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Dental implants are a viable alternative for compensating oligodontia in adolescents

Authors

  • Simone Heuberer,

    Corresponding author
    1. Department of Oral Surgery, Bernhard Gottlieb School of Dentistry, Medical University of Vienna, Vienna, Austria
    • Corresponding author:

      Simone Heuberer, DMD

      Department of Oral Surgery

      Bernhard Gottlieb School of Dentistry

      Medical University of Vienna

      Sensengasse 2 A

      1090 Vienna

      Austria

      Tel.: +43 1 40070 4101

      Fax: +43 1 40070 4109

      e-mail: simone.heuberer@meduniwien.ac.at

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  • Gabriella Dvorak,

    1. Department of Oral Surgery, Bernhard Gottlieb School of Dentistry, Medical University of Vienna, Vienna, Austria
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    • Authors contributing equally to this work.
  • Christine Mayer,

    1. Department of Oral Surgery, Bernhard Gottlieb School of Dentistry, Medical University of Vienna, Vienna, Austria
    2. Department of Theoretical Biology, University of Vienna, Vienna, Austria
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    • Authors contributing equally to this work.
  • Georg Watzek,

    1. Academy of Oral Implantology, Vienna, Austria
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    • Authors contributing equally to this work.
  • Werner Zechner

    1. Department of Oral Surgery, Bernhard Gottlieb School of Dentistry, Medical University of Vienna, Vienna, Austria
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    • Authors contributing equally to this work.

Abstract

Objectives

To clinically and radiographically evaluate dental implant treatment in adolescents with extensive oligodontia.

Methods

Patients with more than nine permanent teeth congenitally missing and implant treatment before the age of 16 years were included. Clinical follow-ups involved bleeding on probing, plaque index and peri-implant probing value. The peri-implant bone level was analysed on panoramic radiographs at time of implant treatment and at follow-up. Characteristics of the dental implants and patients were retrieved.

Results

This study involved 18 patients (nine males, nine females) having 71 dental implants. The lower left premolar was predominantly missing. The mean age at the time of dental implant treatment was 12.5 (±2.6) years. The bleeding on probing value was determined negative on 44%. The mean pocket depth was 3.6 (±1.1) mm. The peri-implant bone level correlated significantly negative with the age at time of implant placement (r = −0.346, = 0.004). The region of implant habits had no influence on peri-implant bone level. Dental implant treatment in adolescents resulted in a survival rate of 89% (63/71) and a mean loading time of 11.0 (±4.1) years. The implant crowns to be renewed resulted in 54% (9 of 18 patients, 38 of 71 crowns) after a period of 7.8 ± 4.5 years.

Conclusion

Dental implant treatment in maturing adolescents with extensive oligodontia before is supported by the data of the present study. Providing that other treatment options are considered, the areas of skeletal growth are respected and the patients are well informed. To enhance quality of life of growing children with oligodontia clinicians are asked to evaluate their long-term outcome on dental implant treatment in adolescents.

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