Wai Keung Leung

Jun 19, 2024 | mdpi.com | Wai Keung Leung |Florence M. F |Wai Keung

All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.

Feb 28, 2024 | mdpi.com | Anna Wong |Wai Keung Leung |Florence M. F |Wai Keung

1. Introduction 1.1. BackgroundThe global ageing population is a growing concern, with an estimated 1.4 billion people aged 60 and older by 2030, doubling to 2.1 billion by 2050 [1]. In Hong Kong, the number of older individuals is expected to reach 2.74 million by 2046 [2]. Poor oral health among this population has become a challenge as it is often overlooked, negatively impacting their general health and quality of life [3,4].