DOCSLIB.ORG

ENDODONTICS EPT – Stimulates Nerve Endings with Low Current And

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
ENDODONTICS EPT – Stimulates Nerve Endings with Low Current And ENDODONTICS . EPT – stimulates nerve endings with low current and high potential difference in voltage; stimulates A delta fibers; no gloves should be used because causes false negative. Results from EPT: ‐chronic pulpitis = higher current than normal ‐acute pulpitis = lower current than normal (acute inflammation mediators lower the pain threshold). ‐hyperemia = lower current than normal, but higher than acute pulpitis. False positives – pus‐filled canal or nervous patient. False negatives – trauma, insulating restoration, or wearing gloves. Trauma causing deep intrusion to a permanent tooth causes pulp necrosis and conventional RCT. SLOB Rule – root farther (buccal) from film will move to same direction cone is directed; lingual surface is always closest to the cone so buccal is always farthest. Referred Pain ‐ Forehead: max. incisors Nasolabial: max. canines and PMs. Temporal: max. 2nd PM. Ear: mand. molars Mentalis: mand. Incisors, canines, and PMs. Hemophilia is NOT a contraindication to endo. Special case – trauma with pulp obliteration but PDL normal; asymptomatic and no EPT response; TX= observe as long as tooth asymptomatic and no PA changes. ACCESS: . mand. molar = trapezoidal, most common tooth for RCT; tipped ML so overprepared ML access; in 40% of cases, may have 2 canals in distal root; . max molar = triangular, highest RCT failure, MB root is most complex of all teeth, because under MB cusp and must be accessed from DL position; M→P line is longest; 59% have MB2; the most common curvature of the palatal root is toward the facial. Lingual wall of mandibular teeth most often perforated. U‐shaped radiopacity overly apex of palatal root of max 1st molar is zygomatic process. Facial access on primary max incisors recommended. Mand. incisors and max 1st PMs most cautious for access because common in perforations. Perforations into furcations of multi‐rooted teeth have the poorest prognosis. TEETH CHARACTERISTICS: . Max. 1st PM – lingual root may be wider; 2 roots=60%; thin oval access, common perf on mesial concavity. Max. 2nd PM – more accessory canals than 1st pm; thin oval access; 85% has 1 root; overfilling either max. PMs will enter the maxillary sinus. Mand. 1st PM – 25% have 2 canals and 2 foramen. Mand. 2nd PM – 97% have 1 canal. Mand. Canine – slight labial incline so access toward lingual; thin MD, wide BL; access opening is a large oval with greatest width placed incisogingivally. Max. Canine – longest tooth. Max. lateral incisor – 55% has distal/lingual root curvature. Max. Anterior ‐ teeth have slight distal inclines; all max. anteriors ALWAYS have 1 root! . Mand. Incisors – may have 2 canals with the labial being the straighter one; may have distal/lingual curvature. Vital Teeth that don’t need RCT: 1. Cementoma, 2. Traumatic bone cyst, 3. Globulomaxillary cyst. Pulp capping: only most successful with pinpoint exposures; . Poorest prognosis when perforation into furcation of multi‐rooted tooth. Recapitulation: using MAF after each increase in file size to remove any dentin filling not removed by irrigation. Obturation only 2nd to canal debridgement. ENDO Liquids: . Sodium Hypochlorite (1%, 2.6%, or 5.25%) – germicidal solvent and antimicrobial; GP points can be disinfected in 5% NaOCl for 1 minute; toxic to vital tissues; 3 roles: 1) good tissue solvent. 