Universal (Tofflemire) matrix system (2) application & removal overview - Arabic عربي

Universal (Tofflemire) matrix band & wedge application & removal overview

- To learn about Universal (Tofflemire) matrix system (1) matrix band & wedge application & removal, watch the video:    • Видео  

- To learn about class II composite restoration using the slanting/oblique incremental technique (#16), watch the video:    • Class II composite restoration (1) – ...  

- To learn about class II composite restoration using the horizontal incremental technique (#26), watch the video:    • Class II composite restoration (2) – ...  

- To learn about class II amalgam restoration on a mandibular molar (#36), watch the video:    • Class II amalgam restoration – Mandib...  

- To learn how to critique amalgam & composite restorations, watch the video:
   • How to critique a restoration? Amalga...  


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--- Contents of this video ---

00:00 – Introduction
00:14 – Title: Universal (Tofflemire) matrix system application and removal overview & common mistakes
00:22 – Universal (Tofflemire) matrix system application and removal
00:41 – Tools
00:44 – Tofflemire retainer
00:47 – Tofflemire matrix band
00:57 – Wedge
01:01 – System components: 1. Tofflemire retainer, 2. Tofflemire matrix band, 3. Wedge
01:13 – Tweezer/forceps
01:16 – Dental explorer
01:18 – Scissors
01:19 – Ball burnisher
01:23 – Tofflemire retainer parts
01:28 – Tofflemire retainer parts: 1. Outer knob / Set screw / Small knurled nut
01:33 – Tofflemire retainer parts: 2. Inner knob / Rotating Spindle / Large knurled nut
01:41 – Tofflemire retainer parts: 3. Spindle / Pointed spindle / Spindle pin / Pin/ Screw
01:46 – Tofflemire retainer parts: 4. Box / Vice / Locking vise / Slide
01:51 – Tofflemire retainer parts: 5. Head
01:44 – Tofflemire retainer parts: 6. Slot / Guide channel
02:05 – Assembly
02:08 – Assembly: 1. Place the box/vise at zero position
02:29 – Assembly: 2. Screw / pointed spindle should be released from the box slot
02:43 – Assembly: 3. Fold the matrix band to form a loop to identify the area to burnish
02:49 – Assembly: 4. Burnishing of the matrix band
03:14 – Assembly: 5. Fold the matrix band to form a loop
03:53 – Assembly: 6. Insert the matrix band in the slot
04:07 – Assembly: 7. Place the matrix band loop in the correct slot /guide channel (center, Rt, Lt) depending on the tooth location
04:41 – Assembly: 8. Turn the outer knob clockwise to tighten the spindle against the matrix band in the box
04:56 – Assembly: Inner knob: tightens the matrix band around the tooth
05:34 – Application
05:38 – Application: 1. Slot is always directed toward the gingiva
05:40 – Application: 2. Narrow edge of the matrix band is always directed toward the gingiva
05:43 – Application: 3. Retainer is placed in the buccal vestibule
05:48 – Application: 4. Make sure the retainer is tight
05:54 – Application: 5. Place the matrix band and retainer assembly on the tooth
06:09 – Application: 6. Make sure the matrix band is extended properly gingivally and occlusally
06:29 – Application: 7. Center the retainer head against the buccal surface
06:41 – Application: 8. Tighten the matrix band around the tooth
06:55 – Application: 9. Insert the wedge
07:49 – Application: 10. Check the retainer is secure
07:54 – Application: 11. Check there is no gap gingivally
08:13 – Application: 12. Make sure the matrix band is extended properly
08:32 – MOD matrix band application
09:15 – MOD matrix band modification
11:03 – Removal
11:06 – Removal: 1. Remove the wedge
11:10 – Removal: 2. Hold the matrix band occlusally at the marginal ridge area
11:16 – Removal: 3. Loosen the outer and inner knob
11:21 – Removal: 4. Remove the Tofflemire Retainer
11:24 – Removal: 5. Hold the matrix band occlusally at the marginal ridge area
11:31 – Removal: 6. Remove the matrix band from the opposite side
11:36 – Removal: 7. Remove the matrix band Diagonally in an occlusobuccal direction

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