Dental implantsChanges in Peri-Implant Bone Level and Effect of Potential Influential Factors on Dental Implants in Irradiated and Nonirradiated Patients Following Multimodal Therapy Due to Head and Neck Cancer: A Retrospective Study
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Materials and Methods
This study was approved by the local ethics committee of the Charité Medical University (Berlin, Germany).
Results
In total, 194 implants were placed (73 in the maxilla and 121 in the mandible). Lengths varied among 9 mm (n = 25 implants), 11 mm (n = 132 implants), 13 mm (n = 34 implants), and 16 mm (n = 3 implants). Of these, 112 implants had a diameter of 3.8 mm, 80 dental implants had a diameter of 4.3 mm, and 2 implants had a diameter of 5 mm.
The mean observation period for all implants was 52.92 months (24 to 117 months). During the observation period, 3 mandibular implants were lost in 3 irradiated
Discussion
Dental reconstruction of patients with head and neck cancer after multimodal therapy with or without radiation treatment in the oral cavity is a crucial step toward social and physiologic rehabilitation.20 The use of dental implants in these obviously difficult conditions with abnormal anatomic changes, intolerance of denture-bearing mucosa to mechanical load, and functional disabilities provides the possibility of restoring dentition in these compromised patients. However, different factors
Acknowledgment
The authors thank Gerda Siebert, Dipl Math, for her outstanding statistical assistance.
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