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Survival of Dental Implants on Irradiated Jaws: A Systematic Review and Meta-analysis
Prajwalit Prakash Kende1, Suleka Ranganath1, Jayant Shivaji Landge1
1Department of Oral and Maxillofacial Surgery, Government Dental College and Hospital, Mumbai, 400001 India.
Objectives:
Dental implants play a significant role in functional rehabilitation of the oral cavity after debilitating jaw surgeries for oral cavity cancers followed by radiotherapy.
Design:
The meta-analysis was done using Preferred Reporting Items for Systematic Review (PRISMA) guidelines published from January 1947 till August 2020. Twenty three articles consisting of 1246 participants with 4838 implants were included in our analysis.
Results:
The mean age of the included participants was 51.4 years. 2186 and 1685 implants were placed on irradiated and non-irradiated jaws and showed a success rate of 82.47% and 89.37% respectively. Correspondingly, publication bias of p value = 0.2129 and p-value = 0.6525 was found by Egger's and Begg's test respectively for pooled data of 16 studies. The implant success rate of 70.4% on maxillary bone and 94.5% were observed on mandibular bone. Timing of implant placement and its influence on survival rate have resulted in a 75.5% survival rate of dental implants when placed primarily in comparison with 87.7% on delayed placement. The waiting interval of 14 months in delayed implant placement has shown better results.
Conclusion:
Presence of radiotherapy does not play a significant role in the success rate of dental implants in oral cavity cancers. However, delayed implant placement may have a better chance of survival.
Supplementary Information:
The online version contains supplementary material available at 10.1007/s12663-022-01686-6.