2) antimicrobial effects 3) lubricant . Hydrogen Peroxide (3%) – bubbly solution removes debris b/c certain chemicals physically foams debris from canal (effervescent effect) and liberates oxygen so destroys anaerobes. Urea Peroxide (Gly‐Oxide) – decomposition; better than hydrogen peroxide and for narrow/curved canals for slippery effect of glycerol; better tolerated by tissue than NaOCl and more germicidal than H2O2 so EXCELLENT for tx of canals with normal PA tissue and wide apices. Chloroform – the vapor is very dangerous and used to dissolve gutta percha. Glass Bead Sterilizer – sterilized endo files in 15 sec at 220oC. EDTA (17%)– ethylene diamine tetra‐acetic acid; not good irrigation solution; decalcifying process is self‐limiting and stops as soon as chelator is used up; can remain active up to 5 days so must irrigate/inactivate with NaOCl at the end of the appt; chelating agents – calcify tissues in order to clean root surface for gutta percha and sealer to adapt; . chelating agent acts by substituting sodium ions that combine with dentin to form soluble salts for calcium ions that are bound in less soluble combination creating softer canal edges to facilitate canal enlargement. EDTA removes the mineralized portion (decalcify) of the smear layer. EDTAC – EDTA and cetavlon; greater antimicrobial action but greater inflammatory potential; inactivator – NaOCl. RCPrep – EDTA and urea peroxide so BOTH chelation and irrigation; for adequate RC debridgement, must achieve glassy smooth walls of canal; foamy solution with natural effervescence. Most common cause of RCT failure is inadequate disinfected RC; 2nd most common cause is poorly filled canals. MTA – mineral trioxide aggregate; calcium and phosphorus; long setting time and difficult to manipulate; increase pH; most superior retro‐filling/retrograde material. Mta seals apical portion of root canal and is always after apicoectomy alone will not yield a good result. Advantages: 1)RO 2) hydrophilic 3) biocompatible 4) induces hard tissue formation. BROKEN FILES: . If broken file past apex, surgery is performed. If broken file in apical 1/3 and no RL, then no surgery is needed but recall is a must. If broken file in apical 1/3 but RL is present, then surgery is performed; prepare and obturate to the point of blockage and then perform an apicoectomy without! retrofilling. Best prognosis if vital and no PA lesion. Easier to retrieve an instrument if it wedged coronal or at the curvature of the canal but very difficult if instrument has past canal curvature. INSTRUMENTATION: . 3 types of Instrumentation: 1. Filing (push&pull) – produces irregular shaped canals. 2. Reaming (repeated rotation) – produces round shaped canals. 3. Circumferential Filling (push and pull with emphasis on scraping canal walls) – enhances preparation for flaring. Narrowest diameter at DCJ (.5‐1.0mm from apex); widest diameter = orifice. Broaches – for pulp tissue and soft material removal not for canal enlargement. Files (stainless steel) – cut COUNTERCLOCKWISE; strongest of file but cut the least aggressively. K‐File – most useful instruments for removing hard tissue to enlarge canal; clockwise‐ counterclockwise motion while pressure placed apically; K‐flex file = modified K type file. Reamers – fewer flutes than files and removes debris CLOCKWISE but places material COUNTERCLOCKWISE; shave dentin using only a reaming action to enlarge canals. Hedstrom stainless steel files – for filing action only and much faster than other files because sharp edge but must be careful; modification is S‐file. Very light apical pressure is applied when using nickel titanium rotary files. Rotary instruments work faster and improve access early in tx compared to heated instruments. Endo first then perio, unless the case is of a primary periodontal lesion; common clinical finding of periodontal problem is pain to lateral percussion on a tooth with a wide sulcular pocket. Tooth must be asymptomatic and DRY at the time of obturation. Debridement is the most crucial aspect of RC tx; want glassy, smooth canal walls. Most common cause of RCT failure is inadequate disinfecting of RC system; 2nd most common cause of failures (40%) is leakage from poorly filled canals. OBTURATION: . If an accessory canal isn’t totally filled during obturation, then observe and evaluate every 3 mo. Main fct of RC sealer is to fill