Abstract:
:The aim of this study was to biomechanically evaluate the primary stability of pure titanium orthodontic mini-implants, inserted into pre-drilled cavities of differing diameters. Mini-implants (1.2 mm diameter) were placed into 1.0 mm and 1.2 mm diameter cavities prepared in the mid-region of the bilateral hind leg femurs of anesthetized beagles. Removal torque strengths were measured immediately, 1, 3, 6, 9 and 12 weeks post-insertion of the implant. For mini-implants placed into 1-mm cavities, removal torque values decrease over the first 6 weeks (p<0.01), after which values remained static. Average values obtained immediately, 1, 3 and 6 weeks post-insertion were 10.98, 8.83, 7.20 and 5.12 Ncm, respectively . Immediately post-insertion, removal torque values of mini-implants placed in a 1.2-mm cavity, were 11-fold lower than those placed in 1.0-mm cavities, which then demonstrated a significant increase in strength from 3 weeks (1.35 Ncm) to 6 weeks (5.17 Ncm) post-insertion (p<0.01). Measurements 6, 9 and 12 weeks post-insertion were similar to those in the 1.0-mm cavity. Initial stability of titanium mini-implants is considered necessary for immediate and early use in orthodontics, and an implant without this initial stability should be replaced or isolated until it develops the appropriate stability supported by osseointegration.
journal_name
Int J Oral Maxillofac Surgjournal_title
International journal of oral and maxillofacial surgeryauthors
Okazaki J,Komasa Y,Sakai D,Kamada A,Ikeo T,Toda I,Suwa F,Inoue M,Etoh Tdoi
10.1016/j.ijom.2008.04.007subject
Has Abstractpub_date
2008-07-01 00:00:00pages
647-50issue
7eissn
0901-5027issn
1399-0020pii
S0901-5027(08)00147-1journal_volume
37pub_type
杂志文章abstract::The optimal management of mandibular angle fractures remains controversial. The aim of this experimental study was to test the stability and resistance to mechanical force of a new titanium miniplate design. Thirty fresh sheep hemimandibles, sectioned at the angle region, were used to evaluate two plating techniques. ...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章
doi:10.1016/j.ijom.2014.01.011
更新日期:2014-07-01 00:00:00
abstract::Bone resorption and remodelling are inevitable sequelae of dental extraction and begin immediately after the extraction procedure. The buccal plate is especially predisposed to these phenomena, and if affected, may result in an increased risk of facial soft-tissue recession and other adverse clinical effects that may ...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章
doi:10.1016/j.ijom.2012.11.009
更新日期:2013-05-01 00:00:00
abstract::With the increasing interest in cosmetic procedures, oral and maxillofacial surgeons are being asked not only to improve oral health and aesthetics but to extend their expertise to provide advice on improving the overall appearance of the face. For the discerning patient, improving overall facial skin appearance is be...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章,评审
doi:10.1016/j.ijom.2005.09.011
更新日期:2006-05-01 00:00:00
abstract::A clinically successful technique for temporomandibular joint (TMJ) arthroscopy by the inferolateral approach is reported. The outline of the superior and inferior articular cavities of the TMJ except for the lower anterior pouch could be visualised; arthroscopy could be performed on most patients under local anesthes...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章
doi:10.1016/s0300-9785(86)80029-1
更新日期:1986-08-01 00:00:00
abstract::The concept of a flow-through flap refers to a free flap in which both the proximal and distal ends of the vascular pedicle are anastomosed to provide blood flow to the distal tissues. The purpose of this paper is to highlight the use of this technique, which may be useful in selected cases of head and neck reconstruc...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章
doi:10.1016/j.ijom.2020.07.015
更新日期:2020-08-01 00:00:00
abstract::The solitary fibrous tumour (SFT), also known as a localized fibrous mesothelioma, is a neoplasm characterized by the proliferation of capillaries surrounded by masses of round or spindle-shaped cells. SFT has been discovered in many locations, however, it is extremely rare for SFT to be found in the intraoral region....
