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Impacted third molar

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https://www.readbyqxmd.com/read/28338226/exploring-and-modelling-impacts-of-third-molar-experience-on-quality-of-life-a-real-time-qualitative-study-using-twitter
#1
Kamal Hanna, Paul Sambrook, Jason M Armfield, David S Brennan
OBJECTIVES: This study had two objectives: (i) to explore and model domains describing the real-time impact of third molars (TMs) on quality of life (QoL); and (ii) to assess the percentage coverage, in some generic health-related quality of life (HRQoL) and oral health-related quality of life (OHRQoL) instruments, of the TM QoL domains identified in this study. METHODOLOGY: A global cross-sectional sample of tweets containing 'wisdom tooth' over a 1-week period retrieved 3,537 tweets...
March 24, 2017: International Dental Journal
https://www.readbyqxmd.com/read/28336306/efficacy-of-acellular-nerve-allografts-in-trigeminal-nerve-reconstruction
#2
Andrew Yampolsky, Vincent Ziccardi, Sung-Kiang Chuang
PURPOSE: During trigeminal nerve repair, a gap is sometimes encountered that prevents the tension-free apposition of nerve endings. The use of a processed acellular nerve allograft is a novel technique that shows promise in overcoming this problem. The goal of the present study was to support the slowly evolving body of evidence that acellular processed nerve allografts (Avance; Axogen, Alachua, FL) are a viable alternative to autogenous nerve grafting and the use of conduits for reconstructing defects of the trigeminal nerve...
February 27, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28330574/bi-maxillary-dentigerous-cyst-in-a-non-syndromic-child%C3%A2-%C3%A2-review-of-literature-with-a-case-presentation
#3
A Dhupar, S Yadav, V Dhupar, H C Mittal, S Malik, P Rana
Dentigerous cysts are the most common developmental odontogenic cysts of the jaw, which usually occur in the second and third decade of life. It is most frequently associated with impacted mandibular third molar teeth and impacted canines. Bilateral/multiple dentigerous cysts are rare and typically associated with developmental syndromes. Non-syndromic dentigerous cyst occurring bilaterally or involving both arches at the same time is very rare. Here, we discuss the review of literature with a case of unusual occurrence of non-syndromic bi-maxillary dentigerous cysts in a child...
February 2017: J Stomatol Oral Maxillofac Surg
https://www.readbyqxmd.com/read/28325960/efficacy-of-preoperative-administration-of-paracetamol-codeine-on-pain-following-impacted-mandibular-third-molar-surgery-a-randomized-split-mouth-placebo-controlled-double-blind-clinical-trial
#4
Maria Paola Cristalli, Gerardo La Monaca, Chiara De Angelis, Nicola Pranno, Susanna Annibali
Objectives. The aim of this study was to determine the effectiveness of preoperative administration of single-dose of paracetamol-codeine, in the relieving of acute postoperative pain after the surgical removal of an impacted mandibular third molar. Materials and Methods. The study cohort consisted of 32 Caucasian outpatients, giving a total of 64 bilateral symmetrical impacted mandibles. Patients were randomized in two experimental groups to receive a preoperative oral dose of paracetamol-codeine (analgesic group) or a placebo (placebo group) at the first and second surgeries...
2017: Pain Research & Management: the Journal of the Canadian Pain Society
https://www.readbyqxmd.com/read/28325532/effectiveness-of-binaural-beats-in-reducing-preoperative-dental-anxiety
#5
B K Isik, A Esen, B Büyükerkmen, A Kilinç, D Menziletoglu
Binaural beats are an auditory illusion perceived when two different pure-tone sine waves are presented one to each ear at a steady intensity and frequency. We evaluated their effectiveness in reducing preoperative anxiety in dentistry. Sixty patients (30 in each group) who were to have impacted third molars removed were studied (experimental group: 20 women and 10 men, mean (range) age 24 (18-35) years, and control group: 22 women and 8 men, mean (range) age 28 (15-47) years). All patients were fully informed about the operation preoperatively, and their anxiety recorded on a visual analogue scale (VAS)...
