Final Answer:
Odontoblasts are the cells originally responsible for creating pulp, dentin, cementum, PDL (periodontal ligament), and bone.
The correct option is, (b) Odontoblasts.
Step-by-step explanation:
Odontoblasts, specialized cells found in the dental pulp, play a crucial role in tooth development and maintenance. These cells are responsible for the formation of dentin, the hard tissue underlying the enamel. Dentin surrounds the dental pulp, providing structural support to the tooth.
Additionally, odontoblasts contribute to the development of cementum, which covers the tooth's root surface, and participate in the formation of the periodontal ligament (PDL), anchoring the tooth in the socket.
While fibroblasts, osteocytes, and cementoblasts are involved in various aspects of dental and bone health, it is odontoblasts that are primarily responsible for the comprehensive creation of pulp, dentin, cementum, PDL, and bone within the context of tooth structure.
Odontoblasts are integral to dental health and play a pivotal role in tooth formation and maintenance. Understanding the functions and interactions of odontoblasts provides insights into the complexities of dental biology and oral health.