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کودکان: Comparison of Peri-Implant Bone Loss and Survival of Maxillary Intrasinus and Extrasinus Implants After 2 Years

  Comparison of Peri-Implant Bone Loss and Survival of Maxillary Intrasinus and Extrasinus Implants After 2 Years

 

  AR. Rokn1,2, AAR. Rasouli Ghahroudi3,4

, S. Hemati 5, A. Soolari6

  1-Associate Professor, Department of Periodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran

  2-Associate Professor, Dental Implant Research Center, Tehran University of Medical Sciences, Tehran, Iran

  3-Assistant Professor, Dental Research Center, Tehran University of Medical Sciences, Tehran, Iran

  4-Assistant Professor, Department of Periodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran

  5-General Dentist, Sanandaj, Kordestan, Iran

  6-Diplomate of American Board of Periodontology, Private practice, Silver Spring, MD, USA

  amirali_rasouli@yahoo.com

 


 

  Abstract:

  Objective: Low quality of the bone and insufficient bone due to the size of the sinus and resorption of the alveolar ridge decrease the long-term survival of implants in the posterior maxilla compared to other regions of the jaws. Surgical procedures to increase bone volume make it possible to place implants longer than 8 mm. In this situation sinus elevation makes it possible to place implants. We intend to evaluate peri-implant bone loss and survival of implants placed in elevated sinuses after 2 years and to compare with implants
placed in the native posterior maxilla.
Materials and Methods: Twenty-five implants placed in sinuses that had been reconstructed with Bio-Oss and healed after 9 months were compared with 30 implants placed in the posterior maxilla without any surgery. The groups were compared using probing pocket depth, bleeding on probing, Plaque Index and bone loss immediately after implant placement surgery and 2 years postoperatively. The criterion for implant survival was
presence or absence of the implant in the oral cavity, which was recorded in relevant forms in both groups.
Results: Three implants were lost; one in control and two in grafted sinuses. No significant differences were observed in the survival rates. In general, the mean bone loss around intrasinus and extrasinus implants was not significantly different. In the same context, no differences were observed between bleeding on probing, Plaque Index and probing pocket depths of two groups (P=0.397, P=0.637 and P=0.224, respectively).
Conclusion: The survival and bone loss around intrasinus and extrasinus implants are similar.

 Keywords: Bio-Oss ، Alveolar Bone Loss ، Dental implants ، maxillary sinus ، survival rate


  Source: Journal of Dentistry of Tehran University of Medical Science

  Full text

 

 

 

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