Paper short abstract:

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Paper long abstract:

Dental remains can provide considerable evidence for a variety of data and information for better understanding human population history and their socio-cultural phenonmenon in the past. The excavations at Nongrajawat, a Neolithic site in west-central Thailand, have yielded a number of human skeletons with poor preservation, but the existence of fairly good condition of dental remains can be included for this small research. The permanent teeth measurements in male and female adults in a total of 46 individuals from this prehistoric site have been completed based on standard measurement methods and equipment. Additional teeth of another two adults from Tam An Mah - a prehistoric site in highland northern Laos - are included for comparison together with another comparative dataset from previous published studies. The relevant data from the present study and the comparative series are analysed by standard statistical methods. The results of cluster analyses indicates the biological distance between the population from Nongrajawat and the comparative populations. This data also results in support, to some degree, of the human immigration model across Thailand, Southeast Asia, and the adjacent areas since the transitional period from pre-Neolithic to Neolithic periods onwards.