Den 017 Oral Anatomy Student Activity Sheet #5 PDF

DEN 017: Oral Anatomy Student Activity Sheet #5 Name:_____________________________________________________________...

DEN 017: Oral Anatomy Student Activity Sheet #5 Name:_____________________________________________________________ Class number: _______ Section:____________Schedule:_______________________________________ Date: ______________ Lesson title: Development and Eruption of the Teeth Materials: Lesson Objectives: At the end of this module, you should be able Pen, pencil and eraser to: 1. Learn by rote the sequence of eruption of both deciduous References: and permanent dentition Wheeler’s Dental Anatomy, 2. Know and remember the ideal age of eruption of all teeth. Physiology, and Occlusion By Stanley J. Nelson, DDS 10th Edition Productivity Tip: Today will be a day full of memorizing numbers and sequences of letters and numbers. May I advice you to stay focused by training your brain to shift to work mode. Clear your working area from any possible distractions and prepare all necessary material for todays session. A. LESSON PREVIEW/REVIEW 1) Introduction Good day stuDENTS! Welcome to our 5th session in Oral Anatomy. As dentist, it is important to know and memorize by heart the sequence and the ideal age of emergence of teeth into our oral cavity because it will help us diagnose oral conditions of our patients. Some of these oral conditions are manifested through premature eruption or exfoliation of teeth. Additionally, with these things that you will learn today, you will be able to know the age of the person by just merely checking their mouth or by looking at their oral radiographs or even photographs. 2) Activity 1: What I Know Chart, part 1 For this part, I’d like to ask what you know about the questions I have in the second column. Write your answers accordingly in the first column only. What I Know Questions What I Learned (Activity 4) 1. Is there a period in our lifetime that both deciduous and permanent teeth are present in our mouth? 2. Why do you think that in the permanent dentition the first molars are usually the ones affected by dental caries? This document is the property of PHINMA EDUCATION  DEN 017: Oral Anatomy Student Activity Sheet #5 Name:_____________________________________________________________ Class number: _______ Section:____________Schedule:_______________________________________ Date: ______________ B. MAIN LESSON 1) Activity 2: Content Notes Read and understand the information and illustrations below. Highlight terms and important information to aid comprehension and recall. *This content is also found in Wheeler’s Dental Anatomy, Physiology and Occlusion Book, Chapter 2. For additional study resources, please visit http://evolve.elsevier.com/Nelson/dentalanatomy (1) The formation of crowns and roots which is more resistant to Dental development can be environmental influences considered to have two (2) The eruption of the teeth, which can be affected by caries and components: tooth loss. Development of the root portion begins. At the cervical border of the After the crown of the tooth is enamel (the cervix of the crown), cementum starts to form as a root formed: covering of the dentin. Formation of the root is The root formation is not finished when the tooth emerges, because considered to be an active the formation of root dentin and cementum continues after the tooth factor in moving the crown is in use. toward its final position in the mouth A process in which tissue or noncellular material in the body becomes hardened as the result of precipitates or larger deposits of Calcification insoluble salts of calcium (and also magnesium), especially calcium carbonate and phosphate (hydroxyapatite) normally occurring only in the formation of bone and teeth. A general term referring to all quantitative defects of enamel Enamel hypoplasia thickness. Was used to denote the tooth’s emergence through the gingiva, but then it became more completely defined to mean continuous tooth movement from the dental bud to occlusal contact. Eruption The process of eruption of the tooth is completed when most of the crown is in evidence and when it has made contact with its antagonist or antagonists in the opposing jaw. The first transition (mixed) dentition begins with the emergence and eruption of the permanent mandibular first molars usually at Mixed Dentition about age 6 and ends with the loss of the last primary tooth, which usually occurs at about age 11 to 12. A connective tissue organ containing a number of structures, including arteries, veins, a lymphatic system, and nerves. Its primary Dental pulp function is to form the dentin of the tooth. This document is the property of PHINMA EDUCATION  DEN 017: Oral Anatomy Student Activity Sheet #5 Name:_____________________________________________________________ Class number: _______ Section:____________Schedule:_______________________________________ Date: ______________ This document is the property of PHINMA EDUCATION  DEN 017: Oral Anatomy Student Activity Sheet #5 Name:_____________________________________________________________ Class number: _______ Section:____________Schedule:_______________________________________ Date: ______________ This document is the property of PHINMA EDUCATION  DEN 017: Oral Anatomy Student Activity Sheet #5 Name:_____________________________________________________________ Class number: _______ Section:____________Schedule:_______________________________________ Date: ______________ This document is the property of PHINMA EDUCATION  DEN 017: Oral Anatomy Student Activity Sheet #5 Name:_____________________________________________________________ Class number: _______ Section:____________Schedule:_______________________________________ Date: ______________ This document is the property of PHINMA EDUCATION  DEN 017: Oral Anatomy Student Activity Sheet #5 Name:_____________________________________________________________ Class number: _______ Section:____________Schedule:_______________________________________ Date: ______________ 2) Activity 3: Skill-building Activities Please fill the missing boxes accordingly: Check your answers against the Key to Corrections found at the end of this SAS. Write your score on your paper. This document is the property of PHINMA EDUCATION  DEN 017: Oral Anatomy Student Activity Sheet #5 Name:_____________________________________________________________ Class number: _______ Section:____________Schedule:_______________________________________ Date: ______________ 3) Activity 4: What I Know Chart, part 2 At this point, I’d like to verify how your knowledge has changed, by reviewing the questions in the What I Know Chart from activity 1 and write your answers to the questions based on what you now know in the last column of the chart. 4) Activity 5: Check for Understanding Please answer the following questions: The mixed dentition will commence at about what age? The exfoliation of the last deciduous tooth will signify the end of mixed dentition which is usually at an average age of _____. Normally, how many teeth are erupted when a child is 6 years old? In the permanent dentition, how many years will the root be completed after its eruption? When is the first evidence of enamel hardening in the deciduous dentition? Check your answers against the Key to Corrections found at the end of this SAS. Write your score on your paper. This document is the property of PHINMA EDUCATION  DEN 017: Oral Anatomy Student Activity Sheet #5 Name:_____________________________________________________________ Class number: _______ Section:____________Schedule:_______________________________________ Date: ______________ C. LESSON WRAP-UP 1) Activity 6: Thinking about Learning A. Work Tracker You are done with this session! Let’s track your progress. Shade the session number you just completed. Week 1 Week 2 Week 3 Week 4 Day 1 Day 2 Day 3 D4 Day 5 Day 6 Day 7 D8 1 2 3 4 5 6 7 8 9 P1 10 11 12 13 14 15 P2 B. Think about your Learning Now that you’ve completed the lesson, take a few minutes to reflect on the quality of your work and the quality of your effort. What helps you remember? Describe the process. FAQs Normally the first teeth to emerge in the oral cavity are the deciduous Is it possible to have teeth already mandibular incisors at an average age of 6 months post natal. However there erupted at birth? are cases when these teeth are already erupted at birth. These teeth then called noenatal teeth. Third molars ideally erupt as early as 5 years after the eruption of the Why are third molars also called permanent second molars, which is at about 17 years old up tp 21 years old. wisdom teeth? By this age, a person is expected to become intellectually mature and wiser. If and when these molars fail to erupt, they are either impacted or congenitally missing. Permanent first molar and second molar are otherwise regarded as six-year Do permanent first and second molar or sixes and twelve-year molar, respectively. This is apparently molars have another name too? based on their ideal age of emergence in the oral cavity. This document is the property of PHINMA EDUCATION  DEN 017: Oral Anatomy Student Activity Sheet #5 Name:_____________________________________________________________ Class number: _______ Section:____________Schedule:_______________________________________ Date: ______________ KEY TO CORRECTIONS Activity 3 Activity 5 6 years. Mixed dentition starts when the first The mixed dentition will commence at about what permanent teeth erupt into the oral cavity, which age? are the first molars 12 years old, when the deciduous maxillary The exfoliation of the last deciduous tooth will canine and deciduous second molars exfoliate signify the end of mixed dentition which is usually and replace by permanent maxillary canine and at an average age of _____. second premolars, respectively. Normally, how many teeth are erupted when a 24: 20 deciduous teeth + 4 permanent first molars child is 6 years old? erupted distal to the deciduous second molars 2-3 years. Example, permanent mandibular first In the permanent dentition, how many years will molar erupts at about 6-7 years old, thus root will the root be completed after its eruption? be completed at about 9-10 years When is the first evidence of enamel hardening in 13-16 weeks or at an average age of 14 weeks in the deciduous dentition? utero. 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