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章
doi:10.1054/ijom.2001.0201
更新日期:2002-12-01 00:00:00
abstract::Oral implant treatment ad modum Brånemark was undertaken in nine patients with edentulous maxillae. Cutting torque measurements and resonance frequency analyses (RFA) were conducted at implant placement and the corresponding values were subjected to correlation analyses. The implants were also evaluated with RFA at ab...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章
doi:
更新日期:1999-08-01 00:00:00
abstract::The purpose of this study was to analyse the causes of venous compromise and flap failure in radial forearm free flap (RFFF) surgery for intraoral reconstruction. One hundred seventy-eight RFFF reconstructions were reviewed retrospectively for intraoral defects. Of the 13 flaps with venous obstruction, 9 flaps were sa...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章
doi:10.1016/j.ijom.2012.01.016
更新日期:2012-04-01 00:00:00
abstract::Ectomesenchymal stem cells (EMSCs) originate from the cranial neural crest. They are a potential source of neuronal and Schwann cells (SCs) of the peripheral nervous system (PNS) during embryonic development. The third passage of EMSCs enzymatically isolated from the mandibular processes of Sprague-Dawley rats were cu...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章
doi:10.1016/j.ijom.2006.06.005
更新日期:2007-01-01 00:00:00
abstract::During educational dissections a rare anatomic variant was encountered at the level of the right carotid triangle of a human adult male specimen. The variant was unilateral. On that side the common carotid artery bifurcated slightly above the level of the upper border of the thyroid cartilage, but the external carotid...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章
doi:10.1016/j.ijom.2006.04.001
更新日期:2006-11-01 00:00:00
abstract::Salivary gland tumours are uncommon with a broad heterogeneity. The most common benign tumour is the pleomorphic adenoma, whereas mucoepidermoid carcinoma and adenoid cystic carcinoma predominate among the malignancies. Most salivary gland tumours occur in the parotid, and consequently clinical and biological data are...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章
doi:10.1016/j.ijom.2004.01.010
更新日期:2004-09-01 00:00:00
abstract::To explore the reported contradictory osteogenic capacity of platelet-rich plasma (PRP), the aim of the study was to examine and compare the bone regenerative effect of: PRPs of different species (rat, goat, human); human bone graft (HB) vs. HB combined with human PRP (HB+hPRP); and HB+hPRP vs. synthetic hydroxyapatit...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章
doi:10.1016/j.ijom.2009.04.009
更新日期:2009-08-01 00:00:00
abstract::The purpose of this study was to investigate the relationship between the pressure drop in the pharyngeal airway space (ΔPPAS) and the minimum cross-sectional area (minCSA) of the pharyngeal airway before and after mandibular setback surgery using computational fluid dynamics, in order to prevent iatrogenic obstructiv...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章
doi:10.1016/j.ijom.2017.03.028
更新日期:2017-07-01 00:00:00
abstract::Intraoperative navigation is a helpful tool in complex anatomical regions or procedures. The mobility of the mandible in relation to the skull base limits the use of navigation tools on the lower jaw if the reference device is installed on the forehead. A new workflow that allows navigation-assisted sagittal split ost...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章
doi:10.1016/j.ijom.2017.05.003
更新日期:2017-10-01 00:00:00
abstract::This retrospective study aimed to evaluate the role of bisphosphonates in jaw osteomyelitis. 29 patients were included: 18 had been treated with bisphosphonates (12 with multiple myelomas, 3 with breast carcinomas, 2 with prostate carcinomas, and 1 with osteoporosis). Of 11 control patients, 2 had breast carcinomas, 2...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章
doi:10.1016/j.ijom.2010.04.054
更新日期:2010-11-01 00:00:00
abstract::The knotting of an intragastric tube is a rare complication, and knotting of a feeding jejunostomy tube is rarer, and the removal or replacement of the tube is difficult. There are many reports on the removal of intragastric knotted tubes, but these methods cannot be applied for the removal of knotted feeding jejunost...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章
doi:10.1016/j.ijom.2010.04.043
更新日期:2010-09-01 00:00:00
abstract::In this study, we evaluated the effect of platelet-rich plasma (PRP) on bone regeneration in an autogenous bone graft in a canine model. The mandibular premolar teeth had been bilaterally extracted previously, and the ridges had been allowed to heal for 3 months. After this period, continuity resection was performed o...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章
doi:10.1054/ijom.2003.0466
更新日期:2004-01-01 00:00:00
abstract::The increasing incidence of oral squamous cell carcinoma (SCC) especially among younger people has been observed in many parts of the world. The objective of this study was to delineate the profile of patients with oral SCC with an emphasis on younger people in northern Thailand between 1991-2000. The medical records ...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章
