{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T03:06:13Z","timestamp":1788231973018,"version":"build-2803163510"},"reference-count":69,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"7","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2021,7]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Third molar impaction, if left untreated, has the potential to cause several complications. The evaluation of surgical difficulty of impacted third molar extraction aids in better formulation of treatment plan by minimizing surgical complications.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective:<\/jats:title>\n                    <jats:p>This study aimed to determine the prevalence of third molar impaction and related pathologic conditions in a cohort of patients living in North-eastern Peninsular Malaysia.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>\n                      In this retrospective study, 490 orthopantomograms (OPGs) of patients who were referred to the Oral and Maxillofacial Surgery department between January 2010 and December 2019 were assessed. Data including age, gender, ethnicity, frequency of third molar impactions, their angulations and levels of eruption, retromolar space, and associated pathologic conditions were collected. Statistical analysis was performed using the Statistical Package for Social Sciences (SPSS) version 24.0. The significance level was set to\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.05.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      A total of 490 patients with a mean age of 28.87 years (range: 20\u201364) demonstrated 1957 impacted third molars (1022 mandibular + 935 maxillary). Impacted third molars were more likely present in females than males (1:2.20) (p &lt; 0.05); and in Malay-ethnic (44.49%) patients followed by Chinese (34.45%) and Indians (21.02%). Mesioangular was the most common angulation of impaction both in the maxilla (24.68%) and mandible (18.34%). The most common pattern of third molar impaction was IIA (61.67%), and the retromolar space was significantly larger in males (13.6 mm;\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.05) than females (11.6 mm). The most frequently occurring pathological condition associated with third molars impaction is dental caries in the second or third molar (15.38%).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>This study highlights mesioangular impaction with their occlusal plane at the same level as the occlusal plane of the adjacent tooth being the most prevalent pattern of third molar impaction in North-eastern Peninsular Malaysia.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.4103\/njcp.njcp_499_20","type":"journal-article","created":{"date-parts":[[2023,8,21]],"date-time":"2023-08-21T00:56:17Z","timestamp":1692579377000},"page":"1028-1036","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":15,"title":["Pattern of Third Molar Impactions in North-Eastern Peninsular Malaysia"],"prefix":"10.4103","volume":"24","author":[{"given":"P","family":"Ahmad","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"T","family":"V'Vian","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"FA","family":"Chaudhary","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A","family":"Chaudhary","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"AA","family":"Haseeb","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"MA","family":"Yaqoob","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"JA","family":"Asif","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","reference":[{"key":"R1-10-20240907","first-page":"151","article-title":"Incidence of impacted mandibular third molars in population of Bosnia and Herzegovina: A retrospective radiographic study","volume":"3","author":"\u0160e\u010di\u0107","year":"2013","journal-title":"J Health Sci"},{"key":"R2-10-20240907","doi-asserted-by":"crossref","first-page":"169","DOI":"10.1159\/000442416","article-title":"Assessment of third molar impaction pattern and associated clinical symptoms in a