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Tooth formation - delayed or absent

Delayed or absent tooth formation; Teeth - delayed or absent formation

 

When a person's teeth grow in, they may be delayed or not occur at all.

Considerations

 

The age at which a tooth comes in varies. Most infants get their first tooth between 6 and 9 months, but it may be earlier or later.

Sometimes, children or adults are missing teeth they never developed. Cosmetic or orthodontic dentistry can correct this problem.

 

Causes

 

Specific diseases can affect tooth shape, tooth color, when they grow in, or tooth absence. Delayed or absent tooth formation can result from many different conditions, including:

  • Apert syndrome
  • Cleidocranial dysostosis
  • Down syndrome
  • Ectodermal dysplasia
  • Ellis-van Creveld syndrome
  • Hypothyroidism
  • Hypoparathyroidism
  • Incontinentia pigmenti achromians
  • Progeria

 

When to Contact a Medical Professional

 

Talk to your health care provider if your child has not developed any teeth by 9 months of age.

 

What to Expect at Your Office Visit

 

The provider will perform a physical exam. This will include a detailed look at your child's mouth and gums. You will be asked questions such as:

  • In what order did the teeth emerge?
  • At what age did other family members develop teeth?
  • Are any other family members missing teeth that never "came in"?
  • What other symptoms are present?

An infant with delayed or absent tooth formation may have other symptoms and signs that indicate a specific medical condition.

Medical tests are not often needed. Most of the time, delayed tooth formation is normal. Dental x-rays may be done.

 

 

References

Dean JA, Turner EG. Eruption of the teeth: local, systemic, and congenital factors that influence the process. In: Dean JA, ed. McDonald and Avery's Dentistry for the Child and Adolescent. 10th ed. St. Louis, MO: Elsevier Mosby; 2016:chap 19.

Tinanoff N. Development and developmental anomalies of the teeth. In: Kliegman RM, Stanton BF, St Geme JW, Schor NF, eds. Nelson Textbook of Pediatrics. 20th ed. Philadelphia, PA: Elsevier; 2015:chap 307.

 
  • Tooth anatomy

    Tooth anatomy - illustration

    The structure of the tooth includes dentin, pulp and other tissues, blood vessels and nerves imbedded in the bony jaw. Above the gum line, the tooth is protected by the hard enamel covering.

    Tooth anatomy

    illustration

  • Development of baby teeth

    Development of baby teeth - illustration

    Ages that a baby tooth emergesTYPE OF TOOTHUPPER TOOTH ERUPTS BY LOWER TOOTH ERUPTS BY Central incisor8-10 Months 6-9 MonthsLateral incisor8-10 Months15-21 MonthsCanine (Cuspid)16-20 Months15-21 MonthsFirst molar15-21 Months15-21 MonthsSecond molar20-24 Months20-24 Months Ages that a baby tooth emerges TYPE OF TOOTHUPPER TOOTH ERUPTS BY LOWER TOOTH ERUPTS BY Central incisor8-10 Months 6-9 MonthsLateral incisor8-10 Months15-21 MonthsCanine (Cuspid)16-20 Months15-21 MonthsFirst molar15-21 Months15-21 MonthsSecond molar20-24 Months20-24 Months TYPE OF TOOTHUPPER TOOTH ERUPTS BY LOWER TOOTH ERUPTS BY TYPE OF TOOTH TYPE OF TOOTH TYPE OF TOOTH UPPER TOOTH ERUPTS BY UPPER TOOTH ERUPTS BY UPPER TOOTH ERUPTS BY LOWER TOOTH ERUPTS BY LOWER TOOTH ERUPTS BY LOWER TOOTH ERUPTS BY Central incisor8-10 Months 6-9 Months Central incisor Central incisor 8-10 Months 8-10 Months 6-9 Months 6-9 Months Lateral incisor8-10 Months15-21 Months Lateral incisor Lateral incisor 8-10 Months 8-10 Months 15-21 Months 15-21 Months Canine (Cuspid)16-20 Months15-21 Months Canine (Cuspid) Canine (Cuspid) 16-20 Months 16-20 Months 15-21 Months 15-21 Months First molar15-21 Months15-21 Months First molar First molar 15-21 Months 15-21 Months 15-21 Months 15-21 Months Second molar20-24 Months20-24 Months Second molar Second molar 20-24 Months 20-24 Months 20-24 Months 20-24 Months

