MyMedR

The safety zone for mini-implant maxillary anchorage in Mongoloids

Wey MC, Shim CN, Lee MY, Jamaluddin M, Ngeow WC

Aust Orthod J, 2012 May;28(1):17-21.

This study aimed to establish a safety zone for the placement of mini-implants in the buccal surface between the second maxillary premolar (PM2) and first maxillary molar (M1) of Mongoloids.

Matched MeSH terms: Alveolar Process/surgery

Hypoglossia congenita with anterior maxillo-mandibular fusion

Arshad AR, Goh CS

Br J Plast Surg, 1994 Mar;47(2):139-41.

PMID: 8149059

Two cases of hypoglossia congenita with anterior maxillo-mandibular fusion are reported. One is a case of hypoglossia with anterior maxillo-mandibular fusion and the other is a case of hypoglossia-hypodactylia with anterior maxillo-mandibular fusion. This condition presents the anaesthetist with the problem of airway management during the surgery. A simple technique using a nasopharyngeal tube was used for these two cases, with satisfactory results.

Matched MeSH terms: Alveolar Process/surgery

Mandibular reconstruction: experience with the free vascularized fibula transfer

Khanijow VK, Ahmad TS, Lian CB, Jalaludin MA

Microsurgery, 1993;14(6):375-9.

PMID: 8371683

Mandibular resection, following surgery for tumor or osteoradionecrosis, leaves a patient with a swallowing, speech, and cosmetic disability. Repair of the oromandibular defect is difficult and various prostheses and grafts have been used and reported. The most popular form of mandibular reconstruction is the use of the free, vascularized bone transfer. We report our experience with the free vascularized fibula bone transfer in eight patients.

Matched MeSH terms: Alveolar Process/surgery

Evaluation of bone healing following immediate and delayed dental implant placement

Younis L, Taher A, Abu-Hassan MI, Tin O

J Contemp Dent Pract, 2009;10(4):35-42.

PMID: 19575052

The purpose of this study was to compare bone healing and coronal bone remodeling following both immediate and delayed placement of titanium dental implants in extraction sockets.

Matched MeSH terms: Alveolar Process/surgery*

Patient-reported outcome and its association with attachment type and bone volume in mandibular implant overdenture

Khalid T, Yunus N, Ibrahim N, Elkezza A, Masood M

Clin Oral Implants Res, 2017 May;28(5):535-542.

PMID: 26989853 DOI: 10.1111/clr.12831

OBJECTIVE: To determine oral health-related quality of life (OHRQoL) and denture satisfaction (DS) in patients provided with mandibular implant-supported overdentures (ISOD) retained by two different attachment types, and the association of mandibular bone volume with the change in patient-reported outcome, before and after implant treatment.

MATERIAL AND METHODS: Thirty-four patients (mean age 60.70  ±  8.7 years) received telescopic crown or locator attachments for ISOD and completed OHIP-14 (Malaysian version) and DS questionnaires, at baseline (T0 ) with new conventional complete dentures (CCD) and 3 months (T1 ) and 3 years (T2 ) after ISOD conversion. Mandibular bone volume was calculated from cone beam computed tomography (CBCT) datasets using Mimics software. Mean changes (MC) in OHIP-14 and DS at intervals were analyzed using the Wilcoxon signed-rank test and effect size (ES). The association of bone volume, implant attachment type, and other patient variables with the change in OHIP-14 and DS were determined using multivariate linear regression analysis.

RESULTS: The MC in OHIP-14 and DS scores from T0 to T1 and T2 showed significant improvement with moderate and large ES, respectively. Regression analyses for the change in OHIP-14 score from T0 to T2 showed significant association with implant attachment type (P = 0.043), bone volume (P = 0.004), and baseline OHIP-14 (P = 0.001), while for DS, the association was only significant with baseline DS score (P = 0.001).

CONCLUSION: Improvement in patients' OHRQoL and satisfaction with ISOD was associated with their baseline ratings. Mandibular bone volume had a stronger association for improvement in OHRQoL compared to type of attachment.

Matched MeSH terms: Alveolar Process/surgery

When should elective neck dissection be performed in maxillary gingival and alveolar squamous cell carcinoma with a cN0 neck? A systematic review

Tang L, Leung YY

Int J Oral Maxillofac Surg, 2016 Nov;45(11):1358-1365.

PMID: 27289248 DOI: 10.1016/j.ijom.2016.05.021

The purpose of this systematic review was to answer the clinical question "When should elective neck dissection be performed in maxillary gingival and alveolar squamous cell carcinoma with a cN0 neck?" A systematic review, designed in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement, was conducted by two independent reviewers with three rounds of search and evaluation. Ten studies with 506 patients were included in the final review. The overall risk of cervical metastasis was 23.2% for those who did not receive an elective neck dissection (END), which was 3.4 times higher than that in the END group (6.8%). The 5-year survival rate was higher in those who had an END (80.3%) when compared to those who did not receive an END (67.4%). Overall, 14.1% of the cases with cN0 maxillary squamous cell carcinoma (SCC) presented with positive node(s) in pathological specimens after END. The risk of occult cervical metastasis in a cN0 maxillary SCC case with pathological stage pT1, pT2, pT3, and pT4 was 11.1%, 12.1%, 20%, and 36.1%, respectively. It is therefore concluded that END is recommended in patients with cN0 maxillary SCC, especially in stage T3 or T4 cases.

Matched MeSH terms: Alveolar Process/surgery*

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