central anatolian Turkish population","volume":"25","author":"Yilmaz","year":"2016","journal-title":"Med Princ Pract"},{"key":"R3-10-20240907","doi-asserted-by":"crossref","first-page":"109","DOI":"10.2147\/CCIDE.S12394","article-title":"Pattern of third molar impaction in a Saudi population","volume":"2","author":"Hassan","year":"2010","journal-title":"Clin Cosmet Investig Dent"},{"key":"R4-10-20240907","doi-asserted-by":"crossref","first-page":"127","DOI":"10.5577\/intdentres.2019.vol9.no3.6","article-title":"A radiographic evaluation of impacted third molar teeth of patients in the South-east of Turkey: A retrospective study","volume":"9","author":"\u00c7olak","year":"2019","journal-title":"Int Dent Res"},{"key":"R5-10-20240907","first-page":"e108","article-title":"Predictive factors of difficulty in lower third molar extraction: A prospective cohort study","volume":"22","author":"Alvira-Gonz\u00e1lez","year":"2017","journal-title":"Med Oral Patol Oral Cir Bucal"},{"key":"R6-10-20240907","doi-asserted-by":"crossref","first-page":"145","DOI":"10.4103\/0972-1363.195125","article-title":"Radiographic assessment of distribution of mandibular third molar impaction: A retrospective study","volume":"28","author":"Nagaraj","year":"2016","journal-title":"J Ind Acad Oral Med Radiol"},{"key":"R7-10-20240907","doi-asserted-by":"crossref","first-page":"171","DOI":"10.21608\/edj.2015.71259","article-title":"Pattern of impacted third molars and their associated radiographic pathological lesions in Makkah region: A retrospective radiographic survey","volume":"65","author":"Barakat","year":"2019","journal-title":"Egypt Dent J"},{"key":"R10-10-20240907","first-page":"B660","article-title":"Report on a ten-year study of a tooth division technique for the removal of impacted teeth","volume":"28","author":"Pell","year":"1942","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"R11-10-20240907","doi-asserted-by":"crossref","first-page":"e41","DOI":"10.1016\/j.tripleo.2008.02.013","article-title":"Prevalence of commonly found pathoses associated with mandibular impacted third molars based on panoramic radiographs in Turkish population","volume":"105","author":"Polat","year":"2008","journal-title":"Oral Surg Oral Med Oral Pathol Oral Radiol Endod"},{"key":"R12-10-20240907","doi-asserted-by":"crossref","first-page":"79","DOI":"10.1007\/s12663-016-0929-z","article-title":"Impacted mandibular third molars: A retrospective study of 1198 cases to assess indications for surgical removal, and correlation with age, sex and type of impaction\u2014A single institutional experience","volume":"16","author":"Patel","year":"2017","journal-title":"J Maxillofac Oral Surg"},{"key":"R13-10-20240907","doi-asserted-by":"crossref","first-page":"548","DOI":"10.1016\/S0901-5027(03)90413-9","article-title":"Pattern of third molar impaction in a Singapore Chinese population: A retrospective radiographic survey","volume":"32","author":"Quek","year":"2003","journal-title":"Int J Oral Maxillofac Surg"},{"key":"R14-10-20240907","doi-asserted-by":"crossref","first-page":"e140","DOI":"10.4317\/medoral.18028","article-title":"Incidence of impacted mandibular and maxillary third molars: A radiographic study in a Southeast Iran population","volume":"18","author":"Hashemipour","year":"2013","journal-title":"Med Oral Patol Oral Cir Bucal"},{"key":"R15-10-20240907","doi-asserted-by":"crossref","first-page":"76","DOI":"10.1016\/j.jobcr.2014.04.001","article-title":"Incidence of impacted third molars: A radiographic study in People's Hospital, Bhopal, India","volume":"4","author":"Pillai","year":"2014","journal-title":"J Oral Biol Craniofac Res"},{"key":"R16-10-20240907","first-page":"ZC65","article-title":"Prevalence and difficulty index associated with the 3rd mandibular molar impaction among Malaysian ethnicities: A clinico-radiographic study","volume":"9","author":"Mahdey","year":"2015","journal-title":"J Clin Diagn Res"},{"key":"R17-10-20240907","doi-asserted-by":"crossref","first-page":"1598","DOI":"10.1016\/j.joms.2005.11.102","article-title":"Pathology