discrepancies between core filling material and dentin walls. ZOE Based Sealer – lubricant, bonding agent, and antimicrobial activity; disadv: staining, slow setting, non‐adhesion, and solubility; . All sealers are radiopaque from metallic salts in sealer. If GP past apex, file used beyond apex to avoid breaking cone; a broken cone in PA area can cause orthograde retx failure. How to remove GP: 1) rotary 2) ultrasonic 3) heat 4) heat and instrument; 5) file and chemical. Indications for using solvent‐softened custom gutta percha: 1. Lack of apical stop 2. Abnormally large apical portion of the canal. 3. Irregular apical portion of the canal. Don’t use if tugback is <1mm and DOESN’T produce better apical seal than normal GP. VERTICAL FRACTURES: . diffuse RL/halo surrounding root due to bony attachment apparatus; most common cause is due to too much condensation; inlays have been show to cause vertical fractures. Diagnostic aids: 1) fiberoptic light 2) wedging the tooth 3) persistent periodontal defects. 4) patient bite on bite stick. An additional radiograph taken with steep 45o vertical angulation in addition to conventional 90o. Vertical fractures thru root has poor almost hopeless prognosis. Anterior tooth root fractures usually in HORIZONTAL plane and may be visible in xray. BLEACHING: . Superoxol: most common bleaching agent for RCT teeth; 30% solution of hydrogen peroxide and distilled water; apply to heat to superoxol cotton til tooth lightens; heat liberates oxygen. bleaching effect is due to direct oxidation of stain‐producing substances. Complications: cervical root resorption, acute apical periodontitis (#1 complication), and enamel and dentin color changes. Bleaching causes color change in enamel and dentin. Walking Bleach Technique – Sodium Perborate and 2‐3 drops of superoxol in tooth chamber for 4‐7 days and repeat prn. Hydrogen
Load more

Recommended publications
  • Current Evidence on the Effect of Pre-Orthodontic Trainer in the Early Treatment of Malocclusion
    IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) e-ISSN: 2279-0853, p-ISSN: 2279-0861.Volume 18, Issue 4 Ser. 17 (April. 2019), PP 22-28 www.iosrjournals.org Current Evidence on the Effect of Pre-orthodontic Trainer in the Early Treatment of Malocclusion Dr. Shreya C. Nagda1, Dr. Uma B. Dixit2 1Post-graduate student, Department of Pedodontics and Preventive Dentistry, DY Patil University – School of Dentistry, Navi Mumbai, India 2Professor and Head,Department of Pedodontics and Preventive Dentistry, DY Patil University – School of Dentistry, Navi Mumbai, India Corresponding Author: Dr. Shreya C. Nagda Abstract:Malocclusion poses a great burden worldwide. Persistent oral habits bring about alteration in the activity of orofacial muscles. Non-nutritive sucking habits are shown to cause anterior open bite and posterior crossbite. Abnormal tongue posture and tongue thrust swallow result in proclination of maxillary anterior teeth and openbite. Mouth breathing causes incompetence of lips, lowered position of tongue and clockwise rotation of the mandible. Early diagnosis and treatment of the orofacial myofunctional disorders render great benefits by minimizing related malocclusion and reducing possibility of relapse after orthodontic treatment. Myofunctional appliances or pre orthodontic trainers are new types of prefabricated removable functional appliances claimed to train the orofacial musculature; thereby correcting malocclusion. This review aimed to search literature for studies and case reports on effectiveness of pre-orthodontic trainers on early correction of developing malocclusion. Current literature renders sufficient evidence that these appliances are successful in treating Class II malocclusions especially those due to mandibular retrusion. Case reports on Class I malocclusion have reported alleviation of anterior crowding, alignment of incisors and correction of deep bite with pre-orthodontic trainers.
