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									Metropolitan Community College
    DENTAL MATERIALS I
        Winter 2012/13

         Mrs. Cronick
                     Metropolitan Community College

                           Class Syllabus – 2012/13 Winter

CLASS IDENTIFICATION

TITLE:                       Dental Materials
PREFIX/SECTION:              DENT 1200 7A & 7B & 7C
CREDIT HOURS:                5.5 (4hrs lecture & 4.5 hrs lab)
CLASS BEGINS/ENDS:           11/28/12 / Feb 26, 2013
MEETING DAY(S)/TIMES:        Lecture M&W 12:30-2:10 pm
                              Lab A M&W 8:40-10:45 am
                              Lab B T&Th 8:40-10:45 am
                              Lab C M&W 2:15-4:20 am
NO CLASS DAYS:               www.mccneb.edu/schedule.
WITHDRAWAL DATE:             2/14/11
CLASS LOCATION:              SOC, MHY 524
LAB LOCATION:                SOC, MHY 525

CONTACT INFORMATION

INSTRUCTOR NAME:             Cindy Cronick
OFFICE LOCATION:             SOC MHY 517
OFFICE TELEPHONE:            402 738 4676
FACSIMILE:                    401 738 4554
OFFICE HOURS:                M& W 11am-12:30pm T &Th 11am-1:30pm
EMAIL ADDRESS:                ccronick@mccneb.edu
FACULTY WEB SITE:            http://faculty.mccneb.edu/ccronick/
ACADEMIC AREA:               Health
DEAN’S TELEPHONE:            Dr. Stacey Ocander 402 738-4788

COURSE INFORMATION

Course Description: This course is designed to give the students information on
the composition and manipulation of materials used in restorative dentistry, such
as cements, amalgam, composites, glass ionomers, synthetic resins, temporary
restorations, and metals. Other materials such as waxes, impression materials
and gypsums are covered. The students will also polish appliances, fabricate custom
trays, bleaching trays ,mouth guards and temporary crowns and bridges.

Course Prerequisites:
Successful completion of all 1st quarter DENT classes
Course Objectives:
1. Describe the various types of dental cements/ dressings and demonstrate
mixing/ placement and removal techniques.
2. Describe the components and preparation techniques of dental amalgam.
3. Describe the components and preparation techniques of composite and glass
ionomer.
4. Describe and demonstrate the manipulation of gypsum products.
5. Describe and demonstrate the manipulation of alginate impression materials.
6. Demonstrate the preparation and cementation of an acrylic temporary
(provisional) and a preformed aluminum Temporary restoration.
7. Discuss and demonstrate the manipulation of final impression materials.
8. Describe and demonstrate the process of obtaining study models.
9. Explain and demonstrate the trimming and articulating of study casts.
10.Describe and demonstrate the process of making mouth guards and
bleaching trays.
11.Discuss and demonstrate polishing acrylic resin appliances.
12. Discuss waxes and metals used in dentistry.

Required & Supplemental Materials:
       1.      Textbooks:  Delmar’s Dental Assisting – A Comprehensive
                          Approach -Current Edition – Phinney/Halstead – Delmar
       2.      3 Ring Notebook and paper.
       3.      Supplemental materials will be handed out in class.

SOFTWARE/FILE SUBMISSION REQUIREMENTS:
Metropolitan Community College uses Microsoft products as part of its standard software
and encourages students to do the same. You may save word-processed documents for
file attachments in Microsoft Word .doc or .docx format. If your software does not allow
either of these, then save files in Rich Text Format (.rtf).

CLASS STRUCTURE:
The major activities and work patterns that will occur during this class includes; lectures,
guest speakers, discussions, readings, field trips, lab demonstration and lab project.

