1. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Restorative Materials, Dental Dam, Matrix, and Wedge Chapter 34

2. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Amalgam Restorative Materials Composition Types of dental amalgam Mercury Forms of dental alloy Properties © Cengage Learning 2013

3. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Amalgam Restorative Materials Manipulation –Trituration –Amalgamation –Amalgamators or triturators Amalgam bonding Complete amalgam procedure © Cengage Learning 2013

4. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Composite Restorative Materials Composition Properties of composites Manipulation considerations Modifications

5. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Glass Ionomer Restorations Used as aesthetic restoration Not suitable for areas that require strength or where aesthetics are critical Resin ionomers

6. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Compomers Mostly used on Class III and V on permanent teeth and all types of restorations on primary teeth

7. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Dental Check For what are packable composites most likely used? –Posterior areas for core buildups and places requiring a resistant, strong restoration

8. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Dental Dam Advantages: –Isolation of teeth for restoration procedures –Greater visibility and accessibility –Moisture control –Protective barrier –Decreased aerosol exposure

9. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Dental Dam Contraindications: –Physical condition of patient –Concerns of patient –Condition of oral cavity

10. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Dental Dam Materials and Equipment Dental dam material Dental dam napkin Dental floss and tape © Cengage Learning 2013

11. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Dental Dam Materials and Equipment Dental dam clamps Forceps Frame Punching guide Punch © Cengage Learning 2013

12. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Preparation Before Placement of the Dental Dam Educating patient Determining area to be isolated Dividing dental dam Punching dental dam

13. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Common Errors Matching arch curve to patient Cleaning and properly operating punch table Hole spacing

14. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Placement and Removal Procedures for the Dental Dam Many techniques for placement Through practice, operator will find what works best Dental assistant will either assist dentist with placement or place it themselves –Depends on state legality

15. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Correctly Placed Dental Dam © Cengage Learning 2013

16. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Dental Dam for the Child Patient Basic technique is same for both child and adult Parts of dental dam and procedure should be explained using terminology appropriate to maturity of child

17. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Dental Dam for the Child Patient Child should be taught how to swallow and breathe with dental dam in place © Cengage Learning 2013

18. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Alternatives for Full Dental Dam Placement Quickdam –Oval piece of dental dam that has border of flexible plastic

19. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Wedges Hold matrix band securely –Prevents excess filling material from escaping between tooth and band Different sizes –Natural, clear, or colored Only used when preparation includes proximal surface(s)

20. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Tofflemire Matrix Most common matrix used for amalgam restorations Diagonal slot Guide channels Frame Inner knob Vise Spindle Outer knob © Cengage Learning 2013

21. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Plastic Strip Matrix Thin, transparent strip matrix –Used with composite, glass ionomer, or compomer restorative materials on anterior teeth

22. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Sectional Matrix Systems Used most often on Class II restorations to restore anatomical contacts

23. ©2013 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part. Dental Check Which type of matrix is most commonly used for amalgam restorations? –Tofflemire matrix