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https://www.readbyqxmd.com/read/29140379/seven-year-follow-up-of-full-arch-prostheses-supported-by-four-implants-a-prospective-study
#1
Karen Vaz Ayub, Eduardo Antônio Ayub, Accácio Lins do Valle, Gerson Bonfante, Thiago Pegoraro, Luiz Fernando
PURPOSE: To evaluate biologic and prosthetic outcomes of implant-supported mandibular full-arch fixed prostheses treated with the All-on-4 treatment concept after 7 years. MATERIALS AND METHODS: Patients were selected to receive full-arch fixed immediate prostheses supported by four implants up to 72 hours after surgery. The following biologic aspects were evaluated: Plaque Index (PI) and Bleeding Index (BI), implant stability by resonance frequency, and marginal bone loss (MBL) measured with the aid of periapical radiographs...
November 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29140376/evaluating-maxillary-sinus-septa-using-cone-beam-computed-tomography-is-there-a-difference-in-frequency-and-type-between-the-dentate-and-edentulous-posterior-maxilla
#2
Martina Schriber, Thomas von Arx, Pedram Sendi, Reinhilde Jacobs, Valerie Ga Suter, Michael M Bornstein
PURPOSE: To analyze and compare the frequency, type, and location of maxillary sinus septa in patients with a dentate and an edentulous posterior maxilla using cone beam computed tomography (CBCT) imaging. MATERIALS AND METHODS: The study consisted of 100 maxillary sinuses: 50 from patients with a dentate and 50 from patients with an edentulous posterior maxilla. The aim was to assess the frequency, morphology, and location of maxillary sinus septa in axial, sagittal, and coronal CBCT images...
November 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29135734/cone-beam-computed-tomography-assessment-of-accessory-infraorbital-foramen-and-determination-of-infraorbital-foramen-position
#3
Ibrahim K Ali, Kaustubh Sansare, Freny R Karjodkar, Prashant Salve
There is no evidence about evaluating accessory infraorbital foramen by 3-dimensional analysis like multi slice computed tomography or cone beam computed tomography (CBCT) in human subjects. To authors' best knowledge this is a first study to assess the accessory infraorbital foramen and position of infraorbital foramen in relation to crown of maxillary teeth using CBCT. This study primarily aimed to assess the location and number of accessory infraorbital foramen (AIOF), to measure the distance between main infraorbital foramen and AIOF and secondarily to determine the position of infraorbital foramen in relation to crowns of maxillary second premolar, first molar, and second molar...
November 9, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29135272/-protecting-the-inferior-alveolar-nerve-coronectomy-of-lower-third-molars-review
#4
József Szalma, Edina Lempel
Coronectomy of lower impacted wisdom teeth is the partial removal of third molars, aiming to avoid inferior alveolar nerve injuries. The coronectomy procedure has several crucial points, such as the pulpal, periapical preoperative conditions of the tooth, the way of crown sectioning and decoronation, the wound closure and the length of patients' follow up. In addition it is important to identify and manage possible intraoperative or postoperative complications correctly. According to the literature, the complication rate of coronectomy is usually lower, than that of total teeth removal, furthermore considering inferior alveolar nerve injuries, coronectomy is significantly the safer procedure...
November 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/29134232/skeletally-anchored-mesialization-of-molars-using-digitized-casts-and-two-surface-matching-approaches-analysis-of-treatment-effects
#5
Kathrin Becker, Benedict Wilmes, Chantal Grandjean, Sivabalan Vasudavan, Dieter Drescher
PURPOSE: To (1) quantify the three-dimensional treatment effect of a Mesialslider appliance using superimposed digital models, (2) to evaluate anchorage loss (measured by incisor displacement), and (3) to assess agreement between two different matching approaches, i.e., control point (CP)-based and iterative closest point (ICP) matching. METHODS: In a retrospective study, the effects of a skeletally anchored uni- and bilateral mesialization appliance (Mesialslider) as well as simultaneous mesialization and distalization appliance (Mesio-Distalslider) were evaluated in 48 subjects (aged 11-53 years)...
