Accuracy and precision in the radiographic diagnosis of clinical instability in Brånemark dental implants.
Identifieur interne : 00A579 ( Main/Exploration ); précédent : 00A578; suivant : 00A580Accuracy and precision in the radiographic diagnosis of clinical instability in Brånemark dental implants.
Auteurs : S. Sundén [Suède] ; K. Gröndahl ; H G GröndahlSource :
- Clinical oral implants research [ 0905-7161 ] ; 1995.
Descripteurs français
- KwdFr :
- Biais de l'observateur, Courbe ROC, Défaillance de prothèse, Humains, Implants dentaires, Modèles linéaires, Mâchoire édentée (imagerie diagnostique), Ostéo-intégration, Pose d'implant dentaire endo-osseux, Processus alvéolaire (imagerie diagnostique), Radiographie dentaire (normes), Reproductibilité des résultats, Rétention de prothèse dentaire (), Statistique non paramétrique, Valeur prédictive des tests, Évaluation de résultat (soins).
- MESH :
- imagerie diagnostique : Mâchoire édentée, Processus alvéolaire.
- normes : Radiographie dentaire.
- Biais de l'observateur, Courbe ROC, Défaillance de prothèse, Humains, Implants dentaires, Modèles linéaires, Ostéo-intégration, Pose d'implant dentaire endo-osseux, Reproductibilité des résultats, Rétention de prothèse dentaire, Statistique non paramétrique, Valeur prédictive des tests, Évaluation de résultat (soins).
English descriptors
- KwdEn :
- Alveolar Process (diagnostic imaging), Dental Implantation, Endosseous, Dental Implants, Dental Prosthesis Retention (statistics & numerical data), Humans, Jaw, Edentulous (diagnostic imaging), Linear Models, Observer Variation, Osseointegration, Outcome Assessment (Health Care), Predictive Value of Tests, Prosthesis Failure, ROC Curve, Radiography, Dental (standards), Reproducibility of Results, Statistics, Nonparametric.
- MESH :
- chemical : Dental Implants.
- diagnostic imaging : Alveolar Process, Jaw, Edentulous.
- standards : Radiography, Dental.
- statistics & numerical data : Dental Prosthesis Retention.
- Dental Implantation, Endosseous, Humans, Linear Models, Observer Variation, Osseointegration, Outcome Assessment (Health Care), Predictive Value of Tests, Prosthesis Failure, ROC Curve, Reproducibility of Results, Statistics, Nonparametric.
Abstract
The aim was to evaluate accuracy and precision in the radiographic diagnosis of clinical instability in Brånemark dental implants. In two clinics specialized in the Brånemark osseointegration technique we identified all patients in whom lack of clinical stability of one or more fixtures had been observed during a 5-year period. Radiographs of these fixtures (n=62) were mixed with radiographs of clinically stable fixtures (n=158). Eight observers were asked to determine whether or not a perifixtural radiolucency was seen by means of a 5-point rating scale expressing the confidence with which the presence or absence of a radiolucency was determined. Receiver operator characteristic analysis was used to calculate the A(z) values and the variability in A(z) values between and within observers was determined. In addition, we evaluated the agreement in rating codes within observers between repeat examinations. The A(z) values (mean=0.844 at the first reading and 0.856 at the second) indicated that the accuracy in radiographic diagnosis of clinical fixture instability was at least as good as that associated with other radiographic tasks such as approximal caries diagnosis and diagnosis of small periodontal bone lesions. Interobserver variability was larger than intraobserver variability. Intraobserver agreement in rating codes was relatively high and less than an average of 6% of all ratings differed with two rating codes or more. Despite the relatively good diagnostic accuracy, the probability of predicting clinical fixture instability from a radiographic examination can be low in populations with a low prevalence of fixtures showing clinical instability.
PubMed: 8603113
Affiliations:
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Sundén</name><affiliation wicri:level="4"><nlm:affiliation>Department of Oral Diagnostic Radiology, Faculty of Odontology, Göteborg University, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Oral Diagnostic Radiology, Faculty of Odontology, Göteborg University</wicri:regionArea><placeName><settlement type="city">Göteborg</settlement><region nuts="1">Götaland</region><region nuts="1">Suède occidentale</region></placeName><orgName type="university">Université de Göteborg</orgName></affiliation></author><author><name sortKey="Grondahl, K" sort="Grondahl, K" uniqKey="Grondahl K" first="K" last="Gröndahl">K. 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In two clinics specialized in the Brånemark osseointegration technique we identified all patients in whom lack of clinical stability of one or more fixtures had been observed during a 5-year period. Radiographs of these fixtures (n=62) were mixed with radiographs of clinically stable fixtures (n=158). Eight observers were asked to determine whether or not a perifixtural radiolucency was seen by means of a 5-point rating scale expressing the confidence with which the presence or absence of a radiolucency was determined. Receiver operator characteristic analysis was used to calculate the A(z) values and the variability in A(z) values between and within observers was determined. In addition, we evaluated the agreement in rating codes within observers between repeat examinations. The A(z) values (mean=0.844 at the first reading and 0.856 at the second) indicated that the accuracy in radiographic diagnosis of clinical fixture instability was at least as good as that associated with other radiographic tasks such as approximal caries diagnosis and diagnosis of small periodontal bone lesions. Interobserver variability was larger than intraobserver variability. Intraobserver agreement in rating codes was relatively high and less than an average of 6% of all ratings differed with two rating codes or more. Despite the relatively good diagnostic accuracy, the probability of predicting clinical fixture instability from a radiographic examination can be low in populations with a low prevalence of fixtures showing clinical instability.</div></front></TEI><affiliations><list><country><li>Suède</li></country><region><li>Götaland</li><li>Suède occidentale</li></region><settlement><li>Göteborg</li></settlement><orgName><li>Université de Göteborg</li></orgName></list><tree><noCountry><name sortKey="Grondahl, H G" sort="Grondahl, H G" uniqKey="Grondahl H" first="H G" last="Gröndahl">H G Gröndahl</name><name sortKey="Grondahl, K" sort="Grondahl, K" uniqKey="Grondahl K" first="K" last="Gröndahl">K. Gröndahl</name></noCountry><country name="Suède"><region name="Götaland"><name sortKey="Sunden, S" sort="Sunden, S" uniqKey="Sunden S" first="S" last="Sundén">S. Sundén</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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