1. causes of SPACING
Amin Abusallamah

2. Natural development
• Teeth are usually gapped when they first come
through. The emergence of the canine.

3. Microdontia
• Small sized teeth create
extra space available
between teeth.

4. Missing teeth
• some children are
born missing one or
two teeth in their
jaws. A missing tooth
can cause spacing

5. Habits
thumb sucking tongue thrusting

6. supernumerary
• Mesiodens which presence between the
upper centrals cause mid line displacement..

7. Alveolar size
• alveolar size is the primary factors that
determine the status of the permanent dental
arch. If it too large spacing.

8. Physiological spacing
(ugly duckling stage )
• The maxillary central incisors can
also be quite distally inclined when
they first erupt, which produces a
midline diastema between them.
• the maxillary incisor apices being
initially quite close together when
lateral pressure from the erupting
maxillary lateral incisors & canines .

9. Reverence
• mccdonald's
pediatric dentistry
text book