ASSESSMENT OF STUDENT WORK
TYPES OF ASSESSMENTS/ASSIGNMENTS:

For each of the units in the course, the instructor will provide the student with a list of
specific objectives, which will detail what the student needs to “learn” and accomplish.
In addition, written handouts will be provided with some units – these will be used to
supplement the text material.
Student will be required to read all text and supplemental materials prior to class
attendance. Students are expected to participate in class, take adequate notes,
complete assignments and take unit quizzes and exams.
The student is totally and completely responsible for all material covered in class.
There will be assignments, quizzes, a comprehensive final exam, 22 required lab projects,
and a lab practical. Passing Criteria for Lab projects and practical: A minimum of 85% is required.
Score will be determined by dividing points earned by total points possible and multiplying the results by
100. If you do not pass on the first attempt, you must retake at the next laboratory session. You are allowed
only one (1) retake. The grades from both attempts will be averaged and you will receive the averaged
grade up to the minimum grade required to pass. If you do not pass the retake, you will not pass the course.
A local dental lab will be toured. If you do not attend the lab tour, a written paper
on a dental lab is required. Students must have an average of 70% or above on the
average of all the unit quizzes.
GRADING POLICY:
The grading system utilized will be as follows:
              A        -      100%-93%
              B        -       92%-84%
              C        -       83%-75%
              D        -       74%-70%
              F        -      Below 70%
The student must obtain a 75% or better average for Dental Materials in order to pass
the course. The following breakdown of the course requirements will be utilized for
determination of the student’s final grade for the course:
              Unit Quizzes                                                       25%
              Lab Projects                                                       25%
              Final Written Exam                                                 25%
               Lab Practical Exam                                                 25%

        COURSE OBJECTIVES                                    ASSESSMENT MEASURES
1. Describe the various types of dental               1. * Written unit Quiz
cements and demonstrate mixing                           * Lab competency evaluations
techniques.                                              * Portion of written comprehensive
                                                      examination
2. Describe the components and                        2. * Written unit Quiz
preparation techniques of dental                         * Lab competency evaluations
amalgam.                                                 * Portion of written comprehensive
                                                      examination
3. Describe the components and                        3. * Written Quiz
preparation techniques of composite                      * Lab competency evaluations
resins and glass ionomers.                               * Portion of written comprehensive
                                                      examination
4. Describe and demonstrate the                       4. * Written unit Quiz
manipulation of gypsum products.                         * Lab competency evaluations
                                                         * Portion of written comprehensive
                                                      examination
5. Describe and demonstrate the                       5. * Written unit Quiz
manipulation of alginate impression                      * Lab competency evaluations
materials.                                               * Portion of written comprehensive
                                                      examination
6. Demonstrate the preparation of an                  6. * Lab competency evaluations
acrylic & aluminum temporary                             * Portion of written comprehensive
(provisional) restoration.                            examination
7. Fabricate a custom tray                            7. * Written unit Quiz
                                                         * Lab competency evaluations
                                                    * Portion on Final Exam

8. Discuss and demonstrate the                8.
manipulation of final impression                       Demonstration evaluation
materials.                                             Written unit quiz
                                                       Portion of written final exam
9.. Explain and demonstrate the               9.
trimming and articulating of study casts.              Demonstration evaluation
                                                       Completion of lab project
                                                       Portion of written unit quiz
                                                       Portion of written final exam
10. Describe and demonstrate the              10.
process of making mouth guards and                     Demonstration evaluation
bleaching trays.                                       Completion of lab project
                                                       Written unit quiz
                                                       Portion of written final exam
11. Discuss and demonstrate polishing         11.
acrylic resin appliances.                        Demonstration evaluation
                                                 Completion of lab project
                                                 Written unit quiz
                                                 Portion of written final exam
12. Discuss metals and waxes used in            12. Written unit quiz
dentistry.                                       Portion of written final exam
All lab projects are randomly assessed during the lab practical.


ASSESSMENT OF STUDENT LEARNING PROGRAM:
Metropolitan Community College is committed to continuous improvement of teaching
and learning. You may be asked to help us to accomplish this objective. For example, you
may be asked to respond to surveys or questionnaires. In other cases, tests or assignments
you are required to do for this course may be shared with faculty and used for assessment
purposes.

USE OF STUDENT WORK:
By enrolling in classes offered by Metropolitan Community College, the student gives
the College license to mark on, modify, and retain the work as may be required by the
process of instruction, as described in the course syllabus. The institution shall not have
the right to use the work in any other manner without the written consent of the
student(s).

INSTRUCTOR’S EXPECTATIONS OF STUDENTS

ATTENDANCE/PARTICIPATION POLICY:
Attendance in all classroom and laboratory courses, as well as clinical, is an important
part of the curriculum. Material covered in class and demonstrations by the instructor
are often not covered by the textbooks.
Grade point average (GPA) and attendance are directly related. The student who has
an attendance problem is also having academic problems, and unless the attendance
problem is resolved, the student will fail in the program.