    [Show full text]
  • Magnetic Forces in Orthodontics
    COPYRIGHT AND USE OF THIS THESIS This thesis must be used in accordance with the provisions of the Copyright Act 1968. Reproduction of material protected by copyright may be an infringement of copyright and copyright owners may be entitled to take legal action against persons who infringe their copyright. Section 51 (2) of the Copyright Act permits an authorized officer of a university library or archives to provide a copy (by communication or otherwise) of an unpublished thesis kept in the library or archives, to a person who satisfies the authorized officer that he or she requires the reproduction for the purposes of research or study. The Copyright Act grants the creator of a work a number of moral rights, specifically the right of attribution, the right against false attribution and the right of integrity. You may infringe the author’s moral rights if you: - fail to acknowledge the author of this thesis if you quote sections from the work - attribute this thesis to another author - subject this thesis to derogatory treatment which may prejudice the author’s reputation For further information contact the University’s Copyright Service. sydney.edu.au/copyright MAGNETIC FORCES IN ORTHODONTICS ANGIE C. PHELAN BDSc (Hons I) A thesis submitted in partial fulfilment of the requirements for the degree of Doctorate of Clinical Dentistry – Orthodontics Discipline of Orthodontics Faculty of Dentistry University of Sydney Australia 2010 1 DEDICATIONS To my family and Lachy, Thanks for your support and patience. I could not have made it without your help. 2 ACKNOWLEDGEMENTS I would like to take this opportunity to thank the people who have helped me complete this project: Professor M.
    [Show full text]
  • Early Transverse Treatment Steven D
    Early Transverse Treatment Steven D. Marshall, Karin A. Southard, and Thomas E. Southard Expansion of the maxillary arch to improve transverse inter-arch relationships during the primary or mixed dentition stage is considered early transverse treatment as part of a two-phase treatment protocol. Traditionally, early expansion has been used to correct posterior crossbite. More recently, it has been suggested that early transverse treatment may be beneficial, in the absence of posterior crossbite, to improve arch length deficiency, and to facilitate correction of skeletal class II malocclusions. In this article, the rationale for early transverse treatment in the presence and absence of posterior crossbite is reviewed. Semin Orthod 11:130–139 © 2005 Elsevier Inc. All rights reserved. orrection of posterior crossbite is the most common rea- mandibular teeth. Posterior buccal crossbite occurs when the Cson for early transverse treatment. Figure 1 displays the lingual cusps of the maxillary teeth are buccal to the opposing orthodontic records of a typical case with the following his- buccal cusps of the mandibular teeth. tory: The mother states that their general dentist identified a What is the incidence of posterior crossbite in the de- crossbite in her daughter and recommended that she see an ciduous and mixed dentitions? Estimates range from 7% to orthodontist. Past medical and dental history is noncontrib- 23% with a greater prevalence of unilateral crossbite coupled with utory. Clinical and radiographic examination reveal an Angle a lateral shift of the mandible. Class I malocclusion in the primary dentition, maxillary mid- In a sample of 898 four-year-old Swedish children, Thi- line coincident with the face, and a functional shift to the lander and coworkers identified crossbites in 9.6%.1 Simi- right from centric relation to centric occlusion with corre- larly, in a study of 238 nursery school and 277 second-grade sponding deviation of the chin and mandibular midline.
    [Show full text]
  • 2320-5407 Int. J. Adv. Res. 9(03), 561-580
    ISSN: 2320-5407 Int. J. Adv. Res. 9(03), 561-580 Journal Homepage: -www.journalijar.com Article DOI:10.21474/IJAR01/12616 DOI URL: http://dx.doi.org/10.21474/IJAR01/12616 RESEARCH ARTICLE REMOVABLE MYOFUNCTIONAL APPLIANCES : AN OVERVIEW Dr. Aiswarya Madhu1, Dr. Shipra Jaidka2, Dr. Rani Somani3, Dr. Deepti Jawa2, Dr. Hridya V.G1, Dr. Muhamed Sabin A.P1, Dr. Arwah Bashir1, Dr. Layeeque Ahmad1 and Dr. Payel Basu1 1. Post Graduate Student, Department of Pediatric and Preventive Dentistry, DivyaJyoti College of dental Science and Research. 2. Professor, Department of Pediatric and Preventive Dentistry, DivyaJyoti College of Dental Science and Research. 3. Professor and Head, Department of Pediatric and Preventive Dentistry, DivyaJyoti College of Dental Science and Research. …………………………………………………………………………………………………….... Manuscript Info Abstract ……………………. ……………………………………………………………… Manuscript History Conventional orthodontic appliances use mechanical forces to modify Received: 20 January 2021 the position of tooth/ teeth into a more favorable position. However, the Final Accepted: 24 February 2021 scope of these fixed appliances are greatly restricted by certain Published: March 2021 morphological conditions which are caused due to deviations in the developmental process or the neuromuscular capsule surrounding the Key words:- Functional Appliance, Activator, orofacial skeleton. To overcome this drawback, myofunctional Bionator, Twin Block, Frankel appliances came into being. These appliances are considered to be Appliance primarily orthopedic tools to guide the facial skeleton of the growing child. The distinctiveness of these appliances lies in the fact that instead of applying active forces,they transmit, eliminate and guide the natural forces like, muscle activity, growth, tooth eruption, to eliminate the morphological abnormalities and try to generate conditions for the harmonious development of the stomatognathic system.
