This analysis reveals substance P distribution in dental pulp, implying its role in proplatelet formation.
Freshly-extracted human third molars were fixed in Zamboni fixative, demineralized with the mixture of EDTA and the fixative; substance P-like immunoreactivity (SPLI) was revealed by the indirect immunofluorescence technique of Coons. Substance P (SP) was observed in the pulp-dentine zone and the dental pulp. Some of SP-containing fibres ended at the odontoblast layer and did not reach the predentine; others terminated at the predentine surface or penetrated into the predentine. In the predentine, some of SP fibres accompanied odontoblast processes and ended near the mineralized dentine; others changed course transversely at various levels.
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正寄 et al. (1998) studied this question.
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