A study of a direct bonding adhesive system
Greenfield, Raphael L.
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There is presently an intensive search for a direct bonding system, which can maintain its integrity in an oral environment. The purpose of this investigation is to evaluate a new bonding system in vitro, in vivo and under the Scanning Electron Microscope. It is felt that because of the simplicity of this system, it possesses several advantages over systems that are now commercially available to the clinician. 'The advantages of a direct bonding technique, to both the practitioner and the patient, have made it an effective adjunct to orthodontic treatment. The elimination of banding discomforts due to separation and band adaptation, the reduction in decalcification underneath bands, and the improvement in patient esthetics and oral hygiene have led many to believe that conventional banding wi 11 become a procedure of the past. 411 polycarbonate brackets and 35 metal brackets were placed in 71 patients over a seven month period. The in vivo study is still in progress and more results are anticipated. The stress studies were performed in vitro after twenty-four hours immersion in normal saline solution. From these short-term results, this system appears comparable to other direct bonding systems, yet it requires considerable less clinic time to place the brackets efficiently.
PLEASE NOTE: This work is protected by copyright. Downloading is restricted to the BU community: please click Download and log in with a valid BU account to access. If you are the author of this work and would like to make it publicly available, please contact email@example.com.Thesis (M.Sc.D.)--Boston University School of Graduate Dentistry, 1973. Orthodontics.Bibliography included.
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