associated with impacted mandibular third molars in a group of Jordanians","volume":"64","author":"Al-Khateeb","year":"2006","journal-title":"J Oral Maxillofac Surg"},{"key":"R18-10-20240907","first-page":"121","article-title":"The prevalence of third molars in a Swedish population: An epidemiological study","volume":"5","author":"Hugoson","year":"1988","journal-title":"Commun Dent Health"},{"key":"R19-10-20240907","doi-asserted-by":"crossref","first-page":"143","DOI":"10.1067\/moe.2000.103527","article-title":"Is the mandibular third molar a risk factor for mandibular angle fracture?","volume":"89","author":"Ma'aita","year":"2000","journal-title":"Oral Surg Oral Med Oral Pathol Oral Radiol Endod"},{"key":"R20-10-20240907","doi-asserted-by":"crossref","first-page":"e4","DOI":"10.1016\/j.tripleo.2005.10.050","article-title":"Minor complications after mandibular third molar surgery: Type, incidence, and possible prevention","volume":"102","author":"Kim","year":"2006","journal-title":"Oral Surg Oral Med Oral Pathol Oral Radiol Endod"},{"key":"R21-10-20240907","first-page":"38","article-title":"Relationship between craniofacial architecture and retained lower third molar. Its' symptomatology","volume":"63","author":"Bozzatello","year":"2006","journal-title":"Rev Fac Cien Med Univ Nac Cordoba"},{"key":"R22-10-20240907","doi-asserted-by":"crossref","first-page":"37","DOI":"10.1186\/1472-6831-13-37","article-title":"Pattern of occurrence and treatment of impacted teeth at the Muhimbili National Hospital, Dar es Salaam, Tanzania","volume":"13","author":"Msagati","year":"2013","journal-title":"BMC Oral Health"},{"key":"R23-10-20240907","first-page":"17","article-title":"Incidence of impacted mandibular third molars among dental patients in Nairobi, Kenya","volume":"32","author":"Mwaniki","year":"1996","journal-title":"Pathology"},{"key":"R24-10-20240907","doi-asserted-by":"crossref","first-page":"885","DOI":"10.1016\/S0099-6963(30)90010-5","article-title":"Incidence of impacted teeth","volume":"16","author":"Mead","year":"1930","journal-title":"Int J Orthodont Oral Surg Radiography"},{"key":"R25-10-20240907","doi-asserted-by":"crossref","first-page":"320","DOI":"10.1111\/j.1834-7819.2008.00073.x","article-title":"The incidence of mandibular third molar impactions in different skeletal face types","volume":"53","author":"Breik","year":"2008","journal-title":"Aus Dent J"},{"key":"R26-10-20240907","first-page":"7","article-title":"Prevalence of impacted third molars in dental students","volume":"13","author":"Schersten","year":"1989","journal-title":"Swed Dent J"},{"key":"R27-10-20240907","doi-asserted-by":"crossref","first-page":"54","DOI":"10.1054\/ijom.2000.0002","article-title":"Radiographic follow-up of impacted third molars from age 20 to 32 years","volume":"30","author":"Vent\u00e4","year":"2001","journal-title":"Int J Oral Maxillofac Surg"},{"key":"R28-10-20240907","first-page":"548","article-title":"Retrospective demographic study on tooth impaction in a Malaysian sample","volume":"12","author":"Kashmoola","year":"2019","journal-title":"J Int Dent Med Res"},{"key":"R29-10-20240907","doi-asserted-by":"crossref","first-page":"189","DOI":"10.1111\/ors.12342","article-title":"The correlation between mandibular third molar and mandibular angle fracture among patients in Hospital Universiti Sains Malaysia","volume":"11","author":"Asif","year":"2018","journal-title":"Oral Surg"},{"key":"R30-10-20240907","first-page":"53","article-title":"Mandibular third molar impaction and dental caries among patients attending Hospital Universiti Sains Mslaysia (HUSM)","volume":"16","author":"Rahman","year":"2009","journal-title":"Int Med J"},{"key":"R31-10-20240907","first-page":"353","article-title":"A comparative study on radiographic analysis of impacted third molars among three ethnic groups of patients attending AIMST Dental Institute, Malaysia","volume":"10","author":"Kanneppady","year":"2013","journal-title":"Dent Res J"},{"key":"R32-10-20240907","first-page":"194","article-title":"Pattern of mandibular third molar impaction