“…Among the different types of M3s, it is generally believed that impacted third molars (I‐M3s) are often symptomatic and have an increased likelihood to be a risk factor for disease development in neighboring teeth (Polat, Ozan, Kara, Ozdemir, & Ay, 2008; Yilmaz, Adisen, Misirlioglu, & Yorubulut, 2016). However, recent investigations have found that retained non‐impacted third molars (N‐M3s), that is, erupted M3s, also negatively impact dental health (Kindler et al, 2018; Li, Qu, Zhou, Tian, & Chen, 2017; Li, Qu, Zhou, Tian, Gao, et al, 2017).…”