Absences will include those for illness, mental health, court appearances, dental or
medical appointments, funerals, transportation and any other reason that causes the
student to be gone. In the occurrence of an absence, the student shall demonstrate
responsibility to inform the instructors in the DEA Program prior to the first class of the
day. (Metro telephone number is 738-4006. This phone is in the faculty office. When
you call, be sure to identify yourself as a Dental Assisting student, and leave a
message.) In addition, it is advised that you leave a message on voicemail for each
instructor telling them that you will not be in class.

Absences in EXCESS OF TWO (2) PER QUARTER in each laboratory class may result
in withdrawal from the course or receiving an “F” for the final grade.

Other ways that a student can be classified as absent are missing 25% or more of the
lab time. This includes coming in late, leaving during lab, leaving before the end of lab
or a combination thereof.

MAKE-UP TEST PROCEDURES:
If you miss a class where a quiz/exam was given, you must contact the instructor prior
to class, or a “0” will be issued for any quizzes or tests that day. Students who are
absent for any reason must take the quiz/exam on the next day, if possible, or at least
within 3 days of that date. This quiz/exam may be different from the one given in class.
Each laboratory exercise and competency evaluation will have a set percentage/grade
that you must meet in order to pass that evaluation. If you do not pass on the first
attempt, you must retake it again during the next class session, or make arrangements
with the instructor to take it outside of class time. You are allowed only one (1) retake
for each evaluation. The grades from both attempts will be averaged and you will
receive the averaged grade up to the minimum grade required to pass. Failure to retake
the evaluation, or failure of the second attempt will result in failure of the course. ALL
ASSIGNMENTS AND PROJECTS MUST BE COMPLETED.

LATE ASSIGNMENTS:
Students will be responsible to complete all assignments given. All assignments that are
turned in late will be penalized five points for each school day that it is late.

COMMUNICATION EXPECTATIONS:
When you communicate with others in this course, you must follow the Student Code of
Conduct (http://www.mccneb.edu/catalog/studentinformation.asp), which calls for
responsible and cooperative behavior. Please think critically, ask questions, and challenge
ideas, but also show respect for the opinions of others, respond to them politely, and
maintain the confidentiality of thoughts expressed in the class. You may also wish to
review information at http://www.albion.com/netiquette/.html.
RECORDING IN THE CLASSROOM:
Students may not video or audio record class sessions without the instructor’s knowledge
and permission. If recording of class sessions is authorized as a reasonable
accommodation under Americans with Disabilities Act (ADA), the instructor must have
the appropriate documentation from College Disability Support Services. Permitted
recordings are to be used only for the individual student’s educational review of the class
session and may not be reproduced, posted, sold or distributed to others. Students who
violate this policy are subject to disciplinary procedures as outlined in the Student
Conduct Code.

ACADEMIC HONESTY STATEMENT:
Students are reminded that materials they use as sources for classwork may be subject to
copyright protection. Additional information about copyright is provided on the library
website at http://www.mccneb.edu/library or by your instructor. In response to incidents
of student dishonesty (cheating, plagiarism, etc.), the College imposes specific actions
that may include receiving a failing grade on a test, failure in the course, suspension from
the College, or dismissal from the College. Disciplinary procedures are available in the
Advising/Counseling Centers or at http://www.mccneb.edu/procedures/V-
4_Student_Conduct_and_Discipline.pdf.

STUDENT WITHDRAWAL:
If you cannot participate in and complete this course, you should officially withdraw
through WebAdvisor at http://webadvisor.mccneb.edu or by calling Central Registration
at 402-457-5231 or 1-800-228-9553. Failure to officially withdraw will result in either an
attendance-related failure (FX) or failing (F) grade. The last date to withdraw is noted in
the CLASS IDENTIFICATION section of this syllabus.


LEARNING SUPPORT

MCC's Academic Resource Centers, Math Centers, and Writing Centers offer friendly,
supportive learning environments that can help students achieve educational success.
Staff members in these centers provide free drop-in assistance with basic computing,
reading, math, and writing skills. Self-paced, computer-assisted instructional support in
reading, vocabulary, typing, English as a Second Language, and online course orientation
is also available.

Detailed information about the Academic Resource, Math, and Writing Centers is in the
Student Handbook, College Catalog, and online at http://www.mccneb.edu/arc/.

