Sargon Dental Implants

Single tooth replacement using the Sargon^® Immediate Load Implant by Sargon^® Enterprises, Inc

The Saigon Immediate Load implant features an apical expansion design, which allows early loading and immediate placement of a functional restoration where bone is of adequate quality and quantity. Designed for partially and fully edentulous cases, the implant system can be used for both fixed and removable prostheses. The Sargon^® immediate load implant is activated at the time of surgery so that it expands into the surgical site. This activation occurs when a center screw is finger tightened, drawing the expansion nut snugly into the body of the implant. When expansion occurs, the implant is mechanically fixed in the bone, which with time becomes osseointegrated. The following case demonstrates an extraction and immediate placement of the implant and restoration, all completed in the course of one appointment.

Surgical Placement

1. Use radiographs and a CT scan to determine whether or not the patient has adequate bone quality and quantity for implant placement. Also ascertain that there are no other adverse general or oral health conditions that contraindicate implant placement or immediate loading (Figure l pre op).

2. Using diagnostic wax ups and sur gical aide stents, plan the case to en sure proper placement of implants and fabrication of a temporary restoration. Note: Placement of the Sargon^® implant into an extraction site requires that the implant be placed in 75% good bone (this includes the socket and bone be yond the socket area).

3. Perform the extraction and de bride any fibrous tissue from the ex traction site (Figure 2).

4. Using the Sargon^® surgical hand piece and a specified series of drills, pen etrate to the desired depth of the os teotomy as determined by the length of the implant and the corresponding line on the 3.5 mm final drill (Figure 3).

5. Use the 3.9 mm Pilot Tap to initiate the tap and set the direction of the threads. Use the 3.9 mm Final Tap to thread the surgical site to the desired depth (Figure 4). Note: Do not use the implant to thread the surgical site, as the implant is not self tapping. The fintsl tapped osteotomy will feel slightly larg er than the implant because the lower portion of the implant is crimped in ward so as not to engage bone during placement. It is recommended that the final tap be finger turned rather than motor turned.

6. Screw the implant into the surgical site by hand with the implant driver as sembly. Press the implant firmly into the site and turn the implant driver assem bly a fraction of a turn clockwise to initiate engagement (Figure 5).

7. Insert the screwdriver into thescrew and finger turn clockwise to expand the body of the implant into the walls of the surgical site (Figure 6).

Screw down firmly with finger pressure until the internal screw can no longer turn. Note: There should be absolutely no mobility of the implant.

This fixes the implant to the point that it should test and function as a clinically integrated implant, even though mature osseointegration has not had time to occur. Osseointegration is intended to occur over time while the patient is utilizing the implant supported tooth.

8. Strike the implant slightly with a metal instrument (Figure 7). The sound should be the ringing sound of a fully integrated implant. If the implant does not sound fully integrated or if it is mobile, expand the implant further by tightening the internal screw. Repeat the percussion test. There must be no mobility of the implant.

9. Using the bone augmentation materials of choice, pack the area surrounding the collar after screwing the abutment onto the implant (Figures 8 & 9). The abutment can be marked inside the mouth and prepared outside the mouth. Take the temporary that was fabricated prior to surgery and reline it with cold cure acrylic (Figure 10); secure it to the abutment with Dycal calcium hydroxide material. Note: If left in the socket, eugenol containing cements may create severe inflammation.

Post Surgical Followup

10. Post surgical followup must occur within one week of surgery (Figure 1 1 three days post surgery) and weekly for two to three weeks until the doctor is confident that the implant is fixed and healing asymptomatically. Remove the temporary restoration and check the implant with percussion tapping on the abutment. If the patient exhibits sensitivity to the percussion, the implant must be stabilized by further tightening of the center screw of the expansion mechanism. Note: If there is no overheating of the osteotomy during preparation in Type I, Type II, and most of Type Ill bone, the implant normally cannot be further expanded in followup visits.

11. Figures 12 and 13 demonstrate synthetic bone slowly being replaced by the patient's natural bone at a few weeks post op.

 
12. Figures 14 and 15 shows the patient three years after implant surgery. The patient exhibits dense bone with no cratering.

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Sargon Dental Implants Address: 16101 Ventura Blvd. Suite # 350 Encino, California 91436 USA