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Impacted third molar

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https://www.readbyqxmd.com/read/29779287/-current-situation-of-clinical-research-on-impacted-premolars
#1
Ran-Ran Liu, Jun Tian
Teeth impaction is a common developmental malformation in oral diseases. Impacted teeth are usually the canines, third molar, central incisors, premolars, and second molars. The prevalence of impaction of maxillary canines and mandibular wisdom teeth is higher than that of other teeth. Most recent studies have focused on the canines and third molars, but research on impacted premolars is limited. In clinical practice, the majority of orthodontic patients require premolar extraction. Thus, impacted premolars play important roles in orthodontic design and prognosis...
April 1, 2018: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/29765439/radiographic-features-of-anatomic-relationship-between-impacted-third-molar-and-inferior-alveolar-canal-on-coronal-cbct-images-risk-factors-for-nerve-injury-after-tooth-extraction
#2
Dongmiao Wang, Tangyi Lin, Yanling Wang, Chao Sun, Lianfeng Yang, Hongbing Jiang, Jie Cheng
Introduction: The present study was aimed to identify the radiographic signs between impacted third molar root and inferior alveolar canal (IAC) on cone-beam CT (CBCT) images as risk factors and prognostic predictors associated with inferior alveolar nerve (IAN) damage following tooth removal. Material and methods: A retrospective clinical study was performed involving 136 patients with 257 impacted lower third molars from January 2013 to December 2014. The neurosensory function of the lower lip and chin was subjectively evaluated and assessed by neurosensory tests before and after surgery...
April 2018: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/29755527/dentigerous-cystic-changes-in-the-follicles-associated-with-radiographically-normal-impacted-mandibular-third-molars
#3
Ashok Dongol, Alok Sagtani, Mehul Rajesh Jaisani, Arpita Singh, Ashish Shrestha, Anju Pradhan, Pradeep Acharya, Anjani Kumar Yadav, Ram Prasad Yadav, Arun Kumar Mahat, Iccha Kumar Maharjan, Leeza Pradhan
Objective: To assess the incidence of dentigerous cystic changes in the follicles of radiographically normal impacted mandibular third molars. Methods: One hundred and thirteen follicles obtained after surgical removal of impacted mandibular third molars with radiolucency of less than 2.5 mm in the radiograph were sent for histopathologic evaluation to evaluate pathologic changes. Results: The incidence of dentigerous cystic changes observed was 15...
2018: International Journal of Dentistry
https://www.readbyqxmd.com/read/29752604/a-comparative-study-of-the-effect-of-two-dosages-of-submucosal-injection-of-dexamethasone-on-postoperative-discomfort-after-third-molar-surgery-a-prospective-randomized-study
#4
Srimathy S Arora, Tanvi Phull, Ish Kumar, Arun Kumar, Nilesh Kumar, Hem Singh
INTRODUCTION: The aim of this clinical study was to evaluate and compare the relative efficacy of two different dosages of dexamethasone, i.e., 4 and 8 mg injected submucosally to reduce postoperative discomfort after mandibular third molar surgery. METHODOLOGY: A prospective randomized study was conducted on 45 patients requiring surgical removal of an impacted third molar. Selected patients were divided randomly into three groups of 15 patients each: group I patients received one regimen single dose of 4 mg dexamethasone submucosally, group II received one regimen single dose of 8 mg dexamethasone submucosally, and group III (control group), no dexamethasone was given but only received injection of normal saline submucosally after establishing local anesthesia...
May 12, 2018: Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29747798/laser-therapy-has-minimal-clinical-efficacy-at-reducing-postsurgical-complications-after-the-removal-of-impacted-mandibular-third-molars
#5
Ben Balevi
ARTICLE TITLE AND BIBLIOGRAPHIC INFORMATION: Efficacy of adjuvant laser therapy in reducing postsurgical complications after the removal of impacted mandibular third molars: A systematic review update and meta-analysis. Dawdy J, Halladay J, Carrasco-Labra A, Araya I, Yanine N, Brignardello-Petersen R. J Am Dent Assoc 2017;148(12):887-902.e884. SOURCE OF FUNDING: None of the authors reported any disclosures TYPE OF STUDY/DESIGN: Systematic review with meta-analysis of data...
