Dear Editor,

I read with interest a recent article titled “Is anterior guidance a key factor on planning implant treatment for free-end missing in the posterior mandible?” in the Journal of Oral Implantology (JOI); however, the title could confuse the readers regarding the meaning of “free-end missing.”

Neither “free-end missing” nor “free-end” can be found in the JOI Glossary of Terms (JOIGT), which is an excellent publication of the JOI. It is a collection of words, phrases, and definitions specifically used in general dentistry, implantology, and oral surgery. Furthermore, neither are these terms included in the Glossary of Prosthodontic Terms (GPT) by the Academy of Prosthodontics, the oldest authoritative specialty organization in prosthetic dentistry.

“Free-end missing” could mean the absence of a free-end or the distal extension of a partial denture, as in case of denture breakage. The article, however, did not include the words “free-end...

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