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Effect of Full Veneer Crown on Periodontal Health in Diabetic and Non-Diabetic Patients.

Both periodontal disease and diabetes mellitus (DM) are important public health issues. Compared to the non-diabetic counterparts, diabetic patients more often suffer from dental problems, sometimes requiring fixed-dental prosthesis. Gingival inflammation and other forms of periodontal disease are the common complications of the dental prosthesis. This prospective comparative experimental study was intended to compare the outcome of the periodontal health after placement of full veneer crown in diabetic and non-diabetic patients in the Department of Prosthodontics, Faculty of Dentistry, Bangabandhu Sheikh Mujib Medical University (BSMMU), Bangladesh from April 2018 to March 2019. This study involved consecutive 53 diabetic and 53 non-diabetic adult patients of either sex, undergoing treatment with full veneer crown in either maxillary or mandibular posterior teeth with healthy periodontal tissue. The outcome variables were: plaque index, gingival index, periodontal pocket depth, and bleeding on probing, at baseline, 3 months and 6 months post-procedure. Gingival index in the diabetic group reached from 0 at baseline to nearly 0.1 at 3 months which then steeply reached to 0.2 at 6 months interval, whereas the same index in the non-diabetic group reached from 0 at baseline to 0.009 at 3 months and 0.04 at 6 months interval. Plaque index of diabetic patients increased from 0 at baseline to 0.5 at 3- and 6-months interval, whereas the plaque index of non-diabetic patients increased to 0.4 at 3 months and then decreased again 0.3 at 6 months interval (p<0.001). Periodontal pocket depth of diabetic group increased from 1.0mm at baseline to 1.2 and 1.5mm at 3 and 6 months respectively, while the same measure in the non-diabetic group increased to 1.1 and 1.3mm at 3 and 6 months respectively (p<0.001). Bleeding on probing index in the diabetic group reached sharply to 1.5 at 3 months from 0 at baseline and then it reached 2.3 at 6 months, whereas the same index in non-diabetic group reached 1.1 and 1.6 at 3 and 6 months respectively (p<0.001). Periodontal health outcome of full veener crown in diabetic patients is adversely affected compared to that in non-diabetic patients.