June 2018: Journal of Evidence-based Dental Practice
https://www.readbyqxmd.com/read/29742567/erbium-yttrium-aluminum-garnet-laser-versus-traditional-bur-in-the-extraction-of-impacted-mandibular-third-molars-analysis-of-intra-and-postoperative-differences
#6
Ilaria Giovannacci, Giovanna Giunta, Giuseppe Pedrazzi, Marco Meleti, Maddalena Manfredi, Mario Migliario, Matteo Brucoli, Alberta Greco Lucchina, Carmen Mortellaro, Paolo Vescovi
INTRODUCTION: Different osteotomy techniques have been proposed in order to improve postoperative course of impacted third molar extraction. The aim is to evaluate the possible advantages achieved with erbium yttrium-aluminum-garnet (Er:YAG) laser osteotomy compared with traditional burs. MATERIALS AND METHODS: Seventy-six extractions were randomly classified into 2 groups according to osteotomy instrument: group 1 (G1)-Er:YAG laser: 35 patients; group 2 (G2)-traditional bur: 41 patients...
May 8, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29728547/remineralization-potential-of-three-different-dentifrices-using-raman-spectroscopy-and-confocal-laser-scanning-microscope
#7
Tisson V Job, Girish T Narayana, Kishan K Venkappa, K Binu Nathan, Shameem Ahsan, Jayakkodi Harikaran
Aim: The aim of this study was to compare the remineralization potential of three different dentifrices using Raman spectroscopy and confocal laser scanning microscopy (CLSM). Materials and methods: Totally, 30 extracted intact impacted third molar teeth were selected and the crown of each tooth in a group was separated from the root and longitudinally sectioned into four parts with each section under a subgroup, of which one section was an untreated section, the second and the third sections were demineralized in a demineralizing solution, and the third section was remineralized after demineralization...
April 1, 2018: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29721233/dentigerous-cyst-with-parietal-and-intracystic-calcifications-a-case-report-and-literature-review
#8
Jordi Borrás-Ferreres, Alba Sánchez-Torres, José-Manuel Aguirre-Urizar, Cosme Gay-Escoda
Background: Dentigerous cyst appears surrounding the crown of an included tooth. On the radiographic exam, a radiolucent rounded well-defined lesion can be observed. Material and Methods: This study reports a clinical case of a 34-years old man with a pericoronal radiolucent lesion associated to an impacted lower third molar with the presence of radiopaque material inside. The radiological differential diagnosis was calcifying odontogenic tumor, adenomatoid odontogenic tumor and dentigerous cyst...
March 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29714439/comparison-of-the-effects-of-diclofenac-potassium-and-tenoxicam-on-postoperative-pain-swelling-and-trismus-following-third-molar-surgery
#9
Ahmet Taylan Çebi, Metin Berk Kasapoğlu, Selin Eren, Çetin Kasapoğlu
Background/aim: This study aimed to compare two nonsteroidal antiinflammatory agents in relation to pain, swelling, and trismus following impacted third molar surgery. Materials and methods: The study was a randomized and a double-blinded study and included 50 healthy individuals. After the operation, patients were randomly assigned to 2 groups in which diclofenac potassium and tenoxicam were used. Impacted third molars were surgically extracted with local anesthesia. Pain was assessed postoperatively by visual analog scale at the 2nd, 6th, 8th, 12th, 24th, and 48th hours and on the 3rd, 5th, and 7th days...
