Br Dent J 2016;221(12): 792-3. http://dx. doi.org/10.1038/sj.bdj.2016.953.CrossRef