    [Show full text]
  • Treatment of Class II Open Bite in the Mixed Dentition with a Removable
    Orthodontics Treatment of Class II open bite in the mixed dentition with a removable functional appliance and headgear Peter Ngan* / Stephen Wilson"' "^ / Michael Florman^' '^ '•" I Stephen H, Y. Wei* * * * Early diagno.ús of patients exhibiting open bites that are complicated by skeletal Class ¡I and vertical growth problems can facilitale subsequent treatment. Eight patients with Class 11 skeletal open bite were treated with the high-pull activator appliance and compared to reasonably matched controls to determine the effects of the appliance. The high-pull activator was found to reduce forward growth of the maxilla and increase mandibular alveolar height, transforming the Class II molar relationship into a Class ! molar relationship. The overjet atid open bite were decreased, and, in addition, the appliance reduced the amount of forward and downward movement of the maxillary molars, providing vertical control of the maxilla during Class II ortho- pedic correction. These results demonstrated that open bite complicated by a Class 11 vertical growth pattern can be treated during the mixed dentition with favorable results by a combination of a removable functional appliance and high-pull headgear, (Quintessence Int 1992,-23:323-333.) Introduction A dental open bite is one that is limited to the an- terior region in an individual with good facial propor- Anterior open bite is defined as the absence of con- tions," Current orthodontic treatment often consists of tact between the maxillary and mandibular incisors at fabrication of a habit appliance such as a tongue re- centric relation,' In youuger children, il can be caused strainer, evaluation for airway insufficieucy, and place- by one factor or a combination of factors, including ment of fixed orthodontic appliances if needed.
    [Show full text]
  • Treatment Effects of the Bionator and High-Pull Facebow Combination Followed by fixed Appliances in Patients with Increased Vertical Dimensions
    ORIGINAL ARTICLE Treatment effects of the bionator and high-pull facebow combination followed by fixed appliances in patients with increased vertical dimensions Christopher S. Freeman,a James A. McNamara, Jr,b Tiziano Baccetti,c Lorenzo Franchi,d and Theodore W. Graffe Ann Arbor, Mich, Fort Lauderdale, Fla, Florence, Italy, and Endicott, NY Introduction: The purpose of this study was to evaluate the effectiveness of a first phase of bionator and high-pull facebow treatment followed by a second phase of fixed appliance therapy in growing subjects with increased vertical dimensions. Methods: The records of 24 subjects with high-angle skeletal relationships (mean MPA value ϳ30°) treated consecutively with this protocol were examined. Cephalometric measure- ments were compared with those obtained from 23 sets of records of an untreated group matched according to age, gender, vertical skeletal relationships, and time intervals between records. The matched group of patients was from the University of Michigan Elementary and Secondary School Growth Study. Lateral cephalograms were analyzed prior to the start of treatment (T1, mean age 9.1 years), at the start of phase 2 treatment (T2, mean age 11.9 years), and after phase 2 treatment (T3, mean age 14.7 years). The total treatment duration (phase 1, retention, and phase 2) for the treated group was 5.5 years, whereas the control group total time interval averaged 5.6 years. Results: As to sagittal relationships, no significant differences were found between treated subjects and controls at the end of the 2-phase treatment for all measurements. Counterintuitively, the bionator and high-pull headgear combination worsened the hyperdivergent facial pattern at a clinically significant level, as shown by analysis of final facial forms.
