The relationship between facial bone wall defects and dimensional alterations of the ridge following flapless tooth extraction in the anterior maxilla Library My List My List Loading items... Go to my list Log In Log in with your UoM account Problems logging in with your UoM account? or Guest login Email address Password No UoM account? Click here to register a guest account. Have you forgotten your guest credentials? Library Staff Alumni Library LMS Handbook Contact and maps FAQs Communities & Collections Browse Repository Statistics My Lists search Search My List My List Loading items... Go to my list Log In Log in with your UoM account Problems logging in with your UoM account? or Guest login Email address Password No UoM account? Click here to register a guest account. Have you forgotten your guest credentials? Home Minerva Access Medicine, Dentistry & Health Sciences Melbourne Dental School Melbourne Dental School - Research Publications The relationship between facial bone wall defects and dimensional alterations of the ridge following flapless tooth extraction in the anterior maxilla The relationship between facial bone wall defects and dimensional alterations of the ridge following flapless tooth extraction in the anterior maxilla Simple item page dc.contributor.author Chen, ST dc.contributor.author Darby, I dc.date.accessioned 2021-11-16T23:56:49Z dc.date.available 2021-11-16T23:56:49Z dc.date.issued 2017-08-01 dc.description.abstract PURPOSE: To evaluate the relationship between defects of the facial socket wall at extraction and dimensional changes 8 weeks later in maxillary central and lateral incisor sockets. MATERIALS AND METHODS: A total of 34 consecutive patients requiring single tooth implants in the anterior maxilla (27 central and 7 lateral incisors) were evaluated. Orofacial external ridge, bone dimensions and the location of the socket bone crest were measured at extraction and again 8.5 ± 2.91 weeks later. The status of the facial bone wall was recorded at the same time points. RESULTS: At extraction, 16 of 34 sites (47%) had intact facial bone. There were fenestration defects at 9 of 34 sites (26.5%) and dehiscence defects at 9 of 34 sites (26.5%). A significant reduction (P < 0.001) in the external orofacial ridge dimension occurred (mesial 1.4 ± 1.30 mm or 12.1%, facial 2.5 ± 1.46 mm or 22.2%, distal 1.1 ± 0.83 mm or 10.5%), with greatest change at dehiscence (3.3 ± 1.80 mm or 28.4%) and fenestration sites (2.8 ± 1.40 mm or 24.9%). A significant reduction in orofacial bone dimension occurred (mesial 0.8 ± 0.80 mm or 9.3%, P < 0.001; facial 1.2 ± 1.03 mm or 18.3%, P < 0.001; distal 0.4 ± 0.65 mm or 5.5%, P < 0.01). Vertical resorption of the bone crest was most marked at the mid-facial aspect (1.4 ± 1.94 mm, P < 0.001). Initial fenestration defect sites demonstrated the greatest vertical dimensional change (2.9 ± 2.67 mm; P = 0.008). Of 16 sites with initially intact facial bone, 9 sites (56.3%) developed dehiscence defects after 8 weeks. Of the 9 initial sites with fenestration defects, 5 (55.6%) turned into dehiscence defects. All 9 sites with initial dehiscence defects healed with persistence of the dehiscence. CONCLUSIONS: Eight weeks after flapless extraction of maxillary central and lateral incisors, a reduction in the orofacial dimensions of the ridge was observed due to resorption of the facial bone of the socket. Tooth type (maxillary central incisor) and thin tissue phenotype significantly influenced the outcomes. The dimensional alterations were most pronounced at sites that initially had fenestration and dehiscence defects of the facial bone. dc.identifier.citation Chen, S. T. & Darby, I. (2017). The relationship between facial bone wall defects and dimensional alterations of the ridge following flapless tooth extraction in the anterior maxilla. CLINICAL ORAL IMPLANTS RESEARCH, 28 (8), pp.931-937. https://doi.org/10.1111/clr.12899. dc.identifier.doi 10.1111/clr.12899 dc.identifier.eissn 1600-0501 dc.identifier.issn 0905-7161 dc.identifier.uri http://hdl.handle.net/11343/291942 dc.language English dc.publisher WILEY dc.title The relationship between facial bone wall defects and dimensional alterations of the ridge following flapless tooth extraction in the anterior maxilla dc.type Journal Article melbourne.accessrights Open Access melbourne.affiliation.department Melbourne Dental School melbourne.affiliation.faculty Medicine, Dentistry & Health Sciences melbourne.contributor.author Darby, Ivan melbourne.contributor.author Chen, Stephen melbourne.elementsid 1082853 melbourne.internal.authorids Darby, Ivan; 6901A; 15264; 0000-0002-6457-5327 melbourne.internal.authorids Chen, Stephen; 12916A; 11119 melbourne.source.issue 8 melbourne.source.pages 931-937 melbourne.source.title Clinical Oral Implants Research melbourne.source.volume 28 Files in this item Original bundle Now showing 1 - 1 of 1 Name: clr.12899.pdf Size: 378.3 KB Format: Adobe Portable Document Format Description: Accepted version Download Snippets: Collections Melbourne Dental School - Research Publications Minerva Elements Records Show statistical information Library Twitter Library Facebook Library Instagram Library Blogs Library Contacts University Search Search Current students Staff Alumni Faculty Faculties & graduate schools Location Maps Library Library Campaign Support the campaign Phone Contact us Jobs Jobs Follow us on: Facebook Facebook Twitter Twitter Linkedin LinkedIn Phone: 13 MELB (13 6352) International: +61 3 9035 5511 ABN: 84 002 705 224 CRICOS Provider Code: 00116K (visa information) Emergency information | Online terms and privacy | Accessibility | Privacy Site Map Study at Melbourne Find a course Admissions, fees & applications International students Virtual campus tour Connect with us Accommodation About us Strategy and governance Tradition of excellence International connections Campuses and facilities Structure and governance Policy and publications Careers at Melbourne Supplying to the University Contact & Maps Enquiries Media Find an expert Campus maps Traffic, parking & bicycles Alumni & friends Benefits & services Give Volunteer 3010: alumni magazine Research Research institutes Find an expert or supervisor Graduate researchers Pursuit: our research showcase Engagement Events Sports facilities Shop Close panel We acknowledge and pay respect to the Traditional Owners of the lands upon which our campuses are situated.