March 18, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28318872/dexamethasone-injection-into-the-pterygomandibular-space-in-lower-third-molar-surgery
#6
K Boonsiriseth, M M Latt, S Kiattavorncharoen, V Pairuchvej, N Wongsirichat
The objective of this study was to evaluate the effects of 8mg dexamethasone injection into the pterygomandibular space on the postoperative sequelae of lower third molar surgery. A prospective, randomized, controlled, split-mouth study was designed involving 62 lower third molar extractions (31 patients). Prior to surgery, the study group received 2ml of 4mg/ml (8mg) dexamethasone injection through the pterygomandibular space following local anaesthesia; the control group received 2ml normal saline injection...
March 16, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28314941/neuropeptide-expression-and-morphometric-differences-in-crushed-alveolar-inferior-nerve-of-rats-effects-of-photobiomodulation
#7
Daniel Oliveira Martins, Fabio Martinez Dos Santos, Adriano Polican Ciena, Ii-Sei Watanabe, Luiz Roberto G de Britto, José Benedito Dias Lemos, Marucia Chacur
Inferior alveolar nerve (IAN) injuries may occur during various dental routine procedures, especially in the removal of impacted lower third molars, and nerve recovery in these cases is a great challenge in dentistry. Here, the IAN crush injury model was used to assess the efficacy of photobiomodulation (PBM) in the recovery of the IAN in rats following crushing injury (a partial lesion). Rats were divided into four experimental groups: without any procedure, IAN crush injury, and IAN crush injury with PBM and sham group with PBM...
March 17, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28303237/the-effect-of-biomechanical-stimulation-on-osteoblast-differentiation-of-human-jaw-periosteum-derived-stem-cells
#8
Ju-Min Lee, Min-Gu Kim, June-Ho Byun, Gyoo-Cheon Kim, Jung-Hoon Ro, Dae-Seok Hwang, Byul-Bora Choi, Geun-Chul Park, Uk-Kyu Kim
BACKGROUND: This study was to investigate the effect of biomechanical stimulation on osteoblast differentiation of human periosteal-derived stem cell using the newly developed bioreactor. METHODS: Human periosteal-derived stem cells were harvested from the mandible during the extraction of an impacted third molar. Using the new bioreactor, 4% cyclic equibiaxial tension force (0.5 Hz) was applied for 2 and 8 h on the stem cells and cultured for 3, 7, and 14 days on the osteogenic medium...
December 2017: Maxillofacial Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28299267/postsurgical-consequences-in-lower-third-molar-surgical-extraction-using-micromotor-and-piezosurgery
#9
Freddy Kersi Mistry, Nidarsh Diwakar Hegde, Mithra Nidarsh Hegde
BACKGROUND: One of the most critical and crucial steps in surgical extraction is cutting the bone or osteotomy, for which many techniques are used, e.g., chisels and mallet, rotary instruments, and ultrasound bone-cutting instruments. If they are not used judiciously, they can be hazardous. OBJECTIVES: To assess the efficiency of piezosurgery unit over micromotor while performing surgical extraction of lower third molars by assessing the time taken for the surgery and measuring postoperative parameters such as pain, trismus, and swelling...
July 2016: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28294694/the-effects-of-transcutaneous-and-intraoral-low-level-laser-therapy-after-extraction-of-lower-third-molars-a-randomized-single-blind-placebo-controlled-dual-center-study
#10
Sevil Altundag Kahraman, Sedat Cetiner, Robert A Strauss
OBJECTIVE AND BACKGROUND: The surgical removal of impacted third molars is one of the most common procedures performed by oral and maxillofacial surgeons. The purpose of this study is to determine whether either transcutaneous or intraoral low-level laser therapy (LLLT) reduces postoperative pain and assists in the healing of mandibular third molar extraction. MATERIALS AND METHODS: This randomized, placebo controlled, single-blind, split-mouth design study was conducted on 60 patients with full bony impacted similar position mandibular third molars bilaterally...
