A Restorative Approach for Class II Resin Composite ... | 合法醫療器材資訊網

2015年1月1日—Clinicalstudieshavesuggestedthatresincompositerestorations...presentaclinicalcaseinwhichsuccessfulClassIIrestorations ...

A 28-year-old man in excellent oral health was referred for an oral examination at the dental clinic of Schulich Medicine & Dentistry, Western University, London, Canada. His chief complaint was related to sensitivity in the left maxillary premolar region when ingesting sweet food. Although no recurrent caries was visualized on the bite-wing radiographs, deficient marginal adaptation was clinically detected on the old resin composite restorations of teeth 14 and 15 (Figure 1[1]). Because of the conservative size of the cavity preparation and the patients good oral hygiene allied to the esthetic requirement, it was agreed to replace these defective resin composite restorations with the same material.

Isolation was performed using a rubber dam. The old composite restorations were removed, and the preparations were refined with a No. 245 carbide bur. Bevels were placed at the facial and lingual walls...