November 13, 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/29133965/evaluation-of-adjunctive-effect-of-low-level-laser-therapy-on-pain-swelling-and-trismus-after-surgical-removal-of-impacted-lower-third-molar-a-double-blind-randomized-clinical-trial
#6
Farrokh Farhadi, Hosein Eslami, Alireza Majidi, Vahid Fakhrzadeh, Milad Ghanizadeh, Sahar KhademNeghad
Background and Aim: Wisdom teeth remains impacted in the jaw due to several reasons and surgery of impacted wisdom teeth is one of the most common surgeries in dental clinics. Pain, swelling and trismus are the common complications after this surgery which affect quality of life. In articles, various methods are introduced to control immediate inflammatory-response associated with third-molar surgery. The aim of this study is to evaluate the adjunctive effect of low-level laser Therapy on pain, swelling and trismus after surgical removal of impacted lower third molar...
September 30, 2017: Laser Therapy
https://www.readbyqxmd.com/read/29130127/predictability-of-orthodontic-movement-with-orthodontic-aligners-a-retrospective-study
#7
Luca Lombardo, Angela Arreghini, Fabio Ramina, Luis T Huanca Ghislanzoni, Giuseppe Siciliani
BACKGROUND: The aim of this study was to evaluate the predictability of F22 aligners (Sweden & Martina, Due Carrare, Italy) in guiding teeth into the positions planned using digital orthodontic setup. METHODS: Sixteen adult patients (6 males and 10 females, mean age 28 years 7 months) were selected, and a total of 345 teeth were analysed. Pre-treatment, ideal post-treatment-as planned on digital setup-and real post-treatment models were analysed using VAM software (Vectra, Canfield Scientific, Fairfield, NJ, USA)...
November 13, 2017: Progress in Orthodontics
https://www.readbyqxmd.com/read/29128128/cad-fe-modeling-and-analysis-of-class-ii-restorations-incorporating-resin-composite-glass-ionomer-and-glass-ceramic-materials
#8
Pietro Ausiello, Stefano Ciaramella, Massimo Martorelli, Antonio Lanzotti, Antonio Gloria, David C Watts
OBJECTIVES: To investigate the influence of specific resin-composite, glass ceramic and glass ionomer cement (GIC) material combinations in a "multi-layer" technique to replace enamel and dentin in class II mesio-occlusal-distal (MOD) dental restorations using 3D-Finite Element Analysis (FEA). METHODS: Four 3D-FE models (A-D) of teeth, adhesively restored with different filling materials, were created and analyzed in comparison with a 3D model (E) of a sound lower molar...
November 8, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/29125931/outcome-analysis-and-unexpected-scenario-prediction-in-2-stage-orthodontic-lower-third-molar-extraction
#9
Tze-Ta Huang, Chen-Jung Chang, Ken-Chung Chen, Jen-Bang Lo, Meng-Yen Chen, Jehn-Shyun Huang
PURPOSE: We propose a 2-stage orthodontic lower third molar extraction procedure to reduce iatrogenic inferior alveolar nerve injury. We tested our hypothesis that there are factors that can predict both dislodgement of the root portion and limited traction distances. PATIENTS AND METHODS: Fifteen patients (mean age, 25.7 years; age range, 17 to 65 years) with 20 lower third molars were enrolled. Panoramic films and cone beam computed tomography were analyzed...
October 16, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29123632/management-of-post-endodontic-retreatment-pain-with-low-level-laser-therapy
#10
Mohammad Asnaashari, Hengameh Ashraf, Amir Houshang Daghayeghi, Seyed Masoud Mojahedi, Saranaz Azari-Marhabi
Introduction: Pharmacotherapy with analgesics and non-steroidal anti-inflammatory drugs has been traditionally used to relief post-operative pain of endodontic treatments. However, due to the side effects reported for these drugs, some efforts have been made to decrease the post-operative pain of the endodontic treatments through laser irradiation. The present study aimed to evaluate the effects of low level laser therapy (LLLT) on the reduction of pain after root canal retreatment. Methods: In this clinical trial, 61 patients requiring endodontic retreatments in posterior teeth were selected...