    [Show full text]
  • Early Treatment of Class II Division 1 Malocclusion by Modified Teuscher Activator with Lip Bumper: a Case Series
    ORIGINAL ARTICLE Early Treatment of Class II Division 1 Malocclusion by Modified Teuscher Activator with Lip Bumper: A Case Series Mohammed Al-Awdi, Ahmad Hafez, Maher Fouda Department of Orthodontics, Faculty of Dentistry, Mansoura University, Mansoura - 35516, Egypt Email for correspondence: [email protected] ABSTRACT Context: Class II malocclusion is considered as one of the most prevalent types of malocclusion encountered in routine orthodontic practice and described by an improper relationship among the upper and lower jaws caused by dental or skeletal problems or a combination of both. Aims and Objective: To evaluate the effects of early treatment of Class II Division 1 malocclusion by modified Teuscher activator with lip bumper. Materials and Methods: The current prospective clinical study consisted of 15 subjects (8 girls and 7 boys) with skeletal Class II Division 1 malocclusion due to retrognathism of the mandible with the mean chronological age of (10.4 ± 0.6 years). Lateral cephalograms were taken before (0) and after (1) treatment. Results: Treatment of growing patients with modified Teuscher activator led to correction of Class II Division 1 malocclusion by advancement of mandible (SNB; 2.61°), increase of mandibular length (Co-Gn; 3.58 mm), restriction of maxillary growth (SNA; 0.13°), and decrease of overjet (5.45 mm). Conclusion: Modified Teuscher activator was an effective appliance in managing growing patients with Class II Division 1 due to mandibular retrusion. Key words: Class II Division 1 malocclusion, growing patients, lip bumper, modified Teuscher activator INTRODUCTION avoidance of upper incisors trauma as a result of Class II malocclusion is considered as one of the large overjet, esthetic improvement, psychosocial most prevalent types of malocclusion encountered advantages for the child during an important in routine orthodontic practice and described by formative period of life, and better prediction for the [2] an improper relationship among the upper and adolescent phase of treatment.
    [Show full text]
  • A Systematic Review of Oral Myofunctional Therapy, Methods
    Sys Rev Pharm 2020; 11(6): 511 521 A multifaceted review journal in the field of pharmacy E-ISSN 0976-2779 P-ISSN 0975-8453 A Systematic Review of Oral Myofunctional Therapy, Methods and Development of Class II Skeletal Malocclusion Treatment in Children Harun Achmad1*, Nurul Mutmainnah2, Yunita Feby Ramadhany3 *1Lecture of Pediatric Dentistry, Department of Pediatric Dentistry Faculty of Dentistry, Hasanuddin University, Indonesia 2Clinical Student of Faculty of Dentistry, Hasanuddin University, Indonesia 3Dentist, Faculty of Dentistry, Hasanuddin University, Makassar, Indonesia Corresponding author: [email protected] Article History: Submitted: 05.04.2020 Revised: 11.05.2020 Accepted: 23.06.2020 ABSTRACT The purpose of this review is to conduct a detailed analysis of the myofunctional oral therapy allows the treatment of several problems literature on the use of myofunctional oral therapy tools for the associated with the development of class II malocclusions. Although treatment of Class II skeletal malocclusions. From March to May 2020, therapy induces mainly dentoalveolar changes that result in significant a comprehensive and systematic search was performed on the overjet reduction, this therapy also shows a positive effect on Medline (PubMed) and Google Scholar databases for works published masticatory and perioral muscles. This method has been proven since January 2010, using the following terms in the search: oral effective in obtaining significant corrections for class II skeletal myofunctional tools; Class II skeletal malocclusions in children; malocclusions. treatment of class II bone malocclusion in children. Additional manual Keywords: Treatment of Class II Malocclusion; Myofunctional Oral searches from other sources are also carried out. Only scientific Therapy; Children articles in English are considered for this review.
