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- Publisher Website: 10.1016/j.ijom.2018.11.005
- Scopus: eid_2-s2.0-85058657774
- PMID: 30578156
- WOS: WOS:000470192700013
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Article: Risk factors for root resorption of second molars associated with impacted mandibular third molars
Title | Risk factors for root resorption of second molars associated with impacted mandibular third molars |
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Authors | |
Keywords | Root resorption Cone beam computed tomography Wisdom tooth Third molar Second molar |
Issue Date | 2019 |
Publisher | Elsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/ijom |
Citation | International Journal of Oral and Maxillofacial Surgery, 2019, v. 48 n. 6, p. 801-809 How to Cite? |
Abstract | External root resorption (ERR) affecting mandibular second molars (M2) may occur when the adjacent third molar (M3) is impacted in close proximity. This retrospective cohort study aimed to assess the presence, severity, and location of ERR on M2 due to M3 using cone beam computed tomography (CBCT) scans and to identify associated factors. The angle between the axis of M2 and M3 was measured. ERR on M2 was classified as absent, slight, moderate, or severe. The location of contact between M3 and M2, the size of the dental follicle, and patient demographic characteristics were recorded. A total of 433 patients with 640 M3 were included. A male predilection was found with regard to ERR (P = 0.0004). ERR was identified on 31.9% of M2 and was slight in 30.2%, moderate in 1.4%, and severe in 0.3% of cases. The presence of ERR was associated with direct contact between M2 and M3 (P < 0.0001), the angle between M2 and M3 (P < 0.0001), the inclination of M3 (P = 0.001), and the location of contact (P = 0.0005). This study showed ERR to be a frequent finding. ERR is associated with a mesioangular position of M3 in more than one third of cases, and a proximity ≤0.5 mm between M2 and M3 favours ERR. |
Persistent Identifier | http://hdl.handle.net/10722/274804 |
ISSN | 2023 Impact Factor: 2.2 2023 SCImago Journal Rankings: 0.875 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Suter, VGA | - |
dc.contributor.author | Rivola, M | - |
dc.contributor.author | Schriber, M | - |
dc.contributor.author | Leung, YY | - |
dc.contributor.author | Bornstein, MM | - |
dc.date.accessioned | 2019-09-10T02:29:07Z | - |
dc.date.available | 2019-09-10T02:29:07Z | - |
dc.date.issued | 2019 | - |
dc.identifier.citation | International Journal of Oral and Maxillofacial Surgery, 2019, v. 48 n. 6, p. 801-809 | - |
dc.identifier.issn | 0901-5027 | - |
dc.identifier.uri | http://hdl.handle.net/10722/274804 | - |
dc.description.abstract | External root resorption (ERR) affecting mandibular second molars (M2) may occur when the adjacent third molar (M3) is impacted in close proximity. This retrospective cohort study aimed to assess the presence, severity, and location of ERR on M2 due to M3 using cone beam computed tomography (CBCT) scans and to identify associated factors. The angle between the axis of M2 and M3 was measured. ERR on M2 was classified as absent, slight, moderate, or severe. The location of contact between M3 and M2, the size of the dental follicle, and patient demographic characteristics were recorded. A total of 433 patients with 640 M3 were included. A male predilection was found with regard to ERR (P = 0.0004). ERR was identified on 31.9% of M2 and was slight in 30.2%, moderate in 1.4%, and severe in 0.3% of cases. The presence of ERR was associated with direct contact between M2 and M3 (P < 0.0001), the angle between M2 and M3 (P < 0.0001), the inclination of M3 (P = 0.001), and the location of contact (P = 0.0005). This study showed ERR to be a frequent finding. ERR is associated with a mesioangular position of M3 in more than one third of cases, and a proximity ≤0.5 mm between M2 and M3 favours ERR. | - |
dc.language | eng | - |
dc.publisher | Elsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/ijom | - |
dc.relation.ispartof | International Journal of Oral and Maxillofacial Surgery | - |
dc.subject | Root resorption | - |
dc.subject | Cone beam computed tomography | - |
dc.subject | Wisdom tooth | - |
dc.subject | Third molar | - |
dc.subject | Second molar | - |
dc.title | Risk factors for root resorption of second molars associated with impacted mandibular third molars | - |
dc.type | Article | - |
dc.identifier.email | Leung, YY: mleung04@hku.hk | - |
dc.identifier.email | Bornstein, MM: bornst@hku.hk | - |
dc.identifier.authority | Leung, YY=rp01522 | - |
dc.identifier.authority | Bornstein, MM=rp02217 | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1016/j.ijom.2018.11.005 | - |
dc.identifier.pmid | 30578156 | - |
dc.identifier.scopus | eid_2-s2.0-85058657774 | - |
dc.identifier.hkuros | 303465 | - |
dc.identifier.volume | 48 | - |
dc.identifier.issue | 6 | - |
dc.identifier.spage | 801 | - |
dc.identifier.epage | 809 | - |
dc.identifier.isi | WOS:000470192700013 | - |
dc.publisher.place | United Kingdom | - |
dc.identifier.issnl | 0901-5027 | - |