in Malaysia population and their association with gender, age and race","volume":"13","author":"Shareif","year":"2020","journal-title":"J Int Dent Med Res"},{"key":"R33-10-20240907","first-page":"103","article-title":"Maxillary arch and central incisor dimensions of an ethnic Chinese population in relation to complete denture prosthodontics","volume":"46","author":"Keng","year":"1996","journal-title":"Int Dent J"},{"key":"R34-10-20240907","first-page":"122","article-title":"Panoramic radiographic survey: A study of embedded third molars","volume":"29","author":"Morris","year":"1971","journal-title":"J Oral Surg"},{"key":"R35-10-20240907","doi-asserted-by":"crossref","first-page":"102","DOI":"10.1111\/j.2041-1626.2010.00041.x","article-title":"Prevalence of impacted teeth in a Greek population","volume":"2","author":"Gisakis","year":"2011","journal-title":"J Investig Clin Dent"},{"key":"R36-10-20240907","first-page":"203","article-title":"Evaluation of impacted 3rd molars in Indian ethinicity on panoramic radiograph-A cross sectional study","volume":"2","author":"Chaurasia","year":"2016","journal-title":"J Oral Med Oral Surg Oral Pathol Oral Radiol"},{"key":"R37-10-20240907","doi-asserted-by":"crossref","first-page":"12","DOI":"10.5005\/johcd-4-1-12","article-title":"Epidemiological status of 3rd molars-their clinical implications","volume":"4","author":"Shetty","year":"2010","journal-title":"J Oral Health Comm Dent"},{"key":"R38-10-20240907","doi-asserted-by":"crossref","first-page":"24","DOI":"10.1016\/S1079-2104(05)80068-X","article-title":"Impaction status of third molars in Jordanian students","volume":"79","author":"Hattab","year":"1995","journal-title":"Oral Surg Oral Med Oral Pathol Oral Radiol and Endod"},{"key":"R39-10-20240907","doi-asserted-by":"crossref","first-page":"237","DOI":"10.1016\/0030-4220(70)90091-5","article-title":"The incidence of impacted teeth: A survey at Harlem Hospital","volume":"29","author":"Kramer","year":"1970","journal-title":"Oral Surg Oral Med Oral Pathol Oral Radiol"},{"key":"R40-10-20240907","first-page":"13","article-title":"A retrospective radiographic survey of pathology associated with impacted third molars among patients seen in Oral & Maxillofacial Surgery Clinic of College of Dentistry, Riyadh","volume":"7","author":"Khawaja","year":"2015","journal-title":"J Int Oral Health"},{"key":"R41-10-20240907","doi-asserted-by":"crossref","first-page":"142","DOI":"10.1016\/S1079-2104(05)80270-7","article-title":"Diseases and lesions associated with third molars: Review of 1001 cases","volume":"79","author":"van der Linden","year":"1995","journal-title":"Oral Surg Oral Med Oral Pathol Oral Radiol Endod"},{"key":"R42-10-20240907","doi-asserted-by":"crossref","first-page":"10","DOI":"10.1016\/S1079-2104(96)80371-4","article-title":"Pathoses associated with mandibular third molars subjected to removal","volume":"82","author":"Knutsson","year":"1996","journal-title":"Oral Surg Oral Med Oral Pathol Oral Radiol Endod"},{"key":"R43-10-20240907","doi-asserted-by":"crossref","first-page":"3","DOI":"10.1016\/j.joms.2004.05.217","article-title":"Panoramic radiographic findings as predictors of inferior alveolar nerve exposure following third molar extraction","volume":"63","author":"Sedaghatfar","year":"2005","journal-title":"J Oral Maxillofac Surg"},{"key":"R44-10-20240907","doi-asserted-by":"crossref","first-page":"648","DOI":"10.2174\/1874210601711010648","article-title":"A cohort study of the patterns of third molar impaction in panoramic radiographs in Saudi population","volume":"11","author":"Al-Dajani","year":"2017","journal-title":"Open Dent J"},{"key":"R46-10-20240907","doi-asserted-by":"crossref","first-page":"71","DOI":"10.5005\/jcdp-7-2-71","article-title":"The relationship of the inferior dental canal to the roots of impacted mandibular third molars in a Jordanian population","volume":"7","author":"Hazza'a","year":"2006","journal-title":"J Contemp Dent Pract"},{"key":"R47-10-20240907","doi-asserted-by":"crossref","first-page":"e161","DOI":"10.1016\/j.oooo.2011.12.019","article-title":"Pattern