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A 42-year-old female patient presented with carious lesions on the distal surface of the maxillary left first premolar and the mesial surface of the maxillary left second premolar, confirmed through visual examination and radiographic analysis.

A 35-year-old male presented with a carious lesion on the mesial and occlusal surfaces of the maxillary left first molar, as observed visually and radiographically.

A 50-year-old male presented with several deficient Class II composite restorations in the maxillary first quadrant. Active and recurrent decay was observed both visually and radiographically, and the patient reported issues with food impaction and gingival inflammation.

The restoration of cavities involving marginal ridges poses a big challenge in developing proper anatomical contours with tight natural contact areas.