lip retractors

lip re·trac·tors

(lip rĕ-traktŏrz)
Instruments used during dental procedures to hold back lips for improved access to oral areas.
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References in periodicals archive ?
After this procedure, some intraoral photographs were taken (Sony Cybershot HX1[R], Tokyo, Japan), using lip retractors (Arcflex Lip Retractor, FGM Dental Products[R], Joinville, Brazil), allowing a better positioning of occlusal and intra-oral mirrors, and also allowing the subjects a greater mouth opening, with less discomfort.