K. F. Chow BDS., FDSRCS May 27th, 2010 The primary cause of the failure could be systemic or local. The patient is middle aged, with high BP and high cholesterol, hopefully controlled. Check the patient for diabetes and treat if necessary. Dues should be paid to Dr Vaziri for highlighting the possible local causes like residual infection left behind by the endodontically treated tooth and the possibly low blood supply to the periodontium of such teeth that may prevent proper osseointegration. Having said that, Carlos Boudet gave a very reasonable and workable local treatment response to the problem. But the possible systemic causes should be looked at first. Lastly, a larger diameter implant is an absolute no no. Besides all the eloquent reasons given earlier by the learned dentists not to do so, I would like to add one more. Every dental implant we place also comes with a periodontal pocket….yes a pathology…. an iatrogenic condition. Bone will forms a biologic bond with titanium but
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