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https://www.readbyqxmd.com/read/28091430/impact-of-informed-consent-on-patient-decisions-regarding-third-molar-removal
#1
G Göcmen, O Atalı, O Gonul, K Goker
PURPOSE: We investigated whether the order in which patients learned about complication risks affected their anxiety about and willingness to undergo the removal of their third molar. MATERIALS AND METHODS: In total, 171 patients (65 males, 106 females) were included in the study. The distributions of gender and the position of mandibular third molars were recorded. The Amsterdam Preoperative Anxiety and Information Scale and Spielberger's State-Trait Anxiety Inventory were used to evaluate anxiety...
February 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28090184/radiographic-evaluation-of-the-status-of-third-molars-in-sriganganagar-population-a-digital-panoramic-study
#2
Sharry Goyal, Pradhuman Verma, Seetharamaiha Sunder Raj
BACKGROUND: Third molar (M3) agenesis and impaction are associated with evolution, changed dietary habits, and human jaw growth. The aim of the study was to radiographically evaluate the prevalence of M3s agenesis, impacted M3s with different impaction patterns, and the approximation of Inferior Dental Canal (IDC) with impacted mandibular M3s roots among the Sriganganagar population. METHODS: The study included 700 randomly selected subjects from OPD with an age range of 25-45 years...
November 2016: Malaysian Journal of Medical Sciences: MJMS
https://www.readbyqxmd.com/read/28090034/evaluation-of-sub-surface-penetration-and-bonding-durability-of-self-etching-primer-systems-to-er-yag-laser-treated-cervical-dentin
#3
Zhengdi He, Lingling Chen, Yasushi Shimada, Junji Tagami, Shuangchen Ruan
This study aimed to investigate self-etching bonding systems penetrating in sub-surface dentin layer after Er:YAG laser irradiation and micro-shear bonding durability over a period of 1 year. Dentin slices obtained from extracted human third molars were prepared. Two self-etching adhesive systems were evaluated: Clearfil SE Bond and Clearfil Tri-S Bond. Specimens were tested for micro-shear bond strength with one of the following treatments: Er:YAG laser irradiation and 600-grit silicon paper polishing at 24 h, 7 days, 6 months and 1 year...
January 13, 2017: Dental Materials Journal
https://www.readbyqxmd.com/read/28089388/cortical-bone-thickness-of-the-mandibular-canal-and-implications-for-bilateral-sagittal-split-osteotomy-a-cadaveric-study
#4
L Promma, N Sakulsak, P Putiwat, P Amarttayakong, S Iamsaard, H Trakulsuk, K Hirunyakorn, S Suarbua, Y Wattanaraeungchai
Preoperative delineation of the mandibular canal and surrounding cortical bone thickness is mandatory prior to bilateral sagittal split osteotomy (BSSO). The cortical bone thickness of 101 cadaveric mandibles was measured to define the mandibular canal. The mandibles were cut at the anterior ramus, at the third, second, and first molar, and at the premolar. The cortical bone thickness was measured between the mandibular canal and inferior border, buccal cortex, and lingual cortex at each cutting point. No difference was found between the right and left sides of the mandible, or between males and females, with one exception: males were found to have thicker inferior cortical bone at the premolar site than females...
January 12, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28080293/proximal-contact-repair-of-complex-amalgam-restorations
#5
M N Zguri, J A Casey, J P Jessup, K S Vandewalle
The carving of a complex amalgam restoration may occasionally result in light proximal contact with the adjacent tooth. The purpose of this study was to investigate the strength of complex amalgam restorations repaired with a proximal slot amalgam preparation. Extracted human third molars of similar coronal size were sectioned 1 mm apical to the height of the contour using a saw and were randomly distributed into 9 groups of 10 teeth each. One pin was placed at each line angle of the flattened dentinal tooth surface...
