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3-year clinical evaluation of modified Gluma adhesive systems in cervical abrasion/erosion lesions
P Hörsted-Bindslev1, J Knudsen, V Baelum
1Dept. of Dental Pathology, Operative Dentistry and Endodontics, Royal Dental College, Faculty of Health Science, University of Aarhus, Denmark.
Purpose:
To study the clinical performance of two candidates for improvement of the original Gluma bonding system.
Materials And Methods:
Eight teeth with cervical buccal abrasion/erosion lesions were identified in 40 patients. The lesions were conditioned with an oxalic acid solution followed by either a HEMA-glutaraldehyde bonding agent or a formamide-containing bonding agent. The lesions were restored with a hybrid composite. Each patient received the same number of restorations with the two different bonding formulations. All restorations were made by the same operator (JK). Evaluations were based on the USPHS system.
Results:
No difference between the two groups as to retention, marginal adaptation and discoloration was observed after 3 years. Eight restorations were lost and a slight increase in marginal discoloration was seen during the observation period.