March 14, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28287912/osteogenic-differentiation-of-mesenchymal-stromal-cells-a-comparative-analysis-between-human-subcutaneous-adipose-tissue-and-dental-pulp
#11
Iolanda D'Alimonte, Filiberto Mastrangelo, Patricia Giuliani, Laura Pierdomenico, Marco Marchisio, Mariachiara Zuccarini, Patrizia Di Iorio, Raimondo Quaresima, Francesco Caciagli, Renata Ciccarelli
White adipose tissue is a source of mesenchymal stromal/stem cells (MSCs) that are actively studied for their possible therapeutic use in bone tissue repair/remodeling. To better appreciate the osteogenic potential of these cells, we compared some properties of MSCs from human subcutaneous adipose tissue [subcutaneous-adipose stromal cells (S-ASCs)] and dental pulp stem cell (DPSCs) of third-impacted molars, the latter representing a well-established MSC source. Both undifferentiated cell types showed similar fibroblast-like morphology and mesenchymal marker expression...
March 13, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28286639/calcifying-cystic-odontogenic-tumor-in-radiologically-normal-dental-follicular-space-of-mandibular-third-molars-report-of-two-cases
#12
Gargi S Sarode, Sachin C Sarode, Ghevaram Prajapati, Mahesh Maralingannavar, Shankargouda Patil
Two cases of calcifying cystic odontogenic tumor (CCOT) of the dental follicle in an impacted third molar without clinical and radiological evidence are reported during routine histopathological examination. In both the cases left mandibular third molar was mesioangularly impacted with pericoronal radiolucency of less than 2.5 mm, which was not indicative of any pathology. As a routine protocol (which is not practiced widely) of our institution, dental follicles associated with extracted molars were sent for histopathological examination...
January 11, 2017: Clinics and Practice
https://www.readbyqxmd.com/read/28286389/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-a-single-institutional-experience
#13
Shital Patel, Saloni Mansuri, Faizan Shaikh, Taksh Shah
AIM: To study the incidence of mandibular third molar impaction in relation to type and side of impaction, age and sex of patients and indications for its surgical removal through data collected from a single institute over a period of 3 and half years. METHODS: The records of 1198 patients who underwent the surgical removal of impacted mandibular third molars were reviewed retrospectively. Records were divided into groups according to sex, age, type and side of impaction...
March 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28282519/nonimpacted-third-molars-affect-the-periodontal-status-of-adjacent-teeth-a%C3%A2-cross-sectional-study
#14
Zhi-Bang Li, Hong-Lei Qu, Li-Na Zhou, Bei-Min Tian, Li-Na Gao, Fa-Ming Chen
PURPOSE: Most previous studies of the effect of third molars (M3s) on the health of adjacent second molars (A-M2s) have focused on impacted M3s (I-M3s). The purpose of this study was to investigate whether nonimpacted M3 (N-M3s) could affect the periodontal status of A-M2s. PATIENTS AND METHODS: In this cross-sectional study, patients (≥18 years) who had at least 1 quadrant with intact first and second molars and a nonimpacted or absent M3 were enrolled in this study...
February 15, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28282517/risk-factor-analysis-of-graft-failure-with-concomitant-cyst-enucleation-of-the-jaw-bone-a-retrospective-multicenter-study
#15
Ho-Kyung Lim, Jin-Woo Kim, Ui-Lyong Lee, Ju-Won Kim, Ho Lee
PURPOSE: Cysts are common pathologic entities in the oral and maxillofacial region. Enucleation is commonly used for treatment and is occasionally followed by bone grafting. However, no studies have evaluated factors affecting the failure of grafts used for cystic defects in the oral and maxillofacial region. Therefore, the present study was conducted to determine the risk factors for postoperative graft failure in patients treated with cyst enucleation and simultaneous bone grafting...