of mandibular third molar impaction in the Indian population: A retrospective clinico-radiographic survey","volume":"116","author":"Padhye","year":"2013","journal-title":"Oral Surg Oral Med Oral Pathol Oral Radiol"},{"key":"R48-10-20240907","first-page":"24","article-title":"A radiographic four-year follow-up study of asymptomatic mandibular third molars in young adults","volume":"40","author":"Sewerin","year":"1990","journal-title":"Int Dent J"},{"key":"R49-10-20240907","doi-asserted-by":"crossref","first-page":"320","DOI":"10.1016\/0889-5406(92)70047-E","article-title":"Changes in lower third molar position in the young adult","volume":"102","author":"Richardson","year":"1992","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"R50-10-20240907","doi-asserted-by":"crossref","first-page":"150","DOI":"10.1067\/moe.2001.115461","article-title":"Third molar outcomes from age 18 to 26: Findings from a population-based New Zealand longitudinal study","volume":"92","author":"Kruger","year":"2001","journal-title":"Oral Surg Oral Med Oral Pathol Oral Radiol Endod"},{"key":"R51-10-20240907","doi-asserted-by":"crossref","first-page":"640","DOI":"10.1016\/j.joms.2004.12.014","article-title":"Radiographic evaluation of the status of third molars in the Asian-Indian students","volume":"63","author":"Sandhu","year":"2005","journal-title":"J Oral Maxillofac Surg"},{"key":"R52-10-20240907","doi-asserted-by":"crossref","first-page":"231","DOI":"10.1179\/bjo.2.4.231","article-title":"The development of third molar impaction","volume":"2","author":"Richardson","year":"1975","journal-title":"Br J Orthod"},{"key":"R53-10-20240907","doi-asserted-by":"crossref","first-page":"161","DOI":"10.1016\/S0099-2399(06)81411-1","article-title":"Anatomical relationship of the mandibular canal to its surrounding structures in mature mandibles","volume":"18","author":"Denio","year":"1992","journal-title":"J Endod"},{"key":"R54-10-20240907","doi-asserted-by":"crossref","first-page":"1616","DOI":"10.1016\/j.joms.2017.03.037","article-title":"Can preoperative intramuscular single-dose dexamethasone improve patient-centered outcomes following third molar surgery?","volume":"75","author":"Al-Dajani","year":"2017","journal-title":"J Oral Maxillofac Surg"},{"key":"R55-10-20240907","doi-asserted-by":"crossref","first-page":"159","DOI":"10.1016\/0889-5406(92)70008-X","article-title":"Impacted maxillary canines: A review","volume":"101","author":"Bishara","year":"1992","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"R56-10-20240907","doi-asserted-by":"crossref","first-page":"29","DOI":"10.1016\/j.ijom.2007.06.008","article-title":"Factors influencing the prophylactic removal of asymptomatic impacted lower third molars","volume":"37","author":"Almendros-Marqu\u00e9s","year":"2008","journal-title":"Int J Oral Maxillofac Surg"},{"key":"R57-10-20240907","doi-asserted-by":"crossref","first-page":"312","DOI":"10.14219\/jada.archive.2004.0179","article-title":"Reliability of panoramic radiography in evaluating the topographic relationship between the mandibular canal and impacted third molars","volume":"135","author":"Monaco","year":"2004","journal-title":"J Am Dent Assoc"},{"key":"R59-10-20240907","first-page":"155","article-title":"Lower third molar space","volume":"57","author":"Richardson","year":"1987","journal-title":"Angle Orthod"},{"key":"R60-10-20240907","doi-asserted-by":"crossref","first-page":"231","DOI":"10.3109\/00016355609019762","article-title":"Mandibular growth and third molar impaction","volume":"14","author":"Bj\u00f6rk","year":"1956","journal-title":"Acta Odontol Scand"},{"key":"R61-10-20240907","doi-asserted-by":"crossref","first-page":"688","DOI":"10.1016\/0030-4220(93)90035-3","article-title":"Prognosis of third molar eruption","volume":"76","author":"Ganss","year":"1993","journal-title":"Oral Surg Oral Med Oral Pathol"},{"key":"R62-10-20240907","doi-asserted-by":"crossref","first-page":"259","DOI":"10.1016\/0266-4356(91)90194-A","article-title":"Assessing the eruption of lower third molars on the basis