2017: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/29122074/cone-beam-computed-tomography-evaluation-of-hand-nickel-titanium-k-files-and-rotary-system-in-primary-teeth
#11
Etta Radhika, E Rajendra Reddy, S Thabitha Rani, Labishetty Vinay Kumar, M Manjula, Tulluru Ajay Mohan
PURPOSE: The purpose of this study was to compare canal transportation, centering ability, and removed dentin thickness (RDT) using hand nickel-titanium (NiTi) K-flex files and rotary systems in primary molars and using cone beam computed tomography (CBCT). METHODS: This study was conducted on 20 primary maxillary and 20 primary mandibular molars, which were randomly divided into two groups to be instrumented with hand NiTi K-flex files and a rotary system. Pre- and post-instrumentation slices were taken at three predetermined levels using CBCT to evaluate all the parameters by using Digital Imaging Communications in Medicine (DICOM) software...
July 15, 2017: Pediatric Dentistry
https://www.readbyqxmd.com/read/29122067/the-clinical-and-radiographic-success-of-primary-molar-pulpotomy-using-biodentine%C3%A2-and-mineral-trioxide-aggregate-a-24-month-randomized-clinical-trial
#12
Mehmet Bani, Nagehan Aktaş, Çağdaş Çınar, Mesut Enes Odabaş
PURPOSE: The purpose of this study was to compare the clinical and radiographic success of Biodentine™ and mineral trioxide aggregate (MTA) pulpotomy in primary molars. METHODS: Thirty-two four- to nine-year-olds were included in this study. The primary molars were randomly assigned to the Biodentine™ and MTA groups. After coronal pulp removal and hemostasis, the remaining pulp tissue was covered with Biodentine™ or MTA. All teeth were restored with stainless steel crowns...
July 15, 2017: Pediatric Dentistry
https://www.readbyqxmd.com/read/29121437/a-novel-pitx2-mutation-in-non-syndromic-oro-dental-anomalies
#13
Narin Intarak, Thanakorn Theerapanon, Chupong Ittiwut, Kanya Suphapeetiporn, Thantrira Porntaveetus, Vorasuk Shotelersuk
OBJECTIVE: To identify oro-dental characteristics and genetic etiology of a family affected with non-syndromic oro-dental anomalies. SUBJECTS AND METHODS: Physical and oral features were characterised. DNA was collected from an affected Thai family. Whole exome sequencing was employed to identify the pathogenic variants associated with inherited oro-dental anomalies. The presence of the identified mutation was confirmed by Sanger sequencing. RESULTS: We observed unique oro-dental manifestations including oligodontia, retained primary teeth, taurodont molars, peg-shaped maxillary central incisors, high attached frenum with nodule, and midline diastema in the proband and her mother...
November 9, 2017: Oral Diseases
https://www.readbyqxmd.com/read/29118257/bone-loss-in-furcation-involved-mandibular-molars-a-retrospective-analysis
#14
Clara S Kim, Sandra K Rich
Purpose: The purpose of this retrospective study was to determine whether teeth with furcation involvement lose significantly more bone in furcation sites over time than interproximal sites of the same tooth.Methods: Existing radiographs were analyzed to compare the rate of bone loss between furcation and interproximal sites of the same tooth. Selection criteria included mandibular molars with furcation involvement and a minimum follow-up of 5 years. Using ImageJ software, anatomical landmarks were located and measured corono-apically...
April 2017: Journal of Dental Hygiene: JDH
https://www.readbyqxmd.com/read/29116494/clinical-and-microbiological-effectiveness-of-photodynamic-therapy-on-primary-endodontic-infections-a-6-month-randomized-clinical-trial
#15
Rachel Garcia de Miranda, Ana Paula Vieira Colombo
INTRODUCTION: This short-term randomized controlled trial evaluated the effectiveness of photodynamic therapy (PDT) on clinical success (periapical healing) and on the microbiota of primary endodontic infections. METHODS: Thirty-two patients presenting mandibular molars with apical periodontitis (one tooth/patient) were selected and randomly allocated into two therapeutic groups: control (chemo-mechanical debridement [CMD]; n = 16) and PDT (CMD + PDT; n = 16)...
