Oral and Craniofacial Developmental Biology Revision

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What is the role of reduced enamel epithelium in the development of the junctional epithelium?

It guides the development of the junctional epithelium (correct)

It produces the enamel matrix proteins during amelogenesis

It provides a barrier for the eruption of teeth

It regulates the formation of dentin

What is the primary function of Tomes's processes in ameloblasts?

To facilitate the movement of ameloblasts

To increase the surface area for enamel formation

To secrete enamel matrix proteins (correct)

To regulate the mineralization of enamel

What is the name of the process by which the enamel maturation and mineralization occur?

Maturation and mineralization (correct)

Amelogenesis

Eruption

Junctional epithelial development

What is the term for the incremental lines observed in enamel?

Growth Lines of Retzius Signup and view all the answers

What is the primary difference between active and passive eruption?

Forces involved in eruption Signup and view all the answers

What is the name of the cells responsible for enamel formation?

Ameloblasts Signup and view all the answers

What are the three primary germ layers that form during embryogenesis?

Endoderm, Mesoderm, Ectoderm Signup and view all the answers

During embryogenesis, how are the germ layers formed?

Through the formation of the blastula and gastrula Signup and view all the answers

Which facial primordium gives rise to the upper lip in the adult face?

Frontonasal prominence Signup and view all the answers

What is the fate of the pharyngeal arches?

They form the skull and face Signup and view all the answers

Which type of ossification occurs in cartilage models?

Endochondral ossification Signup and view all the answers

What is the mechanism of sutural growth?

Deposition of bone at the sutures Signup and view all the answers

What is the primary function of odontoblasts in dentinogenesis?

To secrete and modify the protein matrix and mineralize the matrix Signup and view all the answers

What is the arrangement of the outer region of the pulp?

Odontoblast layer, cell-free zone, and Raschkow's nerve plexus Signup and view all the answers

What is the composition of the dental pulp?

Odontoblasts, fibroblasts, defense cells, and ground substances Signup and view all the answers

What is the clinical significance of the structure of dentine?

It affects the sensitivity of the tooth Signup and view all the answers

What is the process by which tertiary dentine is formed?

Molecular mechanisms involved in tertiary dentine formation Signup and view all the answers

What is the location of the dental pulp?

Within the rigid encasement of mineralized dentin Signup and view all the answers

What is the main function of the periodontal ligament during tooth support?

To attach the tooth to the surrounding bone Signup and view all the answers

Which type of fibers are attached to the Bundle bone?

Sharpey’s fibers Signup and view all the answers

What is the main difference between the periodontal ligament and gingival tissues?

The periodontal ligament is attached to the tooth, whereas gingival tissues are attached to the bone Signup and view all the answers

What is the function of cementoblasts in the periodontal ligament?

To produce cementum Signup and view all the answers

What is the term for the tissue that surrounds the emerging dental implant and restoration?

Periimplant tissue Signup and view all the answers

What is the main characteristic of embryonic stem cells (ESCs)?

They are pluripotent Signup and view all the answers

What is the primary function of adult/somatic stem cells?

To maintain tissue homeostasis Signup and view all the answers

What is the process of generating Induced Pluripotent Stem (iPSCs) cells?

Reprogramming adult cells into pluripotent cells Signup and view all the answers

What type of stem cells can be found in dental pulp?

DPSCs (Dental Pulp Stem Cells) Signup and view all the answers

What is the term for the process by which dentin repairs itself?

Dentinogenesis Signup and view all the answers

What happens in Dental pulp following injury?

Inflammation and repair Signup and view all the answers

What is the purpose of the Histology Workshop in this course?

To revise Development lectures and Anatomy Signup and view all the answers