Chaoyang Wang1, Yi Fang1, Ling Zhang1, Zhiwei Su1, Jingqiu Xu1, Baiping Fu2. 1. The Affiliated Hospital of Stomatology, School of Stomatology, Zhejiang University School of Medicine, and Key Laboratory of Oral Biomedical Research of Zhejiang Province, Hangzhou, PR China. 2. The Affiliated Hospital of Stomatology, School of Stomatology, Zhejiang University School of Medicine, and Key Laboratory of Oral Biomedical Research of Zhejiang Province, Hangzhou, PR China. Electronic address: fbp@zju.edu.cn.
Abstract
OBJECTIVE: Multiple dental researches show that bovine teeth are potential alternatives to human teeth. However, whereas cattle are herbivore, humans are omnivorous. Consequently, we sought to compare the enamel microstructures of bovine and human teeth in relation to their functional similarity. MATERIALS AND METHODS: Crowns of human and bovine teeth were first cut longitudinally, horizontally and tangentially. The appearance of enamel microstructures under the three dimensions were then analyzed using a scanning electron microscope (SEM). RESULTS: Human and bovine teeth have relatively different enamel microstructure. Bovine enamel exhibits transitional zones between adjacent HSBs bands. In addition, it has abundant interprisms interwoven with prisms. CONCLUSION: The teeth of the bovine and humans have a similar evolutionary origin, but the differences are attributed to dietary adaptation. Given the closeness of enamel microstructure of two animals' teeth, the bovine teeth could be utilized as an excellent alternative to human teeth in dental researches.
OBJECTIVE: Multiple dental researches show that bovine teeth are potential alternatives to human teeth. However, whereas cattle are herbivore, humans are omnivorous. Consequently, we sought to compare the enamel microstructures of bovine and human teeth in relation to their functional similarity. MATERIALS AND METHODS: Crowns of human and bovine teeth were first cut longitudinally, horizontally and tangentially. The appearance of enamel microstructures under the three dimensions were then analyzed using a scanning electron microscope (SEM). RESULTS:Human and bovine teeth have relatively different enamel microstructure. Bovine enamel exhibits transitional zones between adjacent HSBs bands. In addition, it has abundant interprisms interwoven with prisms. CONCLUSION: The teeth of the bovine and humans have a similar evolutionary origin, but the differences are attributed to dietary adaptation. Given the closeness of enamel microstructure of two animals' teeth, the bovine teeth could be utilized as an excellent alternative to human teeth in dental researches.
Authors: Thais R D Paini; Joana Y T Uchimura; Francielle Sato; Antonio Medina Neto; Eliana L T Shimauti; Mauro L Baesso; Mirian M Hidalgo; Marcia L A Dos Santos; Isolde T S Previdelli; Renata C Pascotto Journal: Clin Cosmet Investig Dent Date: 2022-04-28