18 Questions
At which stage of embryonic development does the bud stage occur?
8th week
What is the origin of cementoblasts, fibroblasts, osteoblasts, and other cells needed to make the periodontium?
Dental follicle
What is the structure made of ectomesenchymal cells surrounding a developing tooth?
Dental follicle
What is the term for the development stage when the enamel organ resembles a bell-shaped structure?
Bell stage
What is the role of the dental follicle in tooth development?
Gives rise to cementum, PDL, and alveolar bone
At which stage of tooth development does the enamel organ resemble a small group of cells?
Bud stage
What is the primary structure formed during crown formation that will persist during root formation?
Cervical loop
What is the role of HERS in dentine formation?
Induces dentine formation on the pulp-side
What is the outcome of HERS breaking down into a network of epithelial cells?
Initiation of cementum formation
What is the function of the epithelial rests of Malassez?
Not specified in the text
What is the structure that forms when the cervical loop collapses?
Hertwig's Epithelial Root Sheath (HERS)
What is the stage at which the dental follicle is involved in periodontal tissue development?
During root formation
What allows dental follicle cells to differentiate into cementum-producing cells?
The breakup of HERS
What is the likely origin of osteoblasts involved in alveolar bone development?
Dental follicle cells
What is the function of cementoblasts in periodontal tissue development?
To form cementum along the root dentine
What is the result of the breakup of HERS in periodontal tissue development?
The differentiation of cementoblasts from dental follicle cells
What is the role of the dental follicle in periodontal tissue development?
To differentiate into cementoblasts and osteoblasts
What structures are formed when cementum-producing cells trap collagen fiber bundles from the developing PDL?
Sharpey's fibers
Learn about the developmental origins of periodontal tissues, epithelial and mesenchymal tissues involved in root development, and key events that lead to the formation of periodontal tissues. Understand the development of dental tissues and the cell layers involved in periodontal tissue and tooth root development.
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