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Sökning: onr:"swepub:oai:gup.ub.gu.se/61009" > Relapse tendency af...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00003574naa a2200589 4500
001oai:gup.ub.gu.se/61009
003SwePub
008240528s2006 | |||||||||||000 ||eng|
009oai:DiVA.org:mau-39492
024a https://gup.ub.gu.se/publication/610092 URI
024a https://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-394922 URI
040 a (SwePub)gud (SwePub)mau
041 a eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Naraghi, Sasan4 aut
2451 0a Relapse tendency after orthodontic correction of upper front teeth retained with a bonded retainer.
264 1c 2006
520 a OBJECTIVE: To investigate the amount and pattern of relapse of maxillary front teeth previously retained with a bonded retainer. MATERIALS AND METHODS: The study group consisted of 135 study casts from 45 patients. Recordings from study models before treatment (T1), at debonding (T2), and 1 year after removal of the retainer (T3) were present. All patients had been treated with fixed edgewise appliances. The irregularity index (sum of contact point displacement [CPD]) and rotations of front teeth toward the raphe line were calculated at T1, T2, and T3. RESULTS: The mean irregularity index at T1 was 10.1 (range 3.0-29.9, SD 5.4). At T2 it was 0.7 (range 0.0-2.1, SD 0.7), and at T3 it was 1.4 (range 0.0-5.1, SD 1.2). Fifty-five teeth in 42 patients were corrected more than 20 degrees between T1 and T2 (mean correction 31.4 degrees range 20.0-61.7), and mean relapse in this group was 7.3 degrees (range 0.0-20.5). Regarding alignment of the maxillary front teeth, the contact relationship between the laterals and centrals seems to be the most critical. A significant positive correlation was found between the amount of correction of incisor rotation and the magnitude of relapse but not between the amount of correction of CPD and the magnitude of relapse. Eighty-four percent of the overcorrected CPDs returned to a desired position. CONCLUSIONS: Minor or no relapse was noted at the 1-year follow-up.
650 7a MEDICIN OCH HÄLSOVETENSKAPx Klinisk medicinx Odontologi0 (SwePub)302162 hsv//swe
650 7a MEDICAL AND HEALTH SCIENCESx Clinical Medicinex Dentistry0 (SwePub)302162 hsv//eng
653 a Adolescent
653 a Adult
653 a Cephalometry
653 a Cuspid
653 a pathology
653 a Dental Arch
653 a pathology
653 a Follow-Up Studies
653 a Humans
653 a Incisor
653 a pathology
653 a Malocclusion
653 a pathology
653 a therapy
653 a Maxilla
653 a Orthodontic Appliances
653 a Orthodontic Retainers
653 a Recurrence
653 a Rotation
653 a Serial Extraction
653 a Time Factors
653 a Tooth Movement
653 a instrumentation
700a Andrén, Anders4 aut
700a Kjellberg, Heidrun,d 1953u Gothenburg University,Göteborgs universitet,Institutionen för odontologi,Institute of Odontology4 aut0 (Swepub:gu)xkjehe
700a Mohlin, Bengt,d 1944u Gothenburg University,Göteborgs universitet,Institutionen för odontologi,Institute of Odontology4 aut0 (Swepub:gu)xmohbe
710a Göteborgs universitetb Institutionen för odontologi4 org
773t The Angle orthodontistg 76:4, s. 570-6q 76:4<570-6x 0003-3219x 1945-7103
8564 8u https://gup.ub.gu.se/publication/61009
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-39492

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