    [Show full text]
  • Effects of Class Ii High-Pull Headgear Activator Using Finite Element Method: Aten Year Perspective
    DOI: 10.26717/BJSTR.2018.02.000790 Marta Isabel Jorge. Biomed J Sci & Tech Res ISSN: 2574-1241 Review Article Open Access Effects of Class Ii High-Pull Headgear Activator Using Finite Element Method: Aten Year Perspective Marta Isabel Jorge1, Jorge Dias Lopes1, Maria João Ponces 1 and Mário Vaz2 1Department of Orthodontics, Faculty of Dental Medicine of University of Porto, Portugal 2Department of Mechanical Engineering, Faculty of Engineering of University of Porto, Portugal Received: February 08, 2018; Published: February 22, 2018 *Corresponding author: Marta Isabel Jorge, Department of Orthodontics, Faculty of Dental Medicine of University of Porto, Rua Dr Manuel Pereira da Silva, 4200- 393 Porto, Portugal, Tel: ; Email: Abstract The combination of an activator with a headgear is a common method used to correct hyperdivergent Class II malocclusion, improving skeletal and dental relationship, distal displacement of the maxilla, and controlling vertical eruption and upper molars distalization. The isimportance gaining high of studying acceptance three-dimensional from the researchers, effects particularly of mechanical in thetension use ofon headgear teeth, oral activators. structures This and study craniofacial presents complex, a mini-review associated of literature with the use of these activators, is essential to ensure the success of clinical treatments. Three-dimensional finite element method use in orthodontics pull headgear activators, on the treatment of hyperdivergentClass II malocclusion, in the last decade. studies that use three-dimensional finite element method to investigate three-dimensional effects of the mechanical tension originated by high- element method in the evaluation of biomechanical effects from these activators and stand out the importance of the modeling procedure in the Using set key words and inclusion and exclusion criteria, three articles wereidentified.
    [Show full text]
  • Swedish Dental Journal Scientific Journal of the Swedish Dental Association
    Posttidning B Swedish Dental Journal Scientific Journal of The Swedish Dental Association No. 3/14 Vol.38 Pages 101–160 contents The fit of crowns produced using digi- tal impression systems Vennerström, Fakhary, Vult von Steyern 101 Implementation of laser technology and treatment at county level in the Swedish Public Dental Service Bergholm, Östberg, Gabre 111 Orthodontic treatment by general practitioners in consultation with orthodontists – a survey of appliances recommended by Swedish orthodont- ists Petrén, Bjerklin, Ecorcheville, Hedrén 121 Outcome of orthodontic care and residual treatment need in Swedish 19-year-olds Göranson, Lundström, Bågesund 133 Anamnestic findings from patients The fit of crowns produced using digital impression systems with recurrent aphthous stomatitis page 101 Bratel, Hakeberg 143 Adverse events in Public Dental Service in a Swedish county – a survey of reported cases over two years Jonsson, Gabre 151 Swedish Dental Journal Swedish Dental Journal is the scientific journal of The Swedish Dental Association and of The Swedish Dental Society 2 swedish dental journal vol. 25 issue 1 2001 swedish dental journal vol. 25 issue 1 2001 3 Omslag nr 3 2014.indd 2-3 2014-10-07 09:49 supplements to swedish dental journal Swedish 216. Molar Incisor Hypomineralization. Morphological and chemical Dental Journal aspects, onset and possible etiological factors Scientific journal Tobias Fagrell (2011) 400 SEK of the Swedish Dental Association and the Swedish Dental Society Instructions to authors 217. Bonding of porcelain to titanium- clinical and technical possibilities issn: 0347-9994 Introduction References Per Haag (2011) 400 SEK Swedish Dental Journal, the scientific In the reference list the references should Editor-in-chief journal of The Swedish Dental Associa- be arranged in alphabetical order and 218.
