Cited by 140Dental Implant Techniques and Outcomesdental development and anomaliesDental Radiography and Imaging

Prospective clinical trial of dental implants in persons with ectodermal dysplasia

Guckes, Albert D., Scurria, Mark S., King, Tonya S., McCarthy, George R., Brahim, Jaime S.·2002·The Journal of Prosthetic Dentistry

Abstract

Statement of problems Ectodermal dysplasia is a hereditary condition in which hypodontia is the second most frequently occurring sign. Hypodontia is associated with lack of development of the alveolar ridge and results in less volume of bone for support of conventional prostheses. Minimal development of the alveolar ridge can affect the bone volume available for the placement of dental implants. Purpose This clinical trial evaluated the survival of implants placed in individuals with a form of ectodermal dysplasia and severe hypodontia. Material and methods Two hundred sixty-four titanium endosteal dental implants were placed in 51 subjects: 37 males and 14 females between the ages of 8 and 68 (mean age 20.5 years, median age 16.5 years). Two hundred forty-three implants were placed in the anterior mandible, and 21 were placed in the anterior maxilla with a 2-stage surgical protocol. Either fixed-detachable dentures or bar-clip overdentures were provided. Subjects were followed up for 0 to 78 months after second-stage surgery. Kaplan-Meier survival rates and curves were produced to describe the survival of the implants for the different age groups and implant locations. Repeated-measures Cox regression models were used to evaluate the hazard ratios for age and location, with alpha=.05 as the criteria for significance. Results Of the 243 implants placed in the anterior mandible, 221 (91%) survived. Of the 21 implants placed in the anterior maxilla, 16 (76%) survived. Fourteen of the 51 (27%) subjects had a failed implant. All but 2 failures occurred before or at second-stage surgery. Implant-supported prostheses were provided for all patients. Conclusion Within the limitations of this study, the results support the continued use of endosteal dental implants in this patient population with appropriate precautions in the maxilla.

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Crossref · 10.1067/mpr.2002.127099

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Authors
Guckes, A. D., Scurria, M. S., King, T. S., McCarthy, G. R., & Brahim, J. S.
Affiliations
University of North Carolina at Chapel Hill (US)
Venue
The Journal of Prosthetic Dentistry
Publisher
Elsevier BV
Published
2002-07
Volume
88
Issue
1
Pages
21-25
ISSN
0022-3913 (ISSN-L)
OpenAlex
W2053405080
Cited by
138
References
23
Citations by year
2026: 2 · 2025: 7 · 2024: 5 · 2023: 5 · 2022: 4 · 2021: 5 · 2020: 5 · 2019: 4 · 2018: 5 · 2017: 6 · 2016: 6 · 2015: 10 · 2014: 7 · 2013: 10 · 2012: 13
FWCI
3.64
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Prosthetic Dentistry (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Dentistry › Oral Surgery › Dental Implant Techniques and Outcomes
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › dental development and anomalies
  • Health Sciences › Dentistry › Oral Surgery › Dental Radiography and Imaging
Keywords
ectodermal dysplasia, tooth agenesis, dental implants, implant survival, alveolar ridge, endosseous implants, titanium implants, implant failure, anterior mandible, anterior maxilla, two-stage surgery
MeSH terms
Adolescent, Adult, Age Factors, Aged, Anodontia, Child, Dental Implantation, Endosseous, Denture Design, Denture Retention, Denture, Overlay, Ectodermal Dysplasia, Female, Follow-Up Studies, Humans, Male, Mandible, Maxilla, Middle Aged, Prospective Studies, Titanium, Dental Implants, Confidence Intervals, Proportional Hazards Models, Odds Ratio, Survival Analysis, Dental Prosthesis, Implant-Supported, Dental Restoration Failure

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