ACCOMMODATIONS FOR STUDENTS WITH DISABILITIES:
Metropolitan Community College will provide reasonable accommodations for persons
with documented qualifying disabilities. It is the student’s responsibility to request
accommodations from Disability Support Services (DSS) located in each Student
Services Office. After students have arranged for accommodations with DSS, the student
and instructor should privately discuss these accommodations. For further information,
please contact DSS or visit http://www.mccneb.edu/dss/

TECHNOLOGY SUPPORT
For assistance with student email, passwords, and most other MCC technology, contact
the Help Desk at 457-2900 or mcchelpdesk@mccneb.edu.



TECHNOLOGY RESOURCES:
By using the information technology systems at MCC (including the computer systems
and phones), you acknowledge and consent to the conditions of use as set forth in the
Metropolitan Community College Procedures Memorandum on Acceptable Use of
Information Technology and Resources. It is your responsibility as a student to be
familiar with these procedures. The full text of the Procedures Memorandum may be
found at the following website: http://www.mccneb.edu/procedures/X-
15_Technology_Resources_Use.pdf.

IMPORTANT DATES www.mccneb.edu/sos/enrollman.asp.

ACADEMIC CALENDAR: http://www.mccneb.edu/academics/calendar.asp
SCHEDULE OF ASSIGNMENTS
 NOTICE: This syllabus sets forth a tentative schedule of class topics, learning activities, and
expected learning outcomes. However, the instructor reserves the right to modify this schedule to
enhance learning for students. Any modifications will not substantially change the intent or
objectives of this course and will conform to the policies and guidelines of MCC.
Lecture: M&W 12:30-2:10pm                         90 minutes each
Class #                   date                     activity                  Test
1.                        11-28                    L 1 Properties
                                                   &Cement (ZOE,
                                                   IRM, phosphate)
2.                        12-3                     Cement ( GI,
                                                   Carbox, CaOH, varn
3.                        12-5                     Cement review
4.                        12-10                    L 2 Amalgam               Cements
5.                        12-12                    Composite & GI            amalgam
6.                        12-17                    Restoration review        Composite/GI
7.                        12-19                    L3 Gypsum                 restorations
8.                        1-7                      Alginate                  gypsum
                          1-9                      GONE TO ADA **
9.                        1-14                      L 4 Temporary            alginate
                                                   C&B
10.                       1-16                     Custom Tray               temporary
                          1-21                     OFF MLK **
11.                       1-23                     L 5 Elastomerics
12.                       1-28                     Hydrocolloid &
                                                   review
13.                       1-30                     L 6 Study models,         Final impressions
                                                   & articulate
14.                       2-4                      L 7 Bleaching &           Study models
                                                   mouthguards
15.                       2-6                      L 8 Polish acrylic,       Bleach/mouthguard
                                                   Wax & metal
16.                       2-11                     Lab Tour
17.                       2-13                     Extra lab                 Wax, denture
                                                                             polish, metals
18.                       2-18                     Review for Final
19                        2-20                                               FINAL EXAM
20.                       2-25                     Return final
                                                  Clean lab
TOPICAL UNIT OUTLINE
Unit 1    Dental Cements and Dressings
Unit 2    Permanent Restorative Materials
Unit 3    Alginate and Gypsum
Unit 4    Synthetic Resins ( temporary C&B)
Unit 5     Final Impression materials
Unit 6     Trimming and articulating models
Unit 7     Bleaching and mouthguards
Unit 8     Acrylic polishing, waxes and metals
Materials Laboratory: Lab A M&W 8:40-10:45 Lab C 2:15-4:20
Lab #                  Date A&C          Activity
1.                     11/28             Mix cements/pour mold
2.                     12/ 3             Mix cements/mold
3.                     12/ 5             Mix cements& mold/ alginate
4.                     12/ 10            Amalgam, composite & GI
5.                     12/ 12            Alginate pour
6.                     12/ 17            Alginate pour & bite
7.                     12/19             Temp alum
8.                     1/ 7              Cust temporaries
                       1/9               Gone to CODA****
9.                     1/ 14             Dent polish
10                     1/ 16             Custom tray
                       1/21              Off MLK***
11.                    1/ 23             Elastomerics- perm
12.                    1/ 28             Elastomerics- pvs
13.                    1/30              Bleach tray
14.                    2/4               mouthguard
15.                    2/6               Complete projects
16.                    2/ 11             “
17.                    2/ 13             “
18.                    2/ 18             “
19.                    2/ 20             “
20.                    2/ 25             Complete projects & Practical