January 12, 2017: Operative Dentistry
https://www.readbyqxmd.com/read/28076457/removal-of-calcium-hydroxide-from-weine-type-ii-systems-using-photon-induced-photoacoustic-streaming-passive-ultrasonic-and-needle-irrigation-a-microcomputed-tomography-study
#6
Adam Lloyd, Geraldine Navarrete, Melissa Andreia Marchesan, David Clement
Objective: This study compared the effectiveness of Er:YAG laser-activated irrigation (PIPS), passive ultrasonic irrigation (PUI) with EndoUltra and standard needle irrigation (SNI) in the removal of calcium hydroxide [Ca(OH)2] from the mesial roots of Weine Type II mandibular molars. Material and Methods: Thirty mandibular molars were screened by µCT for the presence of mesial roots with complex intra-canal anatomy and a common apical foramen. The teeth were enlarged to a standardized 25/...
November 2016: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/28075026/updating-histological-data-on-crown-initiation-and-crown-completion-ages-in-southern-africans
#7
Donald J Reid, Debbie Guatelli-Steinberg
OBJECTIVES: To update histological data on crown initiation and completion ages in southern Africans. To evaluate implications of these data for studies that: (a) rely on these data to time linear enamel hypoplasias (LEHs), or, (b) use these data for comparison to fossil hominins. MATERIALS AND METHODS: Initiation ages were calculated on 67 histological sections from southern Africans, with sample sizes ranging from one to 11 per tooth type. Crown completion ages for southern Africans were calculated in two ways...
January 11, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28072993/-effect-of-inserted-angle-on-the-stability-of-loaded-microscrews
#8
P Shao, Z R Xu, L X Zhao, Z H Zhao
Objective: To evaluate the effect of different insertion angles on the osseointegration of loaded microscrews in beagle jaws. Methods: Forty-eight microscrews were inserted at four different angles (30°, 50°, 70° and 90°) into the interradicular zones between the mandibular first molar and third premolar in twelve beagles and the microscrews had been loaded with a force of 2 N immediately for 8 weeks. After microscrew-bone specimens fixed, the maximum output value (Fmax) of pull-out test was recorded and the histomorphological changes of hard tissue were observed...
January 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/28068269/chitosan-incorporated-in-a-total-etch-adhesive-system-antimicrobial-activity-against-streptococcus-mutans-and-lactobacillus-casei
#9
Marcelo Figueiredo Lobato, Cecilia Pedroso Turssi, Flávia Lucisano Botelho do Amaral, Fabiana Mantovani Gomes França, Roberta Tarkany Basting
The aim of this study was to investigate the antimicrobial effect of an experimental adhesive system containing chitosan (0.2% and 0.5%) against Streptococcus mutans and Lactobacillus casei. Twenty-four extracted human third molars were used, and 4 cavities were prepared in each tooth. The teeth were contaminated with either S mutans (n = 12 teeth, 48 cavities) or L casei (n = 12 teeth, 48 cavities) microorganisms. One cavity in each tooth received 1 of the following treatments: negative control (no treatment [NC]), positive control (Adper Single Bond 2 [SB]), an experimental adhesive containing chitosan 0...
January 2017: General Dentistry
https://www.readbyqxmd.com/read/28067086/-prospective-randomized-study-regarding-the-effect-of-the-preoperative-antibiotic-and-chlorhexidine-rinse-on-wound-healing-after-mandibular-third-molar-surgery
#10
István Kaposvári, Kinga Körmöczi, Zsuzsa Beáta László, Ferenc Oberna, Ferenc Horváth, Árpád Joób-Fancsaly
INTRODUCTION AND AIM: The study compares the antibiotic prophylaxis combined with postoperative antibiotic therapy to preoperative chlorhexidine rinse combined with postoperative antibiotic therapy in preventing complications after surgical removal of a mandibular third molar. METHOD: 71 healthy patients in four groups were enrolled in the study: I. prophylactic dose of 2000 mg of amoxicillin clavulanate, continued with amoxicillin clavulanate postoperatively; II...
