Violation
A lingual approach for a conservative class III preparation for a composite resin requires
maintenance of the incisal contact area
a retentive internal form
parallelism of the incisal and gingival walls
All of the above
A lingual approach for a conservative class III preparation for a composite resin requires
maintenance of the incisal contact area
a retentive internal form
parallelism of the incisal and gingival walls
All of the above