    Development of baby teeth

    illustration

  • Development of permanent teeth

    Development of permanent teeth - illustration

    Ages that permanent teeth emergeTYPE OF TOOTHUPPER TOOTH ERUPTS BY LOWER TOOTH ERUPTS BY Central incisor7-8 years6-7 yearsLateral incisor8-9 years7-8 yearsCanine (Cuspid)11-12 years9-10 yearsFirst premolar (first bicuspid)10-11 years10-12 yearsSecond premolar (second bicuspid)10-12 years11-12 yearsFirst molar6-7 years6-7 yearsSecond molar12-13 years11-13 yearsThird molar (wisdom teeth)17-21 years17-21 years Ages that permanent teeth emerge TYPE OF TOOTHUPPER TOOTH ERUPTS BY LOWER TOOTH ERUPTS BY Central incisor7-8 years6-7 yearsLateral incisor8-9 years7-8 yearsCanine (Cuspid)11-12 years9-10 yearsFirst premolar (first bicuspid)10-11 years10-12 yearsSecond premolar (second bicuspid)10-12 years11-12 yearsFirst molar6-7 years6-7 yearsSecond molar12-13 years11-13 yearsThird molar (wisdom teeth)17-21 years17-21 years TYPE OF TOOTHUPPER TOOTH ERUPTS BY LOWER TOOTH ERUPTS BY TYPE OF TOOTH TYPE OF TOOTH TYPE OF TOOTH UPPER TOOTH ERUPTS BY UPPER TOOTH ERUPTS BY UPPER TOOTH ERUPTS BY LOWER TOOTH ERUPTS BY LOWER TOOTH ERUPTS BY LOWER TOOTH ERUPTS BY Central incisor7-8 years6-7 years Central incisor Central incisor 7-8 years 7-8 years 6-7 years 6-7 years Lateral incisor8-9 years7-8 years Lateral incisor Lateral incisor 8-9 years 8-9 years 7-8 years 7-8 years Canine (Cuspid)11-12 years9-10 years Canine (Cuspid) Canine (Cuspid) 11-12 years 11-12 years 9-10 years 9-10 years First premolar (first bicuspid)10-11 years10-12 years First premolar (first bicuspid) First premolar (first bicuspid) 10-11 years 10-11 years 10-12 years 10-12 years Second premolar (second bicuspid)10-12 years11-12 years Second premolar (second bicuspid) Second premolar (second bicuspid) 10-12 years 10-12 years 11-12 years 11-12 years First molar6-7 years6-7 years First molar First molar 6-7 years 6-7 years 6-7 years 6-7 years Second molar12-13 years11-13 years Second molar Second molar 12-13 years 12-13 years 11-13 years 11-13 years Third molar (wisdom teeth)17-21 years17-21 years Third molar (wisdom teeth) Third molar (wisdom teeth) 17-21 years 17-21 years 17-21 years 17-21 years

    Development of permanent teeth

    illustration

    • Tooth anatomy

      Tooth anatomy - illustration

      The structure of the tooth includes dentin, pulp and other tissues, blood vessels and nerves imbedded in the bony jaw. Above the gum line, the tooth is protected by the hard enamel covering.

