Its medial surface gives insertion to the temporalis, and presents a ridge which begins near the apex of the process and runs downward and forward to the inner side of the last molar tooth.

[1] Isolated fractures of the coronoid process caused by direct trauma are rare, as it is anatomically protected by the complex zygomatic arch/ temporo-zygomatic bone and their associated muscles.

[2] Conservative management of minor fractures can lead to trismus (lockjaw) that can later only be corrected by removing the coronoid process.

[1] For serious fractures, a surgery involving open reduction and internal fixation can have good outcomes.

[1] This article incorporates text in the public domain from page 174 of the 20th edition of Gray's Anatomy (1918)