Instructions

The Back Hammer (BH)

This system was designed by a clinical dentist for removing crowns and bridges. It also has the capacity to remove inlays, onlays and veneers. This system uses some very old techniques, combined with the most modern state of the art innovations. This system uses no lateral forces to remove restorations from teeth, thereby reducing additional trauma to the tooth or teeth while performing this procedure. It is designed specifically for removing crowns and bridges that can be removed with moderate force (i.e. acrylic temporaries, try-ins and restorations with chronologically degraded cements).

This device should save a practitioner thousands of hours of chair time which is good for profits and good for the patient.

The Tooth Attachment Mechanisms or TAM (I-series, C-series, M/P-series, UL,UR -series, AB-series)

These mechanisms attach to the teeth or bridges in order to facilitate sound attachment to the prosthesis of the tooth or teeth involved. There are a variety of attachments for posterior teeth M/P (molar/pre-molar), I-Incisor, C-Canine and bridges-UL LR upper left/lower right, UR LL upper right/lower left and AB anterior bridges. These TAM’s may be easily adjusted by the dentist when necessary for proper fit. These devices may only be used one time and can not be sterilized.

The Force Bars (FB1, FB2, FB3, FB4L, FB4R, FB6)

These stainless steel metal rods are used to attach the TAMs to the back hammer. They come in a variety of shapes and sizes and its use will depend on which tooth and what area of the oral cavity the device will be used on, as well as the clinicians preference. These devices should be sterilized after each use between patients.

FB6
FB1
FB2
FB3
FB4L

Safety Screws

This small screw is used to secure the TAM to the Force Bar, which in turn attaches to the back hammer of the clinicians preference (Back Hammer included). This device should be sterilized after each use between patients.

Emergency Removal Screw (hand)

This screw will be used when it is determined that the prosthesis could not be removed or in an emergency situation in which the device must be removed quickly. This device should be sterilized after each use between patients.

ERS-H

Emergency Removal Screw (latch type)

This latch type screw is used for the same reason as that in #5, with the exception that it attaches to the slow speed handpiece and does not require hand cranking to achieve function. Handpieces should have enough torque to push the TAMs off of the tooth. This device should be sterilized after each use between patients.

ERS_screw_latch

Total Arch Bridge Plate

This multi-holed triangular shaped disc is used to attach multiple force bars to TAMs which in turn attaches to the Back Hammer for the removal of total arch bridges. This device should be sterilized after each use between patients.

Total Arch Bridge Plate Nuts

These nuts secure the force bars to the TAM’s to the Total Arch Bridge Plate and the Back Hammer. These devices should be sterilized after each use between patients.

nut

Locator Bar

This small bar is used to locate the hole placed in the occlusal aspect of a crown when the less invasive procedure is ineffective. It is placed through the hole in the TAM that is to be used after the warm adhesive is inserted in the TAM and pushed through the adhesive until it has passed completely through. The bar is then placed into the hole of the crown that is to be removed. The bar is removed and the adhesive is cooled. The Emergency removal screw is then tightened in the TAM until the crown is removed. Please note that if there is extensive decay, the Emergency Removal screw may encroach upon the pulpal chamber.
A small ligature should be used to insure the retrieval of the bar in case it is misplaced in the oral cavity.

LB

1. Choose a desired TAM which fits snugly over the crown without binding.

2. Lubricate adjacent teeth with a mild application of Vaseline or olive oil being very careful not to lubricate the crown/prosthesis that is to be removed.

3. Heat 8 Oz. of water in the microwave or coffee pot such that it comes to a boil. Place the adhesive and the TAM in the water pan and carefully pour the hot water in the pan. Recommended heating time is approximately 40-60 seconds. Heating time may vary according to the clinicians preference.

4. Remove adhesive and TAM with cotton pliers or gloved hands. Place the adhesive in the coronal portion of the TAM. Dry off crown and firmly place TAM over crown making sure that the force bar may be placed in the sleeve such that the force bar can be inserted parallel to the occlusal plane of the arch.

5. Air and water cool for approximately 40-60 seconds. Keep in mind that the adhesive must be cooled in order to adhere to the tooth. Extended chilling period may be necessary. Check hardness of adhesive with #3 explore.

6. Place a bite block on the opposite side of the mouth from which the prosthesis is to be removed. This is very important when attempting to remove prosthetic restorations form the mandibular arch but may assist in keeping the patients mouth open during this procedure, thus preventing trauma to the teeth of the opposing arch.

7. Place 3 – 6 2×2 gauzes between teeth of the opposing arch and the TAM/Force Bar to protect the opposing teeth.

8. Place (pre-attached to the Back Hammer) the Force bar in the sleeve (hole) of the TAM after the cooling process is completed. Tighten safety screw (already in TAM without blocking sleeve/hole/Force Bar entrance).

9. Tighten safety screw, this will secure the TAM to the Force Bar.

10. With moderate force slide the weight of the back hammer in the opposite direction of the TAM making slight contact with the opposing bolt of the back hammer. The Crown/temporary should have been removed. Repeat # 10 with slightly more force if crown was not removed. Be sure to keep slight positive pressure on the TAM with a finger to aid in the control of the device. Remember that removing permanent crowns may not be possible if the crown was bonded to the tooth with some modern cements. If this is the case then a handpiece may still be necessary to remove the crown. See Invasive Removal Techique.

