In the facial and lingual
aspect the permanent teeth are ________ shaped with the base of crown at
cervical margin being ________ of uneven side.
Trapezoid; shortest. The
working surface is longest of the uneven side of the trapezoid
A single opposing tooth in
the opposite arch is
Mandibular central
incisors; Permanent maxillary third molars; Deciduous maxillary second
molars. Each tooth in dental arch has two antagonists in the opposite arch
except the above mentioned teeth.
From the mesial and distal
aspect the permanent anterior teeth are
The point at which the
contact area is bisected will depend on the
Outline form of occlusal
aspect; Alignment of teeth; Occlusal relation
Normal intact interproximal
spaces are
A buccal view of an
interproximal contact area will demonstrate the size and location of the
contact in the
Mesiodistal aspect
The embrasure (s) formed by
2 teeth in the same arch when in contact, their curvature adjacent to the
contact area will form the
Occlusal embrasure; Facial
and lingual embrasure; Gingival embrasure
Normal intact healthy
interproximal spaces are filled by
Inter dental papillae
Radiographic distance
between from crest of alveolar bone to cementoenamel junction in a healthy
intact dentition is approximately
1 to 1.5 millimeters
The factors that maintain
the gingival tissue in spite of micro-trauma and microbial invasion include
Keratinization of gingival;
Density of gingival; Elasticity of gingiva


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