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PIERCE COLLEGE                                    SHEILA NORTON RDH
DENTAL HYGIENE                                    I...
3.   Compare and contrast the different types of impression
     materials used in dentistry.

4.   Have a working knowled...
*      Trimming study models


Date             Unit             Topic                            Pre-re...
pouring next week

Date          Unit              Topic                            Pre-reading

Unit One Objectives: (Intro to dental assisting and four handed dentistry)

1.1   Explain the concept o...
3.2   Describe the different classifications of dental impression
3.3   Describe the properties, manipula...
Unit Eight Objectives: (Gypsum materials)

8.1    Describe the che...
Unit Twelve Objectives: (Properties of dental materials)

  12.1 Define: percolation, thermal conductivity, sorption, abso...
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  1. 1. PIERCE COLLEGE SHEILA NORTON RDH BS DENTAL HYGIENE INSTRUCTOR DH 107 INTRODUCTION TO RESTORATIVE DENTISTRY I SYLLABUS Course Description: Study and demonstrate dental assisting skills and duties. Understand the basic physical and mechanical properties of dental materials. COURSE FORMAT: Credits = 2 Lecture = 1 hour Lab = 2 hours CLASS TIME AND INSTRUCTORS: Lecture: 1-1:50 Sheila Norton RDH BS Lab: 2-4pm Sheila Norton RDH BS and Debbie Almario RDH BS PA lab: Monday’s 3-5 Wendy Walsh DDS INSTRUCTIONAL TEXTS REQUIRED TEXTS 1Clinical Aspects of Dental Materials by Gladwin – Bagby (CADM) 2The Dental Assistant by Anderson, Pendleton, 7th Edition (DA) 3Dental Hygieneby Mosby 4Course Handouts OPTIONAL TEXT 1Dental Instruments: A Pocket Guide by Linda R. Bartolomucci Boyd COURSE OBJECTIVES During and upon successful completion of these courses, the student should be able to and will be expected to: 1. Describe basic dental assisting skills as it applies to four-handed dentistry. 2. Maintain a clear operating field for intraoral work using high speed evacuation and retraction.
  2. 2. 3. Compare and contrast the different types of impression materials used in dentistry. 4. Have a working knowledge of mixing and taking an alginate impression intra orally. 5. Identify and discuss the various properties of alginate impression materials. 6. Identify and discuss the properties and types of gypsum products. 7. Demonstrate a working knowledge of a model trimmer and its attachments. 8. Describe and demonstrate the procedures for taking an alginate impression, pouring it in plaster, trimming, finishing and evaluating a presentable study model. 9. Discuss the various properties of dental materials and their relationships to dentistry. COURSE REQUIREMENTS, EVALUATION AND GRADING: A. Course Evaluation Requirements DATE DUE Midterm Exam October 26th Completed Study Casts Dec 7th Final Written Exam Dec 7th 1:00 Lab activities checklist Dec 7th 1:00 B. Course Evaluation Point Distribution: Attendance and partisipation 10% Lab and Clinic maitanance 10% Midterm Exam 20% Lab Activities 15% Study Casts 15% Final Exam 30% C. Required Lab Activities The following is a list of practice activities and observations to be completed by the student. Additional practice activities may be assigned in class. * Operator, Assistant, and Patient positions * Instrument transfer * Maintain operating field, oral evacuation * Manipulation of impression materials * Taking alginate impressions and bite registrations * Pouring alginate impressions
  3. 3. * Trimming study models COURSE SCHEDULE Date Unit Topic Pre-reading assignment September 21 Unit 1-lecture *Intro DH 107 DA 273-290 *Introduction to dental Mosby DH 115-127 assisting and four handed dentistry Pierce 9/21 Lab *Check out “restorative mini kit” PA labs * Add mirror, explorer, Monday’s locking cotton pliers 9/24 *prepare kit for sterilization September 28 Unit 2 lecture *Maintaining an operating DA 291-300 field 9/28 Lab *Demo by instructors PA 10/1 *four handed dentistry practice activity (work in groups of 4) October 5 Unit 3 lecture *Classification of prosthetic DA 361-383 dental materials CADM 109-126, 271-273 & 339-342 10/5 Lab *Identification and mixing PA 10/15 various dental materials October 12 NO SCHOOL October 19 Unit 4 lecture *Alginate impression material DA 349-364 Unit 5 lecture *Taking alginate impressions CADM 309-316 10/19 Lab *Mix and take alginate PA 10/22 impression on dentoform October 26th Unit 6 lecture *Disinfecting of impressions DA 372 & 360 Unit 7 lecture *taking a bite registration handbook *MIDTERM following lecture 10/26 Lab *Taking alginate impressions and bite registration on PA 1 student partner 10/29 *Disinfect and store for
  4. 4. pouring next week Date Unit Topic Pre-reading assignment November 2 Unit 8 lecture *Gypsum materials DA 392-406 Unit 9 lecture *Pouring alginate CADM 127-136 impressions 317-322 11/2 Lab *pouring demo *taking impressions as PA 11/5 needed *Pour alginate impressions *lab classroom set with pouring stations November 9 Unit 10 lecture *Trimming and finishing Module study casts DA 401-406 Unit 11 lecture *Use of the model trimmer CADM 323-329 & 255 (D) 11/9 Lab *Trimming demo PA 11/19 *begin trimming study casts (no school **sign-up sheet 10 minutes 11/12) each November 16 Unit 12 lecture *Properties of Dental CADM 33-45 Materials 11/16 Lab Trimming demo PA 11/26 Trimming study casts Nov 23 NO SCHOOL November 30 Unit 12 cont. Student Presentations of CADM 33-45 Properties of Dental Materials Supplemental texts and references 11/30 Lab Trimming and finishing PA 12/3 as models needed December 7 *FINAL EXAM *Turn in study casts with self assesment *Turn in lab activites sheet