      Tooth anatomy

      illustration

    • Development of baby teeth

      Development of baby teeth - illustration

      Ages that a baby tooth emergesTYPE OF TOOTHUPPER TOOTH ERUPTS BY LOWER TOOTH ERUPTS BY Central incisor8-10 Months 6-9 MonthsLateral incisor8-10 Months15-21 MonthsCanine (Cuspid)16-20 Months15-21 MonthsFirst molar15-21 Months15-21 MonthsSecond molar20-24 Months20-24 Months Ages that a baby tooth emerges TYPE OF TOOTHUPPER TOOTH ERUPTS BY LOWER TOOTH ERUPTS BY Central incisor8-10 Months 6-9 MonthsLateral incisor8-10 Months15-21 MonthsCanine (Cuspid)16-20 Months15-21 MonthsFirst molar15-21 Months15-21 MonthsSecond molar20-24 Months20-24 Months TYPE OF TOOTHUPPER TOOTH ERUPTS BY LOWER TOOTH ERUPTS BY TYPE OF TOOTH TYPE OF TOOTH TYPE OF TOOTH UPPER TOOTH ERUPTS BY UPPER TOOTH ERUPTS BY UPPER TOOTH ERUPTS BY LOWER TOOTH ERUPTS BY LOWER TOOTH ERUPTS BY LOWER TOOTH ERUPTS BY Central incisor8-10 Months 6-9 Months Central incisor Central incisor 8-10 Months 8-10 Months 6-9 Months 6-9 Months Lateral incisor8-10 Months15-21 Months Lateral incisor Lateral incisor 8-10 Months 8-10 Months 15-21 Months 15-21 Months Canine (Cuspid)16-20 Months15-21 Months Canine (Cuspid) Canine (Cuspid) 16-20 Months 16-20 Months 15-21 Months 15-21 Months First molar15-21 Months15-21 Months First molar First molar 15-21 Months 15-21 Months 15-21 Months 15-21 Months Second molar20-24 Months20-24 Months Second molar Second molar 20-24 Months 20-24 Months 20-24 Months 20-24 Months

      Development of baby teeth

      illustration

    • Development of permanent teeth

      Development of permanent teeth - illustration

      Ages that permanent teeth emergeTYPE OF TOOTHUPPER TOOTH ERUPTS BY LOWER TOOTH ERUPTS BY Central incisor7-8 years6-7 yearsLateral incisor8-9 years7-8 yearsCanine (Cuspid)11-12 years9-10 yearsFirst premolar (first bicuspid)10-11 years10-12 yearsSecond premolar (second bicuspid)10-12 years11-12 yearsFirst molar6-7 years6-7 yearsSecond molar12-13 years11-13 yearsThird molar (wisdom teeth)17-21 years17-21 years Ages that permanent teeth emerge TYPE OF TOOTHUPPER TOOTH ERUPTS BY LOWER TOOTH ERUPTS BY Central incisor7-8 years6-7 yearsLateral incisor8-9 years7-8 yearsCanine (Cuspid)11-12 years9-10 yearsFirst premolar (first bicuspid)10-11 years10-12 yearsSecond premolar (second bicuspid)10-12 years11-12 yearsFirst molar6-7 years6-7 yearsSecond molar12-13 years11-13 yearsThird molar (wisdom teeth)17-21 years17-21 years TYPE OF TOOTHUPPER TOOTH ERUPTS BY LOWER TOOTH ERUPTS BY TYPE OF TOOTH TYPE OF TOOTH TYPE OF TOOTH UPPER TOOTH ERUPTS BY UPPER TOOTH ERUPTS BY UPPER TOOTH ERUPTS BY LOWER TOOTH ERUPTS BY LOWER TOOTH ERUPTS BY LOWER TOOTH ERUPTS BY Central incisor7-8 years6-7 years Central incisor Central incisor 7-8 years 7-8 years 6-7 years 6-7 years Lateral incisor8-9 years7-8 years Lateral incisor Lateral incisor 8-9 years 8-9 years 7-8 years 7-8 years Canine (Cuspid)11-12 years9-10 years Canine (Cuspid) Canine (Cuspid) 11-12 years 11-12 years 9-10 years 9-10 years First premolar (first bicuspid)10-11 years10-12 years First premolar (first bicuspid) First premolar (first bicuspid) 10-11 years 10-11 years 10-12 years 10-12 years Second premolar (second bicuspid)10-12 years11-12 years Second premolar (second bicuspid) Second premolar (second bicuspid) 10-12 years 10-12 years 11-12 years 11-12 years First molar6-7 years6-7 years First molar First molar 6-7 years 6-7 years 6-7 years 6-7 years Second molar12-13 years11-13 years Second molar Second molar 12-13 years 12-13 years 11-13 years 11-13 years Third molar (wisdom teeth)17-21 years17-21 years Third molar (wisdom teeth) Third molar (wisdom teeth) 17-21 years 17-21 years 17-21 years 17-21 years

      Development of permanent teeth

      illustration

    A Closer Look

     

      Self Care

       

        Tests for Tooth formation - delayed or absent

         

           

          Review Date: 2/22/2016

          Reviewed By: Michael Kapner, DDS, general and aesthetic dentistry, Norwalk Medical Center, Norwalk, CT. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.

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