April 30, 2018: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/29707181/dental-stem-cells-harvested-from-third-molars-combined-with-bioactive-glass-can-induce-signs-of-bone-formation-in-vitro
#10
Gregorio Raspini, Jan Wolff, Mika Helminen, Giovacchino Raspini, Mario Raspini, George K Sándor
Objectives: The aim of this study was to assess the interaction of a bioactive glass scaffold with cells derived from dental pulp, dental follicle and periodontal ligament. Material and Methods: Impacted third molars were surgically removed from three young donors. Cells from the dental pulp, follicle and periodontal ligament tissues were isolated and expanded. Different cell populations were characterised using specific CD markers. Expanded pulp, follicle and periodontal cells were then seeded onto bioactive glass scaffolds and cultured in osteogenic medium or basic medium...
January 2018: Journal of Oral & Maxillofacial Research
https://www.readbyqxmd.com/read/29691572/-features-and-influence-of-impacted-maxillary-permanent-canine-on-surrounding-structures
#11
An-Qi Liu, Yu-Fen Qian
Impacted maxillary permanent canine is the tooth that most commonly fails to erupt after the third molars. It can probably affect the dental arch alignment and form, occlusal function and facial profile as well. In this review, the epidemiology, etiology and influence on surrounding tissue of the impacted maxillary permanent canine were analyzed based on related literatures with the hope of providing references for clinical practice.
December 2017: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/29657529/impact-of-electro-neuro-feedback-on-postoperative-outcome-of-impacted-lower-third-molar-surgery
#12
Giacomo Oteri, Michele Pisano, Antonia Marcianò, Gabriele Cervino, Matteo Peditto
Objective: The purpose of this study was to evaluate the impact of a treatment with electro-neuro-feedback (ENF), a portable transcutaneous electrical nerve stimulation (TENS) device, on the clinical outcome and inflammatory biochemical parameters related to the impacted lower third molar surgery. Materials and Methods: A randomized, split-mouth, and single-blind study was conducted on 32 patients requiring lower third molars extractions and referred to the Oral Surgery Unit of the School of Dentistry of the University of Messina...
January 2018: European Journal of Dentistry
https://www.readbyqxmd.com/read/29657489/a-radiographic-survey-of-agenesis-of-the-third-molar-a-panoramic-study
#13
Nisha Singh, Shrinivas Chaudhari, Rohan Chaudhari, Sagar Nagare, Abhay Kulkarni, Pratik Parkarwar
Purpose: It is a well-known fact that nature tries to eliminate what is not in use. Because of this, the number of certain teeth which are no longer necessary for function are either getting increasingly impacted or are not developing at all. This is especially the case where third molars are concerned. Furthermore, the presence or absence of the third molar is significant to all branches of dentistry and in particular, forensic dentistry. Objectives: The objectives of this study is to assess (1) The prevalence of third molar agenesis in population of age group 18-25 years...
September 2017: Journal of Forensic Dental Sciences
https://www.readbyqxmd.com/read/29652024/intra-alveolar-extraction-of-impacted-distoangular-mandibular-third-molars-a-novel-technique
#14
K Santhosh Kumar, A Emmanuel Dhiravia Sargunam, C Ravindran, Gvv Giri
Recent trends in maxillofacial surgery are to reduce the trauma to the adjacent soft tissue. The distoangular impaction presents a challenge to the maxillofacial surgeon and also results in more surgical morbidity. Here, we present a minimally invasive extraction technique for the distoangular mandibular third molar impaction.
March 2018: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/29629438/influence-of-leukocyte-and-platelet-rich-fibrin-l-prf-on-the-outcomes-of-impacted-mandibular-third-molar-removal-surgery-a-split-mouth-randomized-clinical-trial
#15
Povilas Daugela, Vaidas Grimuta, Dalius Sakavicius, Juozas Jonaitis, Gintaras Juodzbalys
OBJECTIVES: The purpose of this study was to evaluate the influence of leukocyte- and platelet-rich fibrin (L-PRF) on impacted mandibular third molar (IMTM) extraction wound healing, patient postoperative discomfort, and incidence of alveolar osteitis. METHOD AND MATERIALS: Thirty-four patients (20 female, 14 male) who met the inclusion criteria for this split-mouth randomized clinical trial were enrolled and 30 patients completed the study. Patients were randomized and underwent bilateral IMTM surgical extractions...
