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Chapter 8 Review
DEntal chapter 8 workbook assignment
| Question | Answer |
|---|---|
| begins at the start of pregnancy and continues until birth. | prenatal development |
| The hard and soft palates are formed by the union of the primary and secondary | palates |
| What factor(s) can have a prenatal influence on dental development? | genetics and enviroment |
| Which period of prenatal development is the most critical? | Embryonic period |
| The cementoenamel junction is located | between the cementum and the enamel |
| Growth, calcification, and _______________ are the three primary periods in tooth formation. | eruption |
| What is the name of the process by which teeth move into a functional position in the oral cavity? | eruption |
| Pain is transmitted through dentin by way of | dentinal fibers |
| the study of the structure and function of tissues on a microscopic level. | histology |
| The microscopic alternating light and dark areas in the enamel are called | Hunter-Schreger bands |
| The tooth bud for the first permanent molar forms at _____________ weeks of fetal life while the tooth buds for the second permanent molar forms around ___________ months after birth. | 17 , 6 |
| What is the name of the largest mineral component in enamel? | calcium |
| The portion of a tooth that is visible in the mouth is the | clinical crown |
| The pulp is made up of | blood vessels and nerves |
| Which branchial arch forms the bones, muscles, and nerves of the face and the lower lip? | first |
| What is the first period of prenatal development? | preimplantation period |
| Which type of oral mucosa forms the inside of the cheeks, lips, and soft palate? | lining mucosa |
| Enamel forming cells are | ameloblasts |
| Oral mucosa that covers the hard palate, dorsum of the tongue and gingiva is | masticatory mucosa |
| What types of cells form the intercellular substance of the pulp? | fibroblasts |
| Cells that resorb cementum are | cementoclasts |
| The union of the male sperm and the ovum of the female is | conception |
| Name the process for the laying down or adding of bone | deposition |
| Oral mucosa is made up of | stratified squamous epithelium |
| the study of prenatal development. | embryology |
| The type of dentin that is also known as reparative dentin is | tertiary dentin |
| teeth are permanent teeth with primary predecessors; examples are the anterior teeth and the premolars | succedaneous |
| The primary function of the periodontium is | to support the tooth to maintain the tooth to retain the tooth |
| The embryonic layer that differentiates into bones, muscles and kidneys is | mesoderm |
| The ____________ extends from the beginning of the second week to the end of the eighth week | embryonic period |
| are dentin-forming cells | odontoblasts |
| When does the development of the human face occur? | fifth to eighth weeks |
| Which of the following environmental influences during pregnancy may cause anomalies | Infections Drugs Exposure to radiation |
| The normal process of shedding primary teeth is | exfoliation |
| Which developmental disturbance occurs when the enamel organ invaginates into the dental papilla | dens en dente |
| The final stage in the growth period is the | bell |
| Which branchial arch forms the sides and front of the neck? | second |
| What is formed in the occlusal surface when multiple cusps join together? | fissure and pit |
| are cementum-forming cells. | cementoblasts |
| The ____________ are the ends of odontoblasts that cross the DEJ into the enamel | enamel spindles |
| are cells that resorb bone | osteoclasts |
| Name the process of bone loss or removal. | resorption |
| The hardest substance in the human body is | enamel |
| The tissues that support the teeth in the alveolar bone are | periodontium |