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Immediate implant placement is when an implant is placed at the same time as the natural tooth is extracted. Implant placement in fresh sockets was first reported by Schulte and Heimke in 1976, termed ‘immediate implant’. Over the years there have been many studies reporting high survival rates. The expert recommendations published for single implant placement following the Foundation for Oral Rehabilitation (FOR) consensus conference of October 7–8, 2015 were that careful patient selection, proper treatment planning, and precise implant placement were necessary to gain predictable and esthetic results.
Immediate loading, otherwise known as Immediate Function, involves the placement of restoration within 48 hours of implant placement. It can be applied if sufficient primary stability is achieved – for single-tooth restoration, this is known as immediate provisionalization.
The technique was developed in response to patients’ growing demand for quicker treatment and faster time-to-teeth. Ledermann was the first to document successful healing of immediately loaded implants, which were placed in the anterior part of the mandible, but Schnitman et al. were the first to explore the possibility of successfully fixing a partial prosthesis to immediately loaded implants. Among the several long-term studies performed since then with 5-10 years’ follow-up, high cumulative survival rates, such as around 97% – 100% were reported for immediately loaded implants placed in extraction sites for any indication. To avoid loading a restoration, the provisional should be taken out of occlusion or the patient should be instructed to follow a soft diet.
In suitable cases, immediate placement and immediate loading offer an array of benefits for the patient, including shorter treatment time and significantly reduced time (if any) spent with a gap in the dentition since the esthetic restorations are provided on the day of surgery. Indeed, a 2014 study found that patients preferred immediate implant placement in the anterior maxilla when compared to four other treatment protocols. It may therefore offer a suitable solution for high patient satisfaction when clinically indicated.
Immediate implant placement and provisionalization have been used with good predictability in clinical practice. Immediate loading reduces the need for surgical intervention and complex bone grafting procedures that might otherwise be required to restore resorbed ridges. The one-stage technique offers a simplified surgical workflow and subjects the patient to one surgery instead of two. Improvements in patients’ post-operative experience following flapless approaches for single-tooth rehabilitation have been reported. Successful cases of the immediate loading protocol have also been reported for multiple implant placement.
With close collaboration between oral surgeons, prosthodontist,s and lab technicians, immediate implant placement and immediate loading can provide a unique selling proposition (USP). This can form an integral part of a marketing strategy, ensuring the practice is more attractive than others in the local vicinity, or even further afield.
A clinically proven and well-researched dental implant system should be used to help ensure predictability and the long-term success of immediate placement and loading. For single implant placement, NobelActive provides an expanding, tapered implant body that gradually condenses the bone as the drilling blades at the apex facilitate a smaller osteotomy. This enables the implant to achieve the high primary stability required to perform immediate placement and immediate loading, even in situations where it might otherwise be challenging – such as soft bone or extraction sockets.
Courtesy of: Dr. Léon Pariente and Dr. Karim Dada, France
Situation: Male patient, 62 years old, root fracture of the upper lateral incisor, tooth extraction indicated.
Solution: Immediate implant placement in extraction socket using a NobelParallel Conical Connection implant and NobelGuide pilot drilling template. Immediate provisionalization on the day of surgery and final restoration using the NobelProcera ASC Abutment.
Patients want to be treated in an efficient and expedient manner. When seeking a solution, they want a safe and effective treatment that can be performed in the shortest possible time and with as little pain and discomfort as possible. Immediate implant placement and loading are valuable techniques for the clinician to call upon, but their skill and experience, as well as case selection, are all crucial elements to ensure successful long-term results.
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