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Pampush et al. molaR project Project ID: 00000C192 Public
43 Media · 15 Specimens · Managed by: James Pampush

Researchers studying mammalian dentitions from a functional perspective have increasingly moved towards using dental topography measures that can be estimated from 3D surface scans, which do not require identification of specific homologous landmarks. Here we present molaR, a new R package designed to assist researchers in calculating four commonly used topographic measures DNE (Dirichlet Normal Energy), RFI (Relief Index), OPC (Orientation Patch Count) and OPCR (Orientation Patch Count Rotated) from surface scans of teeth, enabling a unified application of these informative new metrics. In addition to providing topographic measuring tools, molaR has complimentary plotting functions enabling highly customizable visualization of results. This article walks researchers through installing, operating, and trouble-shooting molaR and its functions and gives an example of a simple comparison that measured teeth of the primates Alouatta and Pithecia, in molaR and other available software packages. molaR is a free and open source software extension, which can be found in the supplementary materials as well as on the Internet repository CRAN, which stores R packages.

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  ID Part Object Taxonomy Type Date Added Publication Status  
000008874 Lower M2 USNM:MAMM:USNM 374767 Pithecia pithecia Mesh 2016-02-02 Open Download  
000008873 Lower M2 USNM:MAMM:USNM 374759 Pithecia pithecia Mesh 2016-02-02 Open Download  
000008872 Lower M2 USNM:MAMM:USNM 374756 Pithecia pithecia Mesh 2016-02-02 Open Download  
000008871 Lower M2 USNM:MAMM:USNM 374746 Pithecia pithecia Mesh 2016-02-02 Open Download  
000008869 Lower M2 USNM:MAMM:USNM 374744 Pithecia pithecia Mesh 2016-02-02 Open Download  
000008870 Lower M2 USNM:MAMM:USNM 374745 Pithecia pithecia Mesh 2016-02-02 Open Download  
000008868 Lower M2 USNM:MAMM:USNM 290601 Alouatta palliata Mesh 2016-02-02 Open Download  
000008867 Lower M2 USNM:MAMM:USNM 284782 Alouatta palliata Mesh 2016-02-02 Open Download  
000008866 Lower M2 USNM:MAMM:USNM 281758 Alouatta seniculus Mesh 2016-02-02 Open Download  
000008865 Lower M2 USNM:MAMM:USNM 281751 Alouatta seniculus Mesh 2016-02-02 Open Download  
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