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Relationship between orthodontic expertise and perception of treatment needs for maxillary protrusion: comparison of dental students, residents, and orthodontists.

AbstractINTRODUCTION:
The aims of this study were to assess the peer assessment rating (PAR) index in relation to perceived treatment needs for maxillary protrusion in Japanese subjects and to investigate how perceived orthodontic treatment needs change with increased experience in dentistry and orthodontics.
METHODS:
The subjects were 155 persons (73 men, 82 women; mean age, 24.2 years; SD, 4.7 years) including dental students, residents, and orthodontists. We showed them casts from 10 patients with untreated maxillary protrusion and gave them a questionnaire with a 100-point visual analog scale (VAS), concerning their perceptions of orthodontic treatment needs. The PAR index was used for cast evaluation.
RESULTS:
The PAR index showed significant correlations with the VAS scores. On the casts evaluated with a PAR index below 17, there was no difference in VAS scores between the 3 groups; however, orthodontists perceived significantly greater treatment needs than did students and residents on casts with a PAR index of 18 or 19. The VAS scores were significantly increased when casts with a PAR index of more than 20 and overjet above 5.0 mm were evaluated. Orthodontists and residents perceived greater treatment needs than students on assessing occlusions with severe maxillary protrusion.
CONCLUSIONS:
The PAR index is clinically useful to evaluate malocclusion, and the perception of treatment needs was significantly greater when the maxillary protrusion cast had a PAR index of more than 20 and overjet above 5.0 mm. Perceived needs for orthodontic treatment for maxillary protrusion changed with increasing experience and skills in dentistry and orthodontics.
AuthorsShingo Kuroda, Akihito Fuji, Maiko Sugie, Shizuka Uoi, Ryosuke Kondo, Ryoko Ando, Takashi Yamashiro
JournalAmerican journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics (Am J Orthod Dentofacial Orthop) Vol. 137 Issue 3 Pg. 340-5 (Mar 2010) ISSN: 1097-6752 [Electronic] United States
PMID20197170 (Publication Type: Comparative Study, Evaluation Study, Journal Article)
Copyright2010 American Association of Orthodontists. Published by Mosby, Inc. All rights reserved.
Topics
  • Adult
  • Clinical Competence (statistics & numerical data)
  • Dental Health Surveys
  • Dentists
  • Esthetics, Dental
  • Female
  • Humans
  • Internship and Residency
  • Male
  • Malocclusion (diagnosis, epidemiology)
  • Maxilla (abnormalities)
  • Needs Assessment (statistics & numerical data)
  • Observer Variation
  • Orthodontics (education, standards)
  • Orthodontics, Corrective (statistics & numerical data)
  • Peer Review
  • Prognathism (diagnosis, epidemiology)
  • Students, Dental
  • Young Adult

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