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Repost from ORTHODONTIC -5-
سلايد مهم جداً جداً
🟧 Flush terminal plane: When the
distal surfaces
of maxillary and mandibular
deciduous second molars are in the same vertical plane
🟧 Mesial step:
Distal surface of mandibular deciduous second molar is mesial to the distal surface of maxillary deciduous second molar,
it usually develop into
◾a class I relationship
━━━━━━━━━━━━━━━
🟩Distal step:
Distal surface of mandibular deciduous second molar is more distal than the distal surface of maxillary deciduous second molar, usually it leads to
◾class II molar relationships
Repost from ORTHODONTIC -5-
Whan Z spring indicated and how to activition
هذا احد الأسئله الي انذكرت بآخر محاضرة
ومرشح يجي
Repost from ORTHODONTIC -5-
وضروري ضروري
تكتبون
to establish class I molar relationship by utilization of the leeway space.
