From a proximal aspect, they resemble the incisors, but are more robust, especially in the cingulum region.
From the en.wikipedia.org
From a lingual aspect, they have well developed mesial and distal marginal ridges and a well-developed cingulum.
From the en.wikipedia.org
However, there is a traditional form of dress, usually a floor-length tunic and a knotted cord cincture, known as the cingulum.
From the en.wikipedia.org
This view is supported by the fact that Heliopithecus has broader cheek teeth and a better developed lingual cingulum as compared to Afropithecus.
From the en.wikipedia.org
Heliopithecus differs from Morotopithecus in that it has a narrower palate and upper cheek teeth and a better developed lingual cingulum.
From the en.wikipedia.org
Bucco-lingually the implants were placed for screw retained restorations with the screw access holes emerging from the cingulum of the definitive restorations.
From the nature.com
Lingually, the surface of the tooth is much more smooth compared to the very pronounced surface of the maxillary canine, and the cingulum is noted as less developed.