  5. 5. COURSE OBJECTIVES Unit One Objectives: (Intro to dental assisting and four handed dentistry) 1.1 Explain the concept of the dental team and its relation to dental care 1.2 Describe the principles of Four-handed and Six-handed dentistry. 1.3 Relate the five classifications of motion to the principle of Four-handed dentistry. 1.4 Demonstrate how to properly adjust the operator’s, assistant’s, and patient’s chair for optimum usage and comfort. 1.5 Describe and utilize the four zones of activity for either a right handed or left handed operator. 1.6 Demonstrate an understanding of tray set-ups. 1.7 Describe the advantages and disadvantages of pre-set trays. 1.8 Define tray maps and explain their usage. 1.9 Explain what is meant by a color coding system. Unit Two Objectives: (Maintaining an operating field) 2.1 Define, Spell, and use the terminology associated with this topic. 2.2 Describe and demonstrate the considerations and methods for effective tissue retraction. 2.3 Describe and demonstrate the considerations and uses of the air- water syringe. 2.4 Demonstrate the correct grasps for the HVE. 2.5 Describe and demonstrate correct positioning and patient considerations when utilizing the HVE. 2.6 Describe and demonstrate appropriate placement and uses for the saliva ejector. 2.7 Describe the general criteria used to initiate instrument transfer. 2.8 Demonstrate the two most common methods of instrument transfer and explain situations where each could be used. 2.9 Describe and demonstrate the sequence of an instrument exchange. Unit Three Objectives: (Classification of prosthetic dental materials) 3.1 Define, spell and use the terminology associated with dental impression materials.
  6. 6. 3.2 Describe the different classifications of dental impression materials. 3.3 Describe the properties, manipulation, advantages, and disadvantages of reversible hydrocolloid. 3.4 Identify the rigid impression materials used in dentistry and when they are used. 3.5 Recognize the different types of elastomeric polymer impression materials. 3.6 Discuss the composition, advantages and disadvantages for the use of the following dental impression materials: polysulfide, silicon condensation type, silicon addition type, and polyether. Unit Four Objectives: (Alginate impression material) 4.1 List the uses and contraindications of alginate impression materials. 4.2 Define irreversible hydrocolloid and describe the chemical action. 4.3 Define gelation time and explain how it can be adjusted. 4.4 Explain how the gel strength is affected by the mixing and setting time. 4.5 List four properties of sols and gels. 4.6 Define dehydration, syneresis, and hysteresis. Unit Five Objectives: (Taking alginate Impressions) 5.1 Identify ways to prepare your patient for alginate impressions. 5.2 Describe how to identify the proper tray and prepare the tray for taking an impression. 5.3 Describe and demonstrate the manipulation of alginate materials. 5.4 Identify operator errors that affect setting time of alginate materials. _______________________________________________________ Unit Six Objectives: (Disinfecting impressions) 6.1 Identify the materials that can be immersed for disinfecting. 6.2 Identify the materials that can not be immersed for disinfection and discribe the appropriate method. 6.3 List the appropriate solutions for disinfection. _______________________________________________________ Unit Seven Objectives: (Taking bite registrations) 7.1 Identify materials used for bite registrations. 7.2 Indicate when a bite registration should be taken. 7.3 Explain why a bite registration may be needed.
  7. 7. _______________________________________________________ Unit Eight Objectives: (Gypsum materials) 8.1 Describe the chemistry of producing plaster and stone powder. 8.2 Explain the similarities and differences between plaster, stone, and improved die stone. 8.3 Discuss the water/powder ratios for mixing plaster, stone, and improved stone and the properties affected by this ratio. 8.4 Define setting time and know the factors which control setting time. Describe the crystal formation. 8.5 Identify the conditions which influence setting expansion and understand why it is important to limit expansion. 8.6 Know the difference between dry and wet strength and the factors which affect the strength of the gypsum product. 8.7 Discuss the various gypsum products used in dentistry. Unit Nine Objectives: (Pouing alginate impressions with gypsum) 9.1 Explain how to pour the occlusal portion of the models. 9.2 Discuss the different methods for pouring the base 9.3 Describe the difference in the consistancy of the gypsum used for the occlusal portion of the model and the base. 9.4 Demonstrate the use of the vibrator for elimination of air bubbles. _______________________________________________________ Unit Ten Objectives: ( Trimming and finishing study models) 10.1 Describe the reasons for trimming and finishing study models. 10.2 Describe the methods for measuring and trimming maxillary and mandibular models. 10.3 Accurately trim maxillary and mandibular study models. 10.4 Evaluate trimmed models for accuracy and esthetics. 10.5 Describe the procedures for finishing and polishing study models. 10.6 Evaluate study models to determine if any errors have been made. ______________________________________________________ _ Unit Eleven Objectives: (Use of the model trimmer) 11.1 Describe the use of the model trimmer including safety concerns. 11.2 Identify the hazards for using a model trimmer. 11.3 Discuss the process for starting the model trimmer. 11.4 Explain how to clean the model trimmer. 11.5 Differenciate between the two blades of the model trimmer. _______________________________________________________
  8. 8. Unit Twelve Objectives: (Properties of dental materials) 12.1 Define: percolation, thermal conductivity, sorption, absorption, adsorption, surface tension, ductility, toughness, resilience. 12.2 Explain how the knowledge of the science of dental materials will influence your responsibilities as a dental hygienist. 12.3 Discuss factors which alter the behavior of dental materials in the oral cavity. 12.4 Discuss stress and strain and the relationship of each of the following: elastic modulus, proportional limit, yield strength, and ultimate strength. Sep-07