Teeth eruption and loss

Most children get their first tooth around age 6 months and start losing primary teeth around the age of six years. The eruption of the permanent teeth is around the same age. The early or late eruption may be a feature of a rare condition

Loss of teeth before age 4 may be a feature of:

A late eruption of permanent teeth may be a feature of 


Last modified
17 February 2020
Premature loss of primary incisors without preceding root resorption. It has been described that primary incisor showed hypoplastic root cementum in the individual with Coffin...
Delayed exchange of primary teeth by permanent teeth, complicated by multiple impacted permanent and supernumerary teeth combined with severe malocclusion and crossbite, may need treatment...
Failure of eruption of teeth in CCD may need orthodontic treatment
Rare Condition

Coffin Lowry Syndrome

Coffin Lowry syndrome is a rare genetic disorder characterized by

  • mental retardation;
  • abnormalities of the head and facial (craniofacial) area;
  • large, soft hands with short...

Cleidocranial Dysplasia or Dysostosis

The most common features of  cleidocranial dysplasia/ dysostosis are among others:

  • patency of the anterior fontanelle,
  • an inverted pear-shaped skull,
  • hypertelorism (wide-spaced eyes),
  • general backward placement...