    [Show full text]
  • Removable Functional Appliances
    Asian Journal of Dental Research Volume I, Issue II Removable Functional Appliances Shalki Alawadhi1, S. M. Bapat2, Preeti Bhardwaj3 Department of Orthodontics and Dentofacial Orthopaedics1,2,3, BDS, Post Graduate Student, Department of Orthodontics and Dentofacial Orthopaedics1 M.D.S, Professor and Head, Department of Orthodontics and Dentofacial Orthopaedics2 M.D.S, Reader, Department of Orthodontics and Dentofacial Orthopaedics3 K. D. Dental College and Hospital, Mathura, India1,2,3 [email protected] Abstract: Malocclusion Functional appliances or myofunctional appliances are referred to appliances that depend upon the oro facial musculature for their action. These appliances transmit, eliminate or guide the natural forces of the musculature and are used to alter the mandibular position in the Sagittal, Vertical and Transverse plane resulting in Orthopedic and Orthodontic change. They are designed to alter the activity of various muscle groups that influence the function and position of the mandible in order to transmit forces to the dentition and the basal bone. Functional appliances are given in the management of skeletal class II malocclusion and Class III malocclusion in growing children. They are also called “GROWTH MODIFYING APPLIANCES” and “INTERCEPTIVE APPLIANCES. They are used for growth modification procedures that are aimed at intercepting and treat in jaw discrepancies by increase or decrease in jaw size, change in spatial relationship of the jaws, change in direction of growth of the jaws and acceleration of desirable growth. A new pattern of function dictated by the appliance leads to development of corresponding new morphologic pattern. The new morphologic pattern includes a different arrangement of the teeth within the jaws, an improvement of the occlusion and an altered relation of jaws.
    [Show full text]
  • Effects of Functional Appliance Therapy on the Depth of the Pharyngeal Airways: Activator Vs
    Journal of Dental Health Oral Disorders & Therapy Research Article Open Access Effects of functional appliance therapy on the depth of the pharyngeal airways: activator vs. forsus Abstract Volume 3 Issue 1 - 2015 Aims: The aim of this study was to evaluate the changes in Dento-skeletal components Amjad Al Taki,1 Arash Ghaffarpasand2 following orthopedic therapy of Class II skeletal malocclusions, and to assess the effect of 1Private practice, Orthodontist and Dentofacial Orthopedist, these changes on the depth of the pharyngeal airways, after treatment with removable and UAE fixed functional appliances. 2Private practice, Dentist, Iran Methodology: 25 adolescents (14 boys and 11 girls, mean age 11.67 years) were chosen. Correspondence: Amjad Al Taki, Private practice, The subjects were divided into two groups according to the treatment type: removable Orthodontist and Dentofacial Orthopedist, UAE, Tel 971 appliance group (13 subjects, 7 boys and 6 girls, mean age 12 years) and fixed appliance 508772721, Email group (12 subjects, 7 boys and 5 girls, mean age 11.33 years). Lateral cephalometric radiographs taken before (T1) and after the treatments (T2) were digitally analyzed. Paired Received: August 18, 2015 | Published: November 13, 2015 t-test was used to determine the possible statistically significant changes (T2-T1) for both groups. Identified differences between the groups were further analyzed using the Mann- Whitney U-test at the 95% confidence interval P( <.05). Results: Functional appliance therapy showed no statistically significant changes in upper pharyngeal airway depth (UPAD) and middle pharyngeal airway depth (MPAD). Only the lower pharyngeal airway depth (LPAD) was increased significantly (P<.05) due to the forward positioning of the mandible, determined by significant increase in SNB, ANB, and Pog to N perp.
    [Show full text]