Universal (Tofflemire) matrix system (1) matrix band & wedge application & removal - Arabic عربي

Universal (Tofflemire) matrix system (1) matrix band & wedge application & removal

- 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
00:23 – Universal (Tofflemire) matrix system application and removal
00:47 – Tofflemire retainer
00:49 – Tofflemire matrix band
00:51 – Wedge
00:52 – Tweezer / forceps
00:54 – Ball burnisher
00:56 – Dental explorer
00:58 – System components
01:07 – System components: 1. Tofflemire retainer
01:11 – System components: 2. Tofflemire matrix band
01:13 – System components: 3. Wedge
01:14 – System components: 1. Tofflemire retainer, 2. Tofflemire matrix band, 3. Wedge
01:22 – Tofflemire retainer parts
01:33 – Tofflemire retainer parts: 1. Outer knob / Set screw / Small knurled nut
01:36 – 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
01:49 – Tofflemire retainer parts: 5. Head
01:52 – Tofflemire retainer parts: 6. Slot / Guide channel
02:01 – Tofflemire retainer parts
02:05 – Tofflemire retainer parts: 1. Outer knob: Holds the matrix band
02:12 – Tofflemire retainer parts: 2. Inner knob: Adjusts the size of the matrix band
02:19 – Tofflemire retainer: Zero position: Place the box / vise in contact with the head
02:32 – Tofflemire retainer: Zero position: Move the box using the inner knob
02:49 – Tofflemire retainer: Orientation and position
03:23 – Tofflemire matrix band types
03:39 – Tofflemire matrix band types: Conventional / flat universal matrix band
04:43 – Tofflemire matrix band types: MOD matrix band
05:10 – Wedges
06:32 – Assembly
06:48 – Assembly: 1. Place the box / vise at zero position
07:14 – Assembly: 2. Screw / pointed spindle should be released from the box slot
07:54 – Assembly: 3. Fold the matrix band to form a loop to identify the area to burnish
08:16 – Assembly: 4. Burnishing of the matrix band
09:30 – Assembly: 5. Fold the matrix band to form a loop
10:18 – Assembly: 6. Insert the matrix band in the slot
11:07 – Assembly: 7. Place the matrix band loop in the correct slot /guide channel (center, Rt, Lt) depending on the tooth location
11:21 – Assembly: 8. Turn the outer knob clockwise to tighten the spindle against the matrix band in the box
11:48 – Assembly: Inner knob: tightens the matrix band around the tooth
11:55 – Assembly: Premolar: The loop can exit from the center (most stable), Rt, or Lt slot (Guide Channel)
12:41 – Assembly: Molar: The loop can exit from the Rt, or Lt slot (Guide Channel)
13:51 – Assembly: Secure the matrix band using the outer knob
13:55 – Application
14:10 – Application: 1. Slot is always directed toward the gingiva
14:14 – Application: 2. Narrow edge of the matrix band is always directed toward the gingiva
14:20 – Application: 3. Retainer is placed in the buccal vestibule
14:41 – Application: 4. Make sure the retainer is tight
15:01 – Application: 5. Place the matrix band and retainer assembly on the tooth
15:16 – Application: 6. Center the retainer head against the buccal surface
15:29 – Application: 7. Make sure the matrix band is extended properly gingivally and occlusally
16:22 – Application: 8. Tighten the matrix band around the tooth
16:49 – Application: 9. Insert the wedge
18:27 – Application: 10. Check the retainer is secure
18:32 – Application: 11. Check there is no gap gingivally
19:12 – MOD matrix band application
20:45 – What to do when the matrix band keeps getting loose?
21:40 – MOD matrix band application
22:21 – Removal
22:47 – Removal: 1. Remove the wedge
22:53 – Removal: 2. Hold the matrix band occlusally at the marginal ridge area
23:03 – Removal: 3. Loosen the outer and inner knob
23:14 – Removal: 4. Remove the Tofflemire Retainer
23:33 – Removal: 5. Hold the matrix band occlusally at the marginal ridge area
23:49 – Removal: 6. Remove the matrix band from the opposite side
23:55 – Removal: 7. Remove the matrix band Diagonally in an occlusobuccal direction

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