February 14, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28281950/penetration-of-filled-and-unfilled-resin-sealants-on-different-enamel-substrates
#16
Kamila Rosamilia Kantovitz, Kelly Maria Silva Moreira, Fernanda Miori Pascon, Francisco Humberto Nociti, Cinthia P Machado Tabchoury, Regina Maria Puppin-Rontani
PURPOSE: To evaluate the penetration ratio of filled and unfilled resin-based sealants on different enamel substrates and pit and fissure morphologies. METHODS: Forty-eight occlusal enamel blocks obtained from impacted human third molars were randomly divided (n equals eight) according to enamel substrates (sound; caries-like lesion; caries-like lesion plus topical fluoride application) and sealant material (FluroShield; Helioseal Clear Chroma). Sealants were applied on the enamel surface...
November 15, 2016: Pediatric Dentistry
https://www.readbyqxmd.com/read/28280708/evaluation-of-postoperative-complications-according-to-treatment-of-third-molars-in-mandibular-angle-fracture
#17
Hye-Youn Lim, Tae-Young Jung, Sang-Jun Park
OBJECTIVES: The aim of this study was to evaluate the implication of third molars in postoperative complications of mandibular angle fracture with open reduction and internal fixation (ORIF). MATERIALS AND METHODS: Data were collected on patients who presented with mandibular angle fracture at our Department of Oral and Maxillofacial Surgery between January 2011 and December 2015. Of the 63 total patients who underwent ORIF and perioperative intermaxillary fixation (IMF) with an arch bar, 49 patients were identified as having third molars in the fracture line and were followed up with until plate removal...
February 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28274060/comparison-of-cone-beam-computed-tomography-derived-alveolar-bone-density-between-subjects-with-and-without-aggressive-periodontitis
#18
Mohammad S Al-Zahrani, Eman Y Elfirt, Manea M Al-Ahmari, Ibrahim A Yamany, Maher A Alabdulkarim, Khalid H Zawawi
INTRODUCTION: Understanding the changes in bone density of patients affected by aggressive periodontitis could be useful in early disease detection and proper treatment planning. AIM: The aim of this study was to compare alveolar bone density in patients affected with aggressive periodontitis and periodontally healthy individuals using Cone Beam Computed Tomography (CBCT). MATERIALS AND METHODS: This cross-sectional study was conducted on 20 patients with a confirmed diagnosis of aggressive periodontitis...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28257742/orthodontic-uprighting-of-a-horizontally-impacted-third-molar-and-protraction-of-mandibular-second-and-third-molars-into-the-missing-first-molar-space-for-a-patient-with-posterior-crossbites
#19
Un-Bong Baik, Myung-Rae Kim, Kyu-Ho Yoon, Yoon-Ah Kook, Jae Hyun Park
A 22-year-old woman came with a unilateral missing mandibular first molar and buccal crossbite. The open space was closed by protraction of the mandibular left second molar and uprighting and protraction of the horizontally impacted third molar using temporary skeletal anchorage devices, and her buccal crossbite was corrected with modified palatal and lingual appliances. The total active treatment time was 36 months. Posttreatment records after 9 months showed excellent results with a stable occlusion.
March 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28251806/implications-of-vertebrate-craniodental-evo-devo-for-human-oral-health
#20
REVIEW
Julia C Boughner
Highly processed diets eaten by postindustrial modern human populations coincide with higher frequencies of third molar impaction, malocclusion, and temporomandibular joint disorders that affect millions of people worldwide each year. Current treatments address symptoms, not causes, because the multifactorial etiologies of these three concerns mask which factors incline certain people to malocclusion, impaction, and/or joint issues. Deep scientific curiosity about the origins of jaws and dentitions continues to yield rich insights about the developmental genetic mechanisms that underpin healthy craniodental morphogenesis and integration...
March 2, 2017: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
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