| incisal path | The influence on mandibular movements caused by the contacting surfaces of the mandibular and maxillary anterior teeth during eccentric excursions. Synonym: incisal path. (05 Mar 2000) |
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| incisal point | The point located between the incisal edges of the lower central incisors; the graphic projection of the excursions of the incisal point in certain planes is generally used to illustrate the envelope of motion of mandibular movement. (05 Mar 2000) |
| incisal rest | The portion of a removable partial denture supported by an incisal edge. (05 Mar 2000) |
| incisal surface | The part of an anterior tooth farthest from the apex of the root. Synonym: margo incisalis, cutting edge, incisal margin, incisal surface, shearing edge. (05 Mar 2000) |