January 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28065728/are-there-risk-factors-for-osseous-mandibular-inferior-border-defects-after-bilateral-sagittal-split-osteotomy
#11
J P Verweij, J G van Rijssel, M Fiocco, G Mensink, P J J Gooris, J P R van Merkesteyn
PURPOSE: Bone defects of the inferior mandibular border (osseous inferior border defects) can cause unesthetic postoperative outcomes after bilateral sagittal split osteotomy (BSSO). The aim of this study was to estimate the frequency of osseous inferior border defects after BSSO and to identify risk factors for this complication. MATERIALS AND METHODS: This retrospective study included consecutive patients who underwent BSSO for mandibular retrognathia. The primary outcome was the presence/absence of osseous inferior border defects...
December 21, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28063208/effect-of-supplementation-of-calf-starter-with-fennel-powder-on-performance-weaning-age-and-fermentation-characteristics-in-holstein-dairy-calves
#12
S Saeedi, O Dayani, R Tahmasbi, A Khezri
The objective of this experiment was to investigate the effects on performance, weaning age and rumen fermentation characteristics in Holstein calves when fennel powder was added to their starter diets. Thirty Holstein calves with a mean birth weight 40 kg (SD = 0.5) were allocated randomly to one of the following experimental diets: (i) control (starter diet without fennel powder), (ii) starter diet containing 0.4% of fennel powder and (iii) starter diet containing 0.8% of fennel powder (DM basis). The effect of treatments on mean dry matter intake was significant (p < 0...
February 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28062250/autotransplantation-of-third-molars-with-completely-formed-roots-into-surgically-created-sockets-and-fresh-extraction-sockets-a-10-year-comparative-study
#13
H J Yu, P Jia, Z Lv, L X Qiu
The aim of this study was to analyze and compare the long-term clinical outcomes of mature third molar autotransplantation in surgically created sockets and fresh extraction sockets with regard to survival and functional success rates. A total of 65 third molars with completely formed roots were autotransplanted in 60 patients (average age 33.1 years). Thirty-six of the teeth were autotransplanted into surgically created sockets with or without guided bone regeneration (GBR; delayed autotransplantation), while 29 were autotransplanted into fresh extraction sockets (immediate autotransplantation; control group)...
January 3, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28061389/in-vitro-proliferation-of-periodontal-ligament-like-tissue-on-extracted-teeth
#14
T Iwata, C Mino, T Kawata
OBJECTIVE: Transplantation of autologous teeth is a routine component of orthodontic treatment. The aim of this study was to develop a method for the regeneration of damaged periodontal ligament (PDL) on extracted teeth using a three-dimensional culture system. DESIGN: We used the maxillary first premolars or third molars extracted from patients for orthodontic treatment. The extracted teeth were stained with toluidine blue to measure the residual PDL area. After confirming damage of the periodontal tissue on the root surface of the extracted teeth, we tried to regenerate the periodontal tissue...
November 30, 2016: Archives of Oral Biology
https://www.readbyqxmd.com/read/28057390/pre-emptive-analgesic-effect-of-lornoxicam-in-mandibular-third-molar-surgery-a-prospective-randomized-double-blind-clinical-trial
#15
I M Mojsa, J Stypulkowska, P Novak, K Lipczynski, K Szczeklik, M Zaleska
The aim of this study was to establish whether the pre-emptive use of lornoxicam (16mg) in third molar surgery ensures successful postoperative analgesia and reduces rescue analgesic intake when compared to postoperative application, and in comparison with placebo. Ninety patients were split randomly into three groups: group A received lornoxicam 60min before surgery and placebo 60min after surgery; group B received placebo 60min before surgery and lornoxicam 60min after surgery; group C received placebo 60min before surgery and placebo 60min after surgery...