                  The above schedules are subject to change as needed.
Lab B T&TH 8:40-10:45
Lab #               Date B                  Activity
1.                  11/29                   Mix cements/pour mold
2.                  12/ 4                   Mix cements/mold
3.                  12/ 6                   Mix cements& mold/ alginate
4.                  12/ 11                  Amalgam, composite & GI
                    12/13                   GONE TO ADA CODA***
5.                  12/ 18                  Alginate pour
6.                  12/ 20                  Alginate pour & bite
                    1/8                     GONE TO ADA CODA
7.                  1/0                     Temp alum
8.                  1/ 15                   Cust temporaries
9.                  1/ 17                   Dent polish
10                  1/ 22                   Custom tray
11.                 1/ 24                   Elastomerics- perm
12.                 1/ 29                   Elastomerics- pvs
13.                 1/31                    Bleach tray
14.                 2/5                     mouthguard
15.                 2/7                     Complete projects
16.                 2/ 12                   “
17.                 2/ 14                   “
18.                 2/ 19                   “
19.                 2/ 21                   “
20.                 2/ 26                   Complete projects & Practical

                 The above schedules are subject to change as needed.
Unit 1        Dental Cements

Reading Assignment:
               1.     Phinney/Halstead - Dental Assisting
                      Pages 768-786 & 668-670 n=801-821 & 697-700
               2.     Class Notes
Upon completion of this unit, the student will be able to:
1. Explain the duties of the Council on Dental Materials, Instruments and
Equipment of the ADA.
2. Describe the physical properties of dental materials.
3. Identify the various types of luting and restorative dental cements, comparing
their properties, composition, uses and manipulation techniques.
4. Describe the advantages and disadvantages of the various dental cements.
5. Mix, place and remove a periodontal dressing.

Unit 2       Restorative Materials
Reading Assignment:
             1.     Phinney/Halstead - Dental Assisting
                    Pages 787-839 n=822-845
             2.     Class Notes

Upon completion of this unit, the student will be able to:
1. Describe the bonding agents and their manipulation.
2. Identify the types of direct restorative materials and where they are used.
3. Explain the composition of composite resins.
4. Explain the properties and manipulation of various composite restorations.
5. Identify the armamentarium and steps of a composite restoration.
6. Explain the use of glass ionomer/resin restorative materials.
7. Explain the properties, composition, and manipulation of dental amalgam.
8. Identify the armamentarium and steps of an amalgam procedure.


Unit 3       Alginate and Gypsum
Reading Assignment:
             1.     Phinney/Halstead - Dental Assisting
                    Pages 842-851 & 858-864 n=873-882 & 889-895
             2.     Class Notes

Upon completion of this unit, the student will be able to:
1. Demonstrate the knowledge and skills necessary to use gypsum products
such as laboratory or model plaster and laboratory stone.
2. Demonstrate the knowledge and skills needed to prepare, take and pour
alginate impressions.
3. Understand the chemistry of alginate and gypsum products.
Unit 4          Synthetic Resins
Reading Assignment:
                1.Phinney/Halstead - Dental Assisting, pages 870-887 n=905-925
                2.Class Notes
Upon completion of this unit, the student will be able to:
1. Demonstrate the knowledge and skills necessary to fabricate acrylic tray resin self-
curing and light-curing custom trays, vacuum-formed, and thermoplastic custom trays.
2. Demonstrate the knowledge and skills necessary to contour prefabricated temporary
crowns and to fabricate and fit custom temporary (provisional) restorations.
3. Cement a temporary restoration and remove excess cement.
4.describe the purpose and various materials for temporary crown fabrication.
5. Define the following terms: monomer, polymer, polymerization, self cure, light cure,
heat cure.

