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牙颌畸形的考古研究

A Review of Archaeological Studies on Dento-maxillofacial Deformities

  • 摘要: 牙颌畸形是人类常见且具有显著时代差异的口腔疾病,其发生发展与人类演化、生活方式转变及遗传背景密切相关。考古学研究为追溯牙颌畸形的起源与演变提供了关键证据。本文系统梳理了从史前时期至各历史时期牙颌畸形的考古学发现,重点分析错颌类型、发生频率及其时空分布特征,并结合牙齿与颌骨形态学资料,探讨其与饮食结构、经济形态及人群迁徙之间的关系。研究表明,牙颌畸形在人类早期阶段发生率较低,而在农业出现及食物精细化加工后显著增加,尤其表现为拥挤、深覆合等类型的明显上升,提示环境因素在其发生中的重要作用。同时,不同地区人群在畸形表现上存在差异,反映出遗传背景与文化因素的综合影响。上述考古证据不仅揭示了牙颌畸形的发生具有明显的时代差异和环境依赖性,也为理解现代高发的病因机制提供了历史参照,并为口腔正畸防治策略的优化提供了理论依据。

     

    Abstract: Dentomaxillofacial deformities are highly prevalent oral diseases that exhibit pronounced temporal variation, and their occurrence and progression are closely associated with human evolution, lifestyle transitions, and genetic background. Archaeological research provides critical evidence for tracing the origin and evolutionary trajectory of dentomaxillofacial deformities. This review systematically summarizes archaeological findings of dentomaxillofacial deformities from prehistoric to historical periods, focusing on occlusal types, prevalence, and their spatiotemporal distribution patterns. By integrating morphological data from teeth and jawbones, the study further explores the relationships between malocclusion and dietary structure, economic modes, and population migration. The results indicate that dentomaxillofacial deformities were relatively rare in early human populations but increased markedly following the advent of agriculture and the refinement of food processing, particularly manifesting as higher frequencies of dental crowding and deep overbite, suggesting a pivotal role of environmental factors in their development. Meanwhile, variations in malocclusion patterns across different populations reflect the combined influence of genetic background and cultural factors. These archaeological findings reveal that dentomaxillofacial deformities demonstrate clear temporal variability and environmental dependence, and they provide a historical framework for understanding the high prevalence and etiological mechanisms of modern malocclusion, as well as a theoretical basis for optimizing orthodontic prevention and treatment strategies.

     

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