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Medical Definition of S-N-B angle
1. An angle showing the anterior limit of the mandibular basal arch in relation to the anterior cranial base. See: supramentale. Origin: sella-nasion-supramentale (or point B) (05 Mar 2000)
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1. An angle showing the anterior limit of the mandibular basal arch in relation to the anterior cranial base. See: supramentale. Origin: sella-nasion-supramentale (or point B) (05 Mar 2000)