Questions and Answers
_______ is the study of prenatal development.
Embryology
_____ is the study of the structure and function of tissues on a microscopic level.
Histology
_____ begins at the start of pregnancy and continues until birth.
Prenatal Development
The __________ extends from the beginning of the second week to the end of the eighth week.
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The union of the male sperm and the ovum of the female is ________.
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_________ teeth are permanent teeth with primary predecessors; examples are the anterior teeth and premolars.
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The tissues that support the teeth in the alveolar bone are ______.
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Enamel-forming cells are _____.
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_______ are dentin-forming cells.
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_______ are cementum-forming cells.
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Cells that resorb cementum are ________.
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_______ are cells that resorb bone.
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The normal process of shedding primary teeth is ______.
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Oral mucosa is made up of _________________.
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Oral mucosa that covers the hard palate, dorsum of the tongue, and gingiva is ____________.
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Name the first period of prenatal development.
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Which period of prenatal development is the most critical?
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The embryonic layer that differentiates into cartilage, bones, and muscles is _________________.
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Which branchial arch forms the bones, muscles, nerves of the face, and the lower lip?
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Which branchial arch forms the side and front of the neck?
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The hard and soft palates are formed by the union of the primary and secondary _______.
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When does the development of the human face occur?
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At birth, how many teeth are in various stages of development?
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What factor can have a prenatal influence on dental development?
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Name the process for the laying down or adding of bone.
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Name the process of bone loss or removal.
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Growth, calcification, and _________ are the three primary periods in tooth formation.
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The final stage in the growth period is the _______.
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What is formed in the occlusal surface when multiple cusps join together?
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What is the name of the process by which teeth move into a functional position in the oral cavity?
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The portion of a tooth that is visible in the mouth is the _______.
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The cementoenamel junction is located ___________.
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The hardest substance in the human body is ________.
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What is the name of the largest mineral component in enamel?
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Pain is transmitted through dentin by way of _______.
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The type of dentin that is also known as reparative dentin is _________.
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The pulp is made up of _______.
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What type of cells form the intracellular substance of the pulp?
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The primary function of the periodontal ligament is _________.
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Which type of oral mucosa forms the inside of the cheeks, lips, and soft palate?
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Study Notes
Embryology and Histology Basics
- Embryology is the study of prenatal development.
- Histology focuses on the structure and function of tissues at a microscopic level.
- Prenatal development starts at conception and ends at birth.
Key Developmental Periods
- Embryonic period spans from the beginning of the second week to the end of the eighth week, which is critical for development.
- Preimplantation period is the first phase of prenatal development.
Conception and Tooth Development
- Conception is the union of male sperm and female ovum.
- Succedaneous teeth are permanent teeth that replace primary predecessors, e.g., anterior teeth and premolars.
- Exfoliation is the natural process of shedding primary teeth.
Supporting Structures and Cells
- Periodontium is the tissue that supports teeth within the alveolar bone.
- Ameloblasts are responsible for enamel formation, while odontoblasts form dentin and cementoblasts are for cementum.
Bone Resorption and Formation
- Cementoclasts resorb cementum, while osteoclasts are involved in bone resorption.
- Bone deposition refers to the process of adding bone.
Oral Mucosa Types
- Oral mucosa consists of stratified squamous epithelium.
- Masticatory mucosa covers areas like the hard palate and dorsum of the tongue, important for chewing.
- Lining mucosa is found inside the cheeks, lips, and soft palate.
Face and Palate Development
- The development of the human face occurs between the fifth and eighth weeks of gestation.
- The hard and soft palates develop from the union of primary and secondary palates.
Dental Development Insights
- By birth, there are 44 teeth in various stages of development.
- Genetics and environmental factors significantly influence prenatal dental development.
Tooth Formation Processes
- Tooth formation involves growth, calcification, and eruption.
- The bell stage represents the final stage in the growth period of teeth.
Tooth Structure and Composition
- The clinical crown is the part of the tooth visible in the mouth.
- The cementoenamel junction is situated between the cementum and enamel.
- Enamel, the hardest substance in the human body, has calcium as its largest mineral component.
Pain and Dentin
- Pain signals are transmitted through dentin via dentinal tubules.
- Tertiary dentin, also known as reparative dentin, forms in response to stimuli.
The Dental Pulp and Supporting Tissues
- The dental pulp contains blood vessels and nerves essential for tooth vitality.
- Fibroblasts create the intracellular substance of the pulp.
- The primary function of the periodontal ligament is to support, maintain, and retain teeth.
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Description
Test your knowledge of Chapter 8 on Oral Embryology and Histology with these flashcards. This quiz covers key terms and concepts related to prenatal development and tissue structure. Perfect for students looking to reinforce their understanding of embryology and histology.
