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* Demonstrate the distal surface of canine crowns and all of the first and second premolar crowns.
Primary canine relationship was evaluated and recorded as class 1: the tip of the maxillary primary canine tooth is in the same vertical plane as the distal surface of the mandibular primary canine; class 2: the tip of the maxillary primary canine tooth is mesial to the distal surface of the mandibular primary canine; class 3: the tip of maxillary primary canine is distal to the distal surface of the mandibular primary canine [9].
distal step (DS)--the distal surface of the mandibular primary second molar is located in a more distal position relative to the distal surface of the maxillary primary second molar.
Retromolar space from anterior edge of ramus AER-7 was measured up to the distal surface of the lower second molar along the occlusal plane.
Ornamentation varies not only in type but also in topography; that is, the proximal and distal ridges and the proximal and distal surfaces may have ornamentation that varies.
Intraoral examination revealed a proximal carious lesion involving the distal surface of tooth 74 and occlusal caries with 75 (Figure 1).
The depth of the impacted lower third molars in relation to the occlusal plane and the distance between the vertical ascending mandibular ramus and the distal surface of the second molar was recorded according to the Pell and Gregory classification8 (Fig 1).
Type B: Remaining obliquely worn cusp of a maxillary tooth overhanging the distal surface of its functional antagonist.
Alternatively, to facilitate the eruption of the FPM, the distal surface of the second primary molar can be reduced [Kurol, 2002].
The reason for impaction of mandibular third molar is mostly due to lack of retromolar space as found by Bjork's study that was 17% to 22%.6 The retromolar space can b assessed by measuring the distance between distal surface of mandibular second molar and anterior border of mandibular ramus.
On Intraoral examination diffuse swelling was seen in relation to 34, 35, 36, 37 region obliterating the buccal vestibule extending antero-posteriorlly from mesial surface of 33 to distal surface of 37 and superior-inferiorly from cervical region of 34 to vestibule.