Unit 5       Final Impression Materials
      Reading Assignment:
             1. Phinney/Halstead - Dental Assisting, Pages 846-858 n= 882-889
             2.      Class Notes
Upon completion of this unit, the student will be able to:
      1.     Describe a reversible hydrocolloid.
      2.     List the advantages of reversible hydrocolloid.
      3.     Name the disadvantages of reversible hydrocolloid.
      4.     Explain how a reversible hydrocolloid is prepared for taking an
                     impression.
      5.     Describe the types of tray(s) used for reversible hydrocolloid.
      6.     Name the four (4) types of elastomeric impression material used in
                     dentistry.
      7.     Give the names for the two (2) types of pastes.
      8.     Name the four (4) forms of elastomeric material and explain how each
                     type is used in taking an impression.
      9.     Give four (4) precautions when using elastomeric material.
      10.    Explain how clean-up takes place for the following:
                     a.      Spatula                d.     Impression syringe
                     b.      Mixing pad             e.     Extruder gun
                     c.      Impression material tube
       11.   Describe the two-step impression technique.
       12.   Name the three (3) types of impression trays used for elastomeric
                     impressions.
       13.   Define bite registration.
       14.   Give three (3) methods of taking a bite registration.
        15. Demonstrate mixing and loading correctly an elastomeric impression
                     Material and take an impression on a typodont/tin head.
         16. Demonstrate mixing and taking a bite registration with an elastomeric,
                     Material and place on a tin head.
Unit 6 Study Models
  Reading Assignment:
              1.    Phinney/Halstead - Dental Assisting
                    Pages 865-868 n=895-904
               2.   Class notes
  Upon completion of this unit, the student will be able to:
              1.    Explain the steps in preparing the dental operatory for taking an
                    alginate impression(s) on a patient.
              2.    Prepare the dental patient for taking an alginate impression.
              3.    Review the method for preparing alginate and the tray for a
                    maxillary impression.
              4.    Review the method for preparing alginate and the tray for a
                    mandibular impression.
              5.    Discuss the different methods of pouring an alginate impression.
              6.    Describe the method of articulating study casts.


Unit 7          Mouth Guard and Bleaching Tray

Reading Assignment:
     1. Phinney/Halstead - Dental Assisting
         Pages 624 & 734-741 n=764-772 & 652-653
     2. Class Notes
Upon completion of this unit, the student will be able to:
     1. Give the function(s) for a mouth guard.
     2. List the different types of materials used for making a mouth guard.
     3. Describe the different ways of making a mouth guard to fit a dental patient.
     4. Name and describe the three (3) different bleaching techniques.
     5. Explain to a patient what happens when they have a tooth or teeth bleached.
     6. Describe how to make a bleaching tray for a dental patient.

Unit 8 Polishing and Repair of Acrylic Resins, Waxes, Metals

    Reading Assignment:
    1. Phinney/Halstead - Dental Assisting Pages 869-870 & 761-763
                                              N= 904 & 794-5
     2. Class notes
Upon completion of this unit, the student will be able to:
        1. Explain how to repair an acrylic resin appliance.
        2. Explain how to polish an acrylic appliance.
        3. Demonstrate how to polish an acrylic appliance.
        4. Identify the different classes and uses of wax in dentistry.
        5. Be familiar with a variety of metals used in dentistry.
        REQUIRED Lab Projects:
1. Mixing Zinc Oxide Eugenol Cement             _____________    _____
2. Mixing Zinc Phosphate Cement                 _____________    _____
3. Mixing Polycarboxylate Cement                _____________    _____
4. Mixing Glass Ionomer Cement                  _____________    _____
5. Mixing Calcium Hydroxide Cement              _____________    _____
 6. Using the Dental Amalgamator                _____________    _____
7. Rubber Mold Pour                              ____________    _____
8. Taking Alginate Impressions                  _____________    _____
9. Pouring Alginate Impressions with Plaster
             Invert                             ____________     _____
10. Use the Alginator                           ______________   _____
11. Pour Alginate Impression with Plaster/
             Boxed                              ____________     _____
12. Fabricate custom tray                      __________        _____
 13. Adapt Aluminum Crown, cement             _____________      _____
 14. Fabricate customy temporary               _____________     _____
 15. Mix, place and remove a perio dressing _____________        _____
16. Take elastomeric impression, articulated _____________       _____
                   (in triple tray)
 17. Take elastomeric impression, pour       _____________       _____
                    ( in custom tray)
 18. Fabricate bleaching tray                ____________        _____
19. Fabricate mouthguard                     ____________        _____
 20. Clean and polish a denture              ____________        _____
21. Wax Bite Registration                    _____________       _____
22. GI Restorative Material                 _______________      _____

								
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