If the cemento-enamel junction (CEJ) was not visible because of the presence of a restoration (crown, filling), the margin of this restoration served as a reference point.
The ART criteria fail a restoration when 0.5 mm of enamel is visible at the margin of the restoration and fail a re-restored tooth placed by an outside dentist.
In patients with suspected dentin hypersensitivity due to positive findings in the screening and history, the thorough differential diagnosis is very important to eliminate all other forms of orofacial pain, including pulpal inflammation, periodontal pain, cracked tooth syndrome, insufficient margins of restorations, atypical odontalgia, etc.
For relatively small discrepancies between the outline of the preparation and the margin of the restoration, low and high viscous cements result in similar interface widths after cementation [ 65].
The term "secondary caries" or "recurrent caries" denotes caries at the margin of the tooth restorations, which is the most important reason for the failure of fillings [ 1- 4].
This ligament is smoothly dissected longitudinally in its more lateral portion, obtaining, after discectomy, the contact of the 2 margins with restoration of its functional integrity.
However, dentine carious lesion development at the margin of ART glass-ionomer restorations was low [ 36, 42– 42].
The deepest wear point in the most deteriorated area on the margin of each of the restorations was measured as the maximum vertical loss along the margin, the shallow point as the minimal vertical loss.
The margin of dental all-ceramic single-tooth restorations was the area of fracture origin.
A kind of restoration, then?