of radiographic features","volume":"29","author":"Vent\u00e4","year":"1991","journal-title":"Br J Oral Maxillofac Surg"},{"key":"R63-10-20240907","first-page":"e388","article-title":"Prevalence and pattern of third molar impaction: A retrospective study of radiographs in Oman","volume":"14","author":"Al-Anqudi","year":"2014","journal-title":"Sultan Qaboos Univ Med J"},{"key":"R64-10-20240907","first-page":"16","article-title":"Impacted third molars and associated pathology in Jordanian patients","volume":"12","author":"Ma'aita","year":"2000","journal-title":"Saudi Dent J"},{"key":"R65-10-20240907","doi-asserted-by":"crossref","first-page":"R713","DOI":"10.1016\/j.cub.2017.05.064","article-title":"Animal communication: When i'm calling you, will you answer too?","volume":"27","author":"Vickers","year":"2017","journal-title":"Curr Biol"},{"key":"R67-10-20240907","doi-asserted-by":"crossref","first-page":"2","DOI":"10.4103\/dmr.dmr_20_17","article-title":"Pathologies associated with impacted mandibular third molars in SubSaharan Africans","volume":"6","author":"Braimah","year":"2018","journal-title":"Dent Med Res"},{"key":"R68-10-20240907","doi-asserted-by":"crossref","first-page":"150714.e1","DOI":"10.1016\/j.joms.2011.09.049","article-title":"Molecular analysis of 16S rRNA genes identifies potentially periodontal pathogenic bacteria and archaea in the plaque of partially erupted third molars","volume":"70","author":"Mansfield","year":"2012","journal-title":"J Oral Maxillofac Surg"},{"key":"R69-10-20240907","doi-asserted-by":"crossref","first-page":"20812","DOI":"10.4103\/0970-9290.42952","article-title":"Pathosis associated with radiographically normal follicular tissues in third molar impactions: A clinicopathological study","volume":"19","author":"Mesgarzadeh","year":"2008","journal-title":"Indian J Dent Res"},{"key":"R70-10-20240907","doi-asserted-by":"crossref","first-page":"38590","DOI":"10.4103\/0970-9290.70809","article-title":"Histopathologic changes in soft tissue associated with radiographically normal impacted third molars","volume":"21","author":"Kotrashetti","year":"2010","journal-title":"Indian J Dent Res"},{"key":"R71-10-20240907","first-page":"e92936","article-title":"Soft tissue pathosis associated with asymptomatic impacted lower third molars","volume":"16","author":"Sim\u015fekKaya","year":"2011","journal-title":"Med Oral Patol Oral Cir Bucal"},{"key":"R72-10-20240907","doi-asserted-by":"crossref","first-page":"2214","DOI":"10.1016\/0030-4220(81)90047-5","article-title":"Does an impacted tooth cause root resorption of the adjacent one?","volume":"51","author":"Nitzan","year":"1981","journal-title":"Oral Surg Oral Med Oral Pathol"},{"key":"R73-10-20240907","doi-asserted-by":"crossref","first-page":"27985","DOI":"10.1016\/S0901-5027(05)80109-2","article-title":"A longterm, followup, radiographic evaluation of asymptomatic impacted third molars in orthodontically treated patients","volume":"23","author":"Kahl","year":"1994","journal-title":"Int J Oral Maxillofac Surg"},{"key":"R74-10-20240907","doi-asserted-by":"crossref","first-page":"1169","DOI":"10.1111\/j.1600-0528.1991.tb00124.x","article-title":"Prevalence of impacted teeth and associated pathology in middleaged and older Swedish women","volume":"19","author":"Ahlqwist","year":"1991","journal-title":"Community Dent Oral Epidemiol"}],"container-title":["Nigerian Journal of Clinical Practice"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.ovid.com\/10.4103\/njcp.njcp_499_20","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T15:32:12Z","timestamp":1787758332000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.ovid.com\/10.4103\/njcp.njcp_499_20"}},"subtitle":["A 10-Year Retrospective Study"],"short-title":[],"issued":{"date-parts":[[2021,7]]},"references-count":69,"journal-issue":{"issue":"7","published-print":{"date-parts":[[2021]]}},"URL":"https:\/\/doi.org\/10.4103\/njcp.njcp_499_20","relation":{},"ISSN":["1119-3077"],"issn-type":[{"value":"1119-3077","type":"print"}],"subject":[],"published":{"date-parts":[[2021,7]]}}}