
Rubberdamology #RLEARN #rub101 Isolation tooth #36 with #clamp7 and #clampW7 002 4CAM #8K
February 22, 2024
Rubberdamology #RLEARN #rub101 Floss ligatures 004 4CAM #8K
February 22, 2024Back to: The most complete #RUBBERDAMOLOGY course
3
In this lesson, Apokin Alexander demonstrates the use of “butterfly” clamps (double-arc clamps) for isolating anterior teeth on the upper jaw, specifically for endodontic and restorative procedures.
Lesson Overview: Anterior Tooth Isolation (Butterfly Clamps)
1. Armamentarium (Tools Used)
- Rubber Dam Plates: Nic Tone (Thin Blue) [02:23].
- Clamps: * Clamp No. 210: Features asymmetrical working planes—a large part for the vestibular side and a smaller part for the palatal side [05:44].
- Clamp No. 9: Traditionally for lower incisors, but highly recommended by Dr. Ain for upper central incisors due to its excellent perimeter isolation [14:28].
- Instruments: Sanctuary Dental punch and clamp forceps; sharp dental probe for inversion [01:29].
2. Clamp Application: The 210 Butterfly
- Orientation: Always place the larger wing of the 210 clamp on the vestibular (cheek) side and the smaller wing on the palatal side [05:57].
- Seating: The clamp should sit over the gingival margin on the vestibular side and on the tuberculum on the palatal side [06:29].
- Method: Mount the clamp inside the dam perforation first. Carry both to the tooth using forceps, seat it, then use a sharp probe to release the dam from the wings both palatally and vestibulally [09:19].
3. Advanced Isolation: The No. 9 Clamp for Damaged Teeth
- The “Problem” Scenario: For a heavily damaged tooth or a root with no crown, the No. 9 clamp is superior [14:25].
- Clinical Tip: Use a probe or the back of a mirror to pull the rubber dam margin epically (towards the root) while inserting the clamp. This ensures a tight seal around the entire perimeter of the root [15:12].
- Versatility: This setup is ideal for endodontic treatment, fiber post cementation, or preparation for a full crown [16:12].
4. Refined Inversion and “The Envelope”
- Interdental Inversion: Use floss to seat the dam between contact points. If the rubber is rigid, you may need to guide it with your fingers or a probe to ensure it sits correctly in the interdental space [10:12].
- The Signature “Envelope”: Fold the excess dam material to prevent water leakage and improve patient comfort [11:32]. Dr. Ain notes that practicing this until it is second nature will significantly improve clinical efficiency [16:41].






