Social Isolation/Loneliness and Tooth Loss in Community-Dwelling Older Adults: The Sukagawa StudyInnovation in Aging, Volume 7, Issue 6, 2023, igad065, 

Sei Takahashi, MD, MPH, Toru Naganuma, MD, Noriaki Kurita, MD, PhD, Kenji Omae, MD, DrPH, Tsuyoshi Ohnishi, MD, PhD, Takashi Yoshioka, MD, PhD, Fumihito Ito, MD, PhD, Taro Takeshima, MD, PhD, Shingo Fukuma, MD, PhD, Sugihiro Hamaguchi, MD, PhD,
Shunichi Fukuhara, MD, PhD, the Sukagawa Study Group