11. For best results make sure adhesive is tightly packed in TAM and allow to stand for 2 minutes after chilling with air and water.

1. Assemble the Total Arch Bridge Plate by placing the desired Force Bars in the hole that will allow for the proper fit of the TAMs on the bridge (various hole positions are available depending oh the size of the prosthesis/arch involved). Do not connect the Back Hammer at this time.

2. Heat 8 Oz. of water in the microwave or coffee pot such that it comes to a boil. Place the adhesive and TAMs in the water pan and carefully pour the hot water in a pan (several units of adhesive will be necessary when removing long span bridges). Recommended heating time is approximately 40-60 seconds. Heating time may vary according to the clinicians preference. Remove adhesive with cotton pliers or gloved hands. Place the adhesive in the coronal portions of the TAMs. Dry off bridge and firmly place TAMs over bridge. Air and water cool for approximately 40-60 seconds.The anterior TAM may be necessary if there are anterior abutments. The Force Bars that are used with the Total Arch Bridge Plate are slightly longer than those of a regular bridge or single tooth Force Bar in order to connect with the Bridge Plate.

3. While TAMs are attached to the Force Bars and Total Arch Bridge Plate, place device in mouth and firmly press TAMs on to both sides of the prosthesis along with the anterior TAM. An anterior TAM may be used if the clinician is concerned about the attachment of the bridge to anterior abutments.

4. Air and water cool for approximately 40-60 seconds. For best results make sure adhesive is tightly packed in TAM and allow to stand for 2 minutes after chilling with air and water.

5. Stabilize lower jaw (if removing a mandibular prosthesis) by using a towel around chin and held at behind the head to prevent mandible from closing during the procedure (an assistant may be necessary to aid the clinician with this). The palm of the clinicians hand may be place on the chin of the patient to prevent the mandible from moving in the same direction of the weight on the Back Hammer.

6. Place 3-6 2×2 Gauzes on both sides of the mouth to prevent trauma to arch during the use of the Back Hammer

7. Attach the Back Hammer to the Total Arch Bridge Plate. With moderate force slide the weight of the back hammer in the opposite direction of the TAM until contact is made with the Attachment Bolts. The Crown/temporary should have been removed. Repeat # 7 with slightly more force if crown was not removed.
Remember that removing permanent crowns may not be possible if the crown was bonded to the tooth securely with some modern cements. If this is the case then a handpiece may still be necessary to remove the crown.

8. If it is necessary to remove the mechanism from the mouth, disassemble the Force Bars from the Bridge Plate, loosen or remove the safety screws, remove the force bars from the mouth, then use the Emergency Removal Screws to remove of the TAMs from the teeth. Choose a desired TAM which fits snugly over the tooth without binding.

1. Choose a desired TAM which fits snugly over the tooth without binding.

2. Heat 8 Oz. of water in the microwave or coffee pot such that it comes to a boil. Place the adhesive and the TAM in the water pan and carefully pour the hot water a the pan. Recommended heating time is approximately 40 seconds. Heating time may vary according to the clinicians preference.

3. Lubricate adjacent teeth and the parts of the tooth the veneer does not cover with a slight application of Vaseline or olive oil being very careful not to lubricate the veneer that is to be removed.

4. Remove adhesive and TAM with cotton pliers or gloved hands and using a blade cut only enough to place on the buccal aspect of the TAM. Dry off the tooth and the veneer and firmly place TAM on the tooth pressing the buccal aspect of the RAM firmly on the veneer.

5. Air and water cool for approximately 40-60 seconds. Keep in mind that the adhesive must be cooled in order to adhere to the tooth. For best results make sure adhesive is tightly packed in TAM and allow to stand for 2 minutes after chilling with air and water.

6. Place a bite block on the opposite side of the prosthesis to be removed. This is very important when attempting to remove prosthetic restorations form the mandibular arch but may assist in keeping the patients mouth open during the procedure.

7. Place (pre-attached to the Back Hammer) Force bar in the sleeve (hole) of the TAM after cooling process is completed. Tighten safety crew (already in TAM without blocking sleeve/hole/Force Bar entrance).

8. Tighten safety screw, this will secure the TAM to the Force Bar

9. With moderate force slide the weight of the back hammer in the opposite direction of the TAM making slight contact with the opposing bolt of the back hammer. The Veneer/temporary should have been removed. Repeat # 7 with slightly more force if crown was not removed. Remember that removing permanent Veneers may not be possible if the crown was bonded to the tooth securely with some modern cements. If this is the case then a handpiece may still be necessary to remove the crown. Be sure to keep slight positive pressure on the TAM to aid in the control of the device.

1. Choose a desired TAM which fits snugly over the crown without binding.

2. Prepare an occusal opening in the crown the will allow for the passage of the Locator Bar.

3. Place Locator Bar in occlusal/incisal aspect of TAM.

4. Heat TAM and adhesive.

5. Place adhesive in TAM from a mesial or distal direction.

6. Place the Locator Bar in the opening of the crown.

7. Firmly press TAM on tooth as Locator Bar moves out of the TAM.

8. Remove the TAM

9. Chill adhesive for 60 seconds. For best results make sure adhesive is tightly packed in TAM and allow to stand for 2 minutes after chilling with air and water.

10. Place and turn Emergency Removal Screw in TAM until crown comes off.

CrownRemover.com, LLC
2 Johnny Mercer Blvd
#407 Savannah GA
31410

(754) 24-CROWN