Clinical evaluation of an anterior hybrid composite resin over 8 years. 1997

B J Millar, and P B Robinson, and A T Inglis
Department of Conservative Dentistry, King's Dental Institute, London.

OBJECTIVE To evaluate the performance of an anterior hybrid composite resin restorative material (Opalux). METHODS Single-centre clinical trial. METHODS Scores were obtained based on USPHS criteria for marginal adaptation, anatomic form, colour match, surface roughness and marginal discolouration. METHODS The restorative material was evaluated in suitable cavities in 24 patients (12 male, 12 female). Ethical permission and consent were obtained. METHODS Baseline data was collected on 44 restorations (25 Class III, 3 Class IV, 16 Class V) and reviewed independently by two of the three clinicians who contributed to the study who then reached a consensus score. Restorations were reviewed and scored in the same way at 3 months and 1, 2, 3 and 8 years. RESULTS The total number of alpha ratings at baseline and review (3 months and 1, 2, 3 and 8 years) appointments for the following parameters were: marginal adaptation (33, 28, 29, 27, 12, 17), anatomic form (39, 30, 32, 26, 17, 15), surface roughness (34, 26, 24, 23, 11, 4), colour match (24, 25, 26, 24, 15, 12) and marginal discolouration (39, 31, 30, 25, 10, 9). The incidence of secondary caries was very low. Life table analysis suggests a 73% survival, with no scores below B, at 8 years. CONCLUSIONS The majority of these restorations continued to perform satisfactorily. Although this particular material is no longer available, these results may be applicable to currently available similar materials.

UI MeSH Term Description Entries
D007180 Incisor Any of the eight frontal teeth (four maxillary and four mandibular) having a sharp incisal edge for cutting food and a single root, which occurs in man both as a deciduous and a permanent tooth. (Jablonski, Dictionary of Dentistry, 1992, p820) Incisors
D008297 Male Males
D008689 Methacrylates Acrylic acids or acrylates which are substituted in the C-2 position with a methyl group. Methacrylate
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011140 Polyurethanes A group of thermoplastic or thermosetting polymers containing polyisocyanate. They are used as ELASTOMERS, as coatings, as fibers and as foams. Polyisocyanates,Ostamer,Pellethane,Spandex,Ostamers,Pellethanes,Polyisocyanate,Polyurethane,Spandices
D003188 Composite Resins Synthetic resins, containing an inert filler, that are widely used in dentistry. Composite Resin,Resin, Composite,Resins, Composite
D003481 Cuspid The third tooth to the left and to the right of the midline of either jaw, situated between the second INCISOR and the premolar teeth (BICUSPID). (Jablonski, Dictionary of Dentistry, 1992, p817) Canine Tooth,Canine Teeth,Cuspids,Teeth, Canine,Tooth, Canine
D003793 Dental Restoration, Permanent A restoration designed to remain in service for not less than 20 to 30 years, usually made of gold casting, cohesive gold, or amalgam. (Jablonski, Dictionary of Dentistry, 1992) Dental Fillings, Permanent,Dental Filling, Permanent,Dental Permanent Filling,Dental Permanent Fillings,Dental Restorations, Permanent,Filling, Dental Permanent,Filling, Permanent Dental,Fillings, Dental Permanent,Fillings, Permanent Dental,Permanent Dental Filling,Permanent Dental Fillings,Permanent Dental Restoration,Permanent Dental Restorations,Permanent Filling, Dental,Permanent Fillings, Dental,Restoration, Permanent Dental,Restorations, Permanent Dental
D003807 Dentin Sensitivity Pain associated with exposed DENTIN surfaces of the teeth. Dentin Hypersensitivity,Dentine Hypersensitivity,Dentine Sensitivity,Tooth Sensitivity,Dentin Hypersensitivities,Dentin Sensitivities,Dentine Hypersensitivities,Dentine Sensitivities,Hypersensitivities, Dentin,Hypersensitivities, Dentine,Hypersensitivity, Dentin,Hypersensitivity, Dentine,Sensitivities, Dentin,Sensitivities, Dentine,Sensitivities, Tooth,Sensitivity, Dentin,Sensitivity, Dentine,Sensitivity, Tooth,Tooth Sensitivities
D005260 Female Females

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