January 2, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28052216/pattern-of-hydroxyapatite-crystal-growth-on-bleached-enamel-following-the-application-of-two-antioxidants-an-atomic-force-microscope-study
#16
Chitra P Bhusari, Divya S Sharma
OBJECTIVES: This study observed the topographical pattern of hydroxyapatite deposition and growth (D&G) on bleached enamel following application of two antioxidants (sodium ascorbate and catalase) using atomic force microscope. STUDY DESIGN: Twenty enamel specimens (4×3×2mm), prepared from extracted impacted third molars, were mounted in self-cure acrylic and randomly grouped as: Group I-untreated; Group II- 35%H2O2; Group III- 35%H2O2 + artificial saliva; Group IV- 35%H2O2 + catalase+ artificial saliva; Group V- 35%H2O2 + sodium ascorbate+ artificial saliva...
2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28050990/swinging-replantation-a-possible-protocol-for-the-management-of-inverted-impacted-upper-central-incisor-tooth
#17
Seidu A Bello, Deborah J Enebong, Emeka V Obi
Inverted tooth impaction is a rare occurrence. Third molar impaction is the most extensively studied, and only eight cases of inverted third molars have been reported in a literature search of 40 years from 1973 to 2013. In a study, 43.4% of the premaxillary supernumeraries were inverted and 21.1% were transversely oriented, while occasional inverted central incisors have been mentioned in the literature. Severe dilaceration makes the management of this case a big challenge. The case of an 8-year-old boy with an inverted, rotated, and impacted upper left central incisor obstructed by an odontome is presented here...
January 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28050988/comparative-study-of-piezoelectric-and-rotary-osteotomy-technique-for-third-molar-impaction
#18
Sulphi A Basheer, R Jay Govind, Augustine Daniel, George Sam, V J Adarsh, Akshatha Rao
INTRODUCTION: Bone removal is necessary for extracting the third molars that are erupted, partially erupted, and/or impacted in bone. Hence, it is necessary to choose a surgical method or instruments that conform to anatomic landmarks and are based on physiological principles. Many authors have reported injuries to the adjacent tooth, especially the distal part of periodontium after removal of second molar. Hence, the present study was undertaken to assess and compare the surgical and postsurgi-cal outcomes of third molar removal using piezoelectric surgery and rotary bur...
January 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28045824/neuropathic-pain-due-to-iatrogenic-lingual-nerve-lesion-nerve-grafting-to-reduce-otherwise-untreatable-pain
#19
Jop P Verweij, Kira S van Hof, Martijn J A Malessy, Richard van Merkesteyn
Iatrogenic lingual nerve lesion is a well-known and unfortunate complication after mandibular third molar removal. Occasionally, the nerve injury can cause severe neuropathic pain.Here, the authors present the history of 2 patients with lingual nerve injury due to mandibular third molar removal, and with severe neuropathic pain in the craniomandibular region. Pharmacotherapy and physiotherapy did not reduce the pain, and ultimately, the lingual nerve was surgically explored. Scar tissue and a lingual nerve neuroma were observed and resected in both patients...
December 30, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28042263/efficacy-of-la-axxess-burs-gates-glidden-drills-and-protaper-sx-in-obtaining-straight-line-access-in-mesiobuccal-roots-of-mandibular-first-molars-a-cone-beam-computed-tomography-assessment
#20
Promila Verma, Rhythm Bains, A P Tikku, Anil Chandra, Shibha Mehta
OBJECTIVE: This study aims at cone-beam computed tomography (CBCT) evaluation of the ability of Gates Glidden (GG) drills, Protaper Sx, and LA Axxess burs to produce a straight line access (SLA) in mesiobuccal canals of mandibular first molars. METHODOLOGY: Forty-five freshly extracted mandibular teeth with a canal curvature of 10-20° were taken for the study and divided into three groups according to the instruments used for cervical preflaring: Group I (LA Axxess burs), Group II (GG drills), and Group III (Protaper Sx)...
October 2016: European Journal of Dentistry
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