preferred_name: Failure of dental implant due to occlusal trauma (caused by poor prosthetic design)
preferred_name_lc: failure of dental implant due to occlusal trauma (caused by poor prosthetic design)
label: Failure of dental implant due to occlusal trauma (caused by poor prosthetic design)
label_lc: failure of dental implant due to occlusal trauma (caused by poor prosthetic design)