Podcast
Questions and Answers
What is the name of the band of epithelium that invades the underlying ectomesenchyme along each of the future dental arches?
What is the name of the band of epithelium that invades the underlying ectomesenchyme along each of the future dental arches?
- Oral ectoderm
- Vestibular lamina
- Dental lamina
- Primary epithelial band (correct)
At about what age of the embryo does the primary epithelial band divide into dental lamina and vestibular lamina?
At about what age of the embryo does the primary epithelial band divide into dental lamina and vestibular lamina?
- 6th week
- 7th week (correct)
- 5th week
- 8th week
Which part of the embryo ruptures to establish a connection between the primitive oral cavity and the foregut?
Which part of the embryo ruptures to establish a connection between the primitive oral cavity and the foregut?
- Buccopharyngeal membrane (correct)
- Oral ectoderm
- Vestibular lamina
- Dental lamina
What is the function of the dental laminae during tooth development?
What is the function of the dental laminae during tooth development?
Which part of the embryo forms an inner process called dental lamina and an outer process called vestibular lamina?
Which part of the embryo forms an inner process called dental lamina and an outer process called vestibular lamina?
When does the buccopharyngeal membrane rupture to establish a connection with the foregut?
When does the buccopharyngeal membrane rupture to establish a connection with the foregut?
During which phase of tooth development does the differentiation of cells proceed to give rise to fully formed dental tissues, both mineralized and unmineralized?
During which phase of tooth development does the differentiation of cells proceed to give rise to fully formed dental tissues, both mineralized and unmineralized?
Which stage of tooth development is characterized by the deposition of dental hard tissue such as dentin and enamel?
Which stage of tooth development is characterized by the deposition of dental hard tissue such as dentin and enamel?
What type of swellings arise from the dental lamina in each jaw, corresponding to the future position of deciduous teeth?
What type of swellings arise from the dental lamina in each jaw, corresponding to the future position of deciduous teeth?
What is the term used for the oral vestibule formed between the alveolar portion of the jaws and the lips and cheeks?
What is the term used for the oral vestibule formed between the alveolar portion of the jaws and the lips and cheeks?
During which phase do the sites of the future teeth become established with the appearance of tooth germs along an invagination of the oral epithelium called dental lamina?
During which phase do the sites of the future teeth become established with the appearance of tooth germs along an invagination of the oral epithelium called dental lamina?
What is the term used for the round or ovoid swellings at ten different points arising from dental lamina in each jaw?
What is the term used for the round or ovoid swellings at ten different points arising from dental lamina in each jaw?
During which stage of tooth development does morphogenesis progress, with the deeper surface of the enamel organ invaginating to form a cap-shaped structure?
During which stage of tooth development does morphogenesis progress, with the deeper surface of the enamel organ invaginating to form a cap-shaped structure?
What is poorly histodifferentiated but develops a greater distinction between rounded cells in the central portion and peripheral cells arranging to form outer and inner dental epithelium?
What is poorly histodifferentiated but develops a greater distinction between rounded cells in the central portion and peripheral cells arranging to form outer and inner dental epithelium?
What occurs in the apposition phase of tooth development?
What occurs in the apposition phase of tooth development?
What is characteristic of the bud stage in tooth development?
What is characteristic of the bud stage in tooth development?
