A Computed Tomographic Study of the Premolar Teeth of Babyrousa spp.

Macdonald, Alastair A; Ziehmer, Bianca; Kitchener, Andrew C; Gelang, Magnus; à…blad, Bjà¶rn; Lintonsson, Ruth; Pà¼ckler, Kerstin von; Schaub, Sebastian; Kiefer, Ingmar; Schwarz, Tobias

A Computed Tomographic Study of the Premolar Teeth of Babyrousa spp.

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macdonald-et-al-2023-a-computed-tomographic-study-of-the-premolar-teeth-of-babyrousa-spp.pdf

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Creator (person)

Macdonald, Alastair A

Ziehmer, Bianca

Kitchener, Andrew C

ORCID

Gelang, Magnus

à…blad, Bjà¶rn

Lintonsson, Ruth

Pà¼ckler, Kerstin von

Schaub, Sebastian

Kiefer, Ingmar

Schwarz, Tobias

Date published

January 2024

Abstract

A photographic and computed tomography (CT) scanning study was carried out on the premolar teeth of 18 adult male Babyrousa babyrussa skulls, 10 skulls of Babyrousa celebensis, including 6 adult males, 1 adult female, 1 subadult male, 1 subadult female, and 1 juvenile male. The occlusal morphology of the permanent maxillary premolar teeth of B. babyrussa was very similar to that of B. celebensis. Almost all the maxillary third premolar teeth (107/207) had 2 roots, whereas maxillary fourth premolar teeth (108/208) had 3 or 4 roots. All of the mesial tooth roots of 107/207 and 108/208 were tapering rod-like structures; each contained a single pulp canal. Almost all distal roots of 107/207 were “C” shaped and contained 2 pulp canals. The 108/208 palatal roots were “C” shaped and contained 2 pulp canals. The mesial and distal roots of the mandibular third premolar teeth (307/407) teeth were uniformly rod-like, as were the mesial roots of the mandibular fourth premolar teeth (308/408) teeth. The distal roots of the 308/408 teeth were “C” shaped. All B. babyrussa 307/407 teeth have a single pulp canal located in each of the mesial and distal roots. The 308/408 mesial tooth root contained 1 pulp canal. In all but 3 of the 36 distal 308/408 roots of B. babyrussa teeth and in 7 of the 14 distal roots of B. celebensis teeth there was a single pulp canal; in the other 7 teeth there were 2 pulp canals. Each of the 3 medial roots contained 1 pulp canal.