2018: Quintessence International
https://www.readbyqxmd.com/read/29627152/three-dimensional-radiographic-evaluation-of-root-migration-patterns-4-8-5-years-after-lower-third-molar-coronectomy-a-cone-beam-computed-tomography-study
#16
A W K Yeung, N S M Wong, M M Bornstein, Y Y Leung
This prospective study in patients with a follow-up of 4-8.5years aimed to describe the long-term, three-dimensional changes of coronectomized lower third molar roots. Pre- and postoperative cone beam computed tomography (CBCT) scans were compared. The distance of root migration, the direction of root translation and rotation, and the amount of bone regeneration at the adjacent second molar and superficially to the third molar root were recorded. Age, gender, time elapsed following surgery, the status of the retained root including, impaction pattern and depth of impaction were tested to check if they were influencing factors for the above outcomes...
April 4, 2018: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29625028/effectiveness-of-drainage-in-mandibular-third-molar-surgery-a-systematic-review-and-meta-analysis
#17
REVIEW
Shaopeng Liu, Zhu You, Chuan Ma, Ye Wang, Huaqiang Zhao
PURPOSE: The purpose of this study was to provide an evidence-based evaluation of the impact of surgical drainage after the removal of mandibular third molars. MATERIALS AND METHODS: The Medline (PubMed), Cochrane Library, and Web of Science databases were searched to identify randomized controlled trials up to September 1, 2017. Postoperative variables, including facial swelling, trismus, and pain, were calculated early (2 to 3 days) and late (5 to 7 days) after the removal of impacted mandibular third molars...
March 15, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29622836/impacted-third-molar-transplantation-on-the-malpracticed-extraction-socket
#18
Soung Min Kim, Emmanuel K Amponsah
Autotransplantation with or without endodontic therapy is regarded as an alternative treatment option for the replacement of missing teeth. A primary responsibility of a maxillofacial surgeon is to reverse any malpractice to promote successful outcomes and improve the patient's quality of life. This paper presents a malpractice case of incorrect extraction of the lower second molar instead of the impacted third molar. A simple technique of transplanting the impacted third molar to the site of the extracted second molar is introduced by a maxillofacial specialist in Ghana...
December 2017: Ghana Medical Journal
https://www.readbyqxmd.com/read/29618893/role-of-panoramic-imaging-and-cone-beam-ct-for-assessment-of-inferior-alveolar-nerve-exposure-and-subsequent-paresthesia-following-removal-of-impacted-mandibular-third-molar
#19
Sonali Ghai, Sankarsan Choudhury
Objectives: Pre-operative radiographic evaluation of impacted mandibular third molar and inferior alveolar canal (IAC) is important in preventing a possible nerve exposure and damage during surgical removal. The present study analysed the relation of the mandibular third molar with inferior alveolar canal using panoramic radiography (PAN) and cone beam CT (CBCT) and evaluated the radiographic features suggestive of IAN exposure and post-operative paresthesia. Materials and Methods: PAN and CBCT findings of 53 impacted mandibular third molars having a close relation with IAC undergoing extraction were analysed...
June 2018: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/29618350/impaction-of-lower-third-molars-and-their-association-with-age-radiological-perspectives
#20
Soukaina Ryalat, Saif Aldeen AlRyalat, Zaid Kassob, Yazan Hassona, Mohammad H Al-Shayyab, Faleh Sawair
BACKGROUND: Third molars are the most commonly impacted teeth, and their extraction is the most commonly performed procedure in oral and maxillofacial surgery. The aim of the present study is to describe the pattern of mandibular third molar impaction and to define the most appropriate age for prophylactic extraction of mandibular third molar teeth. METHODS: A total of 1198 orthopantomographs (OPGs) with 1810 impacted lower third molars were reviewed by two authors...
April 4, 2018: BMC Oral Health
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