November 7, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29116301/clinical-performance-of-fluorescence-based-methods-for-detection-of-occlusal-caries-lesions-in-primary-teeth
#16
Laura Regina Antunes Pontes, Tatiane Fernandes Novaes, Bruna Lorena Pereira Moro, Mariana Minatel Braga, Fausto Medeiros Mendes
We aimed to investigate the performance of fluorescence-based methods (FBMs), compared to visual inspection after histological validation, in detecting and assessing the activity status of occlusal carious lesions in primary teeth. One examiner evaluated 50 primary molars close to exfoliation in 24 children. Teeth were assessed using quantitative light-induced fluorescence (QLF) and pen-type laser fluorescence (LFpen). After exfoliation, histological validation was performed. Teeth were cut and sections were evaluated for lesion depth and activity status (after utilization of a pH indicator) under a stereomicroscope...
November 6, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/29114426/investigation-of-impacted-supernumerary-teeth-a-cone-beam-computed-tomograph-cbct-study
#17
Gokhan Gurler, Cagri Delilbasi, Evren Delilbasi
Purpose: The purpose of this study was to investigate the impacted supernumerary teeth which were initially detected on panoramic radiographs by using cone beam computed tomography (CBCT). Materials and Methods: In this retrospective study, supernumerary teeth diagnosed on panoramic radiographs taken from patients who had admitted for routine dental treatment were evaluated using CBCT. Patients' age, gender, systemic conditions as well as number of supernumerary teeth, unilateral-bilateral presence, anatomical localization (maxilla, mandible, anterior-premolar-molar, mesiodens-lateral-canine, parapremolar-paramolar-distomolar) shape (rudimentary, supplemental, tuberculate, odontoma), position (palatal-lingual-buccal-labial-central), shortest distance between the tooth and adjacent cortical plate, complications and treatment were assessed...
2017: J Istanb Univ Fac Dent
https://www.readbyqxmd.com/read/29114228/integrative-temporo-spatial-mineralogic-spectroscopic-and-proteomic-analysis-of-postnatal-enamel-development-in-teeth-with-limited-growth
#18
Mirali Pandya, Hui Liu, Smit J Dangaria, Weiying Zhu, Leo L Li, Shuang Pan, Moufida Abufarwa, Roderick G Davis, Stephen Guggenheim, Timothy Keiderling, Xianghong Luan, Thomas G H Diekwisch
Tooth amelogenesis is a complex process beginning with enamel organ cell differentiation and enamel matrix secretion, transitioning through changes in ameloblast polarity, cytoskeletal, and matrix organization, that affects crucial biomineralization events such as mineral nucleation, enamel crystal growth, and enamel prism organization. Here we have harvested the enamel organ including the pliable enamel matrix of postnatal first mandibular mouse molars during the first 8 days of tooth enamel development to conduct a step-wise cross-sectional analysis of the changes in the mineral and protein phase...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29109318/extrusion-of-debris-from-primary-molar-root-canals-following-instrumentation-with-traditional-and-new-file-systems
#19
Bhagyashree Thakur, Ajinkya M Pawar, Anda Kfir, Prasanna Neelakantan
INTRODUCTION: To assess the amount of debris extruded apically during instrumentation of distal canals of extracted primary molars by three instrument systems [ProTaper Universal (PTU), ProTaper NEXT (PTN), and self-adjusting file (SAF)] compared with conventional stainless steel hand K-files (HF, control). MATERIALS AND METHODS: Primary mandibular molars (n = 120) with a single distal canal were selected and randomly divided into four groups (n = 30) for root canal instrumentation using group I, HF (to size 0...
November 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29109316/evaluation-and-comparison-between-formocresol-and-sodium-hypochlorite-as-pulpotomy-medicament-a-randomized-study
#20
Shikhar P Chauhan, Mukesh Gupta, Hina Ahmed, Ravish Tongya, Dheeraj Sharma, Bhanu Chugh
INTRODUCTION: Pulpotomy is the most common treatment to preserve vitality of cariously exposed molars. Various pulpotomy medicaments used should be antimicrobial, should help in healing without damaging surrounding tissue, and should not affect eruption of permanent teeth. Thus, this study was conducted to evaluate and compare the clinical and radiographic outcomes of formocresol (FC) and sodium hypochlorite (NaOCl) in primary molars. The aim of this randomized study was to compare the clinical and radiographic success rate of FC and 5% NaOCl as a pulpotomy medicament in primary molars...
November 1, 2017: Journal of Contemporary Dental Practice
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