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The effects of impacted premaxillary supernumerary teeth on permanent incisors.
Imaging Sci Dent. 2016 Dec; 46(4):251-258.IS

Abstract

PURPOSE

The aim of this study was to examine the radiographic features associated with impacted premaxillary supernumerary teeth, to determine the relationship between their characteristics and their effects on permanent incisors, and to investigate the types of orthodontic treatment that patients received after the extraction of impacted supernumerary teeth.

MATERIALS AND METHODS

The clinical records and radiographs of 193 patients whose impacted premaxillary supernumerary teeth were removed were retrospectively reviewed, and 241 impacted supernumerary teeth were examined. Cone-beam computed tomographic images and panoramic radiographs were examined to determine the number, location, sagittal position, orientation, and morphology of the supernumerary teeth. Their effects on permanent incisors and the orthodontic treatment received by patients after the extraction of the supernumeraries were also investigated.

RESULTS

Supernumerary teeth were most frequently observed in the central incisor region, in the palatal position, in the inverted orientation, and were most commonly conical in shape. The most common complication was median diastema, followed by displacement and delayed eruption of the adjacent incisors. Ten (71.4%) of the 14 odontomas showed delayed eruption of the adjacent incisors. Displacement of the incisors was more frequently observed in association with supernumerary teeth with tuberculate or supplemental shapes. Orthodontic traction was most frequently performed after the removal of odontomas. In 32 cases (13.3%), permanent incisors erupted after the orthodontic creation of sufficient space.

CONCLUSION

Median diastema was most common complication. The delayed eruption of incisors was common in supernumerary teeth with a vertical orientation and an odontoma shape.

Authors+Show Affiliations

Department of Oral and Maxillofacial Radiology, School of Dentistry, Pusan National University, Yangsan, Korea.Department of Pediatric Dentistry, School of Dentistry, Pusan National University, Yangsan, Korea.Department of Oral and Maxillofacial Radiology, School of Dentistry, Pusan National University, Yangsan, Korea.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

28035303

Citation

Jung, Yun-Hoa, et al. "The Effects of Impacted Premaxillary Supernumerary Teeth On Permanent Incisors." Imaging Science in Dentistry, vol. 46, no. 4, 2016, pp. 251-258.
Jung YH, Kim JY, Cho BH. The effects of impacted premaxillary supernumerary teeth on permanent incisors. Imaging Sci Dent. 2016;46(4):251-258.
Jung, Y. H., Kim, J. Y., & Cho, B. H. (2016). The effects of impacted premaxillary supernumerary teeth on permanent incisors. Imaging Science in Dentistry, 46(4), 251-258. https://doi.org/10.5624/isd.2016.46.4.251
Jung YH, Kim JY, Cho BH. The Effects of Impacted Premaxillary Supernumerary Teeth On Permanent Incisors. Imaging Sci Dent. 2016;46(4):251-258. PubMed PMID: 28035303.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The effects of impacted premaxillary supernumerary teeth on permanent incisors. AU - Jung,Yun-Hoa, AU - Kim,Ji-Yeon, AU - Cho,Bong-Hae, Y1 - 2016/12/20/ PY - 2016/08/29/received PY - 2016/09/20/revised PY - 2016/09/25/accepted PY - 2016/12/31/entrez PY - 2016/12/31/pubmed PY - 2016/12/31/medline KW - Cone-Beam Computed Tomography KW - Maxilla KW - Tooth, Supernumerary SP - 251 EP - 258 JF - Imaging science in dentistry JO - Imaging Sci Dent VL - 46 IS - 4 N2 - PURPOSE: The aim of this study was to examine the radiographic features associated with impacted premaxillary supernumerary teeth, to determine the relationship between their characteristics and their effects on permanent incisors, and to investigate the types of orthodontic treatment that patients received after the extraction of impacted supernumerary teeth. MATERIALS AND METHODS: The clinical records and radiographs of 193 patients whose impacted premaxillary supernumerary teeth were removed were retrospectively reviewed, and 241 impacted supernumerary teeth were examined. Cone-beam computed tomographic images and panoramic radiographs were examined to determine the number, location, sagittal position, orientation, and morphology of the supernumerary teeth. Their effects on permanent incisors and the orthodontic treatment received by patients after the extraction of the supernumeraries were also investigated. RESULTS: Supernumerary teeth were most frequently observed in the central incisor region, in the palatal position, in the inverted orientation, and were most commonly conical in shape. The most common complication was median diastema, followed by displacement and delayed eruption of the adjacent incisors. Ten (71.4%) of the 14 odontomas showed delayed eruption of the adjacent incisors. Displacement of the incisors was more frequently observed in association with supernumerary teeth with tuberculate or supplemental shapes. Orthodontic traction was most frequently performed after the removal of odontomas. In 32 cases (13.3%), permanent incisors erupted after the orthodontic creation of sufficient space. CONCLUSION: Median diastema was most common complication. The delayed eruption of incisors was common in supernumerary teeth with a vertical orientation and an odontoma shape. SN - 2233-7822 UR - https://www.unboundmedicine.com/medline/citation/28035303/The_effects_of_impacted_premaxillary_supernumerary_teeth_on_permanent_incisors_ L2 - https://isdent.org/DOIx.php?id=10.5624/isd.2016.46.4.251 DB - PRIME DP - Unbound Medicine ER -
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