doi:10.1054/ijom.2003.0503
更新日期:2004-01-01 00:00:00
abstract::Temporomandibular joint (TMJ) dislocation is defined as an excessive forward movement of the condyle beyond the articular eminence with complete separation of the articular surfaces and fixation in that position. The aim of this study was to describe a modified miniplate designed for treating chronic mandibular disloc...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章
doi:10.1016/j.ijom.2011.04.019
更新日期:2011-12-01 00:00:00
abstract::The aim of this study was to evaluate disc perforation diagnosed in patients undergoing arthroscopy of the temporomandibular joint (TMJ). A retrospective analysis of 33 patients with disc perforation (35 joints) was performed. Patients and joints were divided into two groups: those with distal perforation (DP; perfora...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章
doi:10.1016/j.ijom.2017.05.008
更新日期:2017-11-01 00:00:00
abstract::This study reports the case of a patient with a severely resorbed mandible who was treated without a bone graft, using short implants, internal rigid fixation, rhBMP-2 and β-tricalcium phosphate. A 76-year-old woman, with a severely resorbed mandible (less than 3mm), reported a history of nearly 25 years of complete e...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章
doi:10.1016/j.ijom.2012.05.017
更新日期:2012-12-01 00:00:00
abstract::A case of intraductal carcinoma arising from a minor salivary gland of the tongue is reported. The relevant literature is discussed. ...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章,评审
doi:10.1016/s0901-5027(05)80011-6
更新日期:1991-06-01 00:00:00
abstract::The aim of this study was to perform a statistical evaluation of the risk factors for postoperative delirium after oral tumor resection and reconstructive surgery. The records of 69 consecutive patients who underwent major head and neck tumor resection and reconstructive surgery, and who received postoperative managem...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章
doi:10.1016/j.ijom.2020.01.018
更新日期:2020-09-01 00:00:00
abstract::A 56-year-old woman was referred for severe pain and restricted jaw movements with a duration of more than 10 years. In the early 1990s a discectomy on the left side had been performed where the disc was extirpated and replaced with a polymeric implant. Due to infection and pain the implant was removed about 2 months ...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章
doi:10.1054/ijom.2002.0422
更新日期:2003-12-01 00:00:00
abstract::Internal jugular vein thrombosis is rare. It is often secondary to prolonged central venous cannulation and associated with local or distant malignancy. The authors present a case of intra-operative thrombosis of the internal jugular vein which complicated subsequent microvascular anastomosis of a radial forearm free ...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章
doi:10.1016/j.ijom.2012.05.033
更新日期:2012-10-01 00:00:00
abstract::The aim of this study was to investigate the correlation between tumour thickness (TT) on intraoral ultrasound (US) and magnetic resonance imaging (MRI) with the histologically determined TT of tongue cancers. Secondary objectives included evaluation of potential confounders that affect this association and the predic...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章
doi:10.1016/j.ijom.2013.12.009
更新日期:2014-07-01 00:00:00
abstract::The purpose of the current retrospective chart review is to describe the outcomes of conservative or surgical treatment of stage 2 bisphosphonate-related osteonecrosis of the jaws (BRONJ). 14 charts (mean patient age 69.07 ± 10.37 years) describing 19 BRONJ stage 2 sites were identified. According to the treatment pro...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章,评审
doi:10.1016/j.ijom.2012.05.012
更新日期:2012-11-01 00:00:00
abstract::Microvascular free tissue transfer is a routine procedure with high predictability and a low complication rate. However, compromised flap perfusion remains a challenge and there is no consensus regarding the appropriate flap salvage protocol. The purpose of this study was to identify techniques with implications for f...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章,评审
doi:10.1016/j.ijom.2016.06.020
更新日期:2016-11-01 00:00:00
abstract::Two cases of unicystic ameloblastoma are presented. The lesions were pain-free and expanded the mandible. They were removed by curettage. Recurrent lesions had similar clinical appearances and histological pictures compared to the original lesions. The unicystic ameloblastoma manifested itself as a cystic cavity witho...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章
doi:10.1016/s0300-9785(86)80119-3
更新日期:1986-12-01 00:00:00
abstract::A method of closing the radial forearm free flap donor site defect with a defatted, full-thickness skin graft is described. Its advantages of improved patient mobilization, protection of tendons, and cosmesis are discussed with reference to 16 consecutive patients treated over a period of 1 year. ...
journal_title:International journal of oral and maxillofacial surgery
pub_type: 杂志文章
doi:10.1016/s0901-5027(05)80371-6
更新日期:1994-08-01 00:00:00