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Abrasion of teeth ppt

PPT - ABNORMALITIES OF TEETH PowerPoint Presentation, free

PPT-125B Price & Stoc

a. Teeth are one of the most distinct and long-lasting features of mammals. b.Teeth are not made of bone; instead the hard white portion of a tooth is enamel and dentin. i. Both are composed of calcium and phosphorus. ii. Enamel is the hardest substance in the human body, to protect the teeth from high temperatures and pressure. It als 12 Developmental alterations Number Size Shape Structure Developmental alterations Number Hypodontia Lack of development of one or more teeth Anodontia Total lack of tooth development Hyperdontia Development of an increased number of teeth Hypodontia Common dental anomaly 3.5%-8% (excluding third molars) Female predominance about 1.5:1 Uncommon in primary dentition (<1%

Abfraction Tooth Abrasion - The Engineering Internship

4-Place the teeth as nearly as possible where the original natural tooth was located. 5. Proximal surface of the artificial tooth may need to be re-contoured for better adaptation to the adjacent natural tooth, without loosing its morphology. 6. The denture base flanges should be carefully contoured & smoothed. Remov Abrasion is the loss of tooth substance from factors other than tooth contact (1) (Fig. 2). Perceptions relating to the relative importan-ce of erosion, attrition, and abrasion are geographically polarized, with apparently lower recognition in North America of the potential consequences of acids in toot Class V - caries on the gingival third of the facial or lingual surface of all teeth ( not pit & fissures) Class VI - abrasion of the incisal edge or occlusal surfaces of the teeth. Charting area - this is the diagrammatic representation (pictures) of the teeth Treatment Rendered - this is the written record of all treatment (and. An overview of tooth wear, i.e. of non-carious destructive processes affecting the teeth including abrasion, demastication, attrition, abfraction, resorption and erosion is presented. The nomenclature and classification of dental erosion com- nionly used in the dental literature are summarized. They are based on etiolog

Toothpaste Abrasion Chart Very Low Abrasive RDA (Relative Dentin Abrasivity) 04 Toothbrush with plain water 07 Straight baking soda 08 Arm & Hammer Tooth Powder 15 Weleda Salt Toothpaste 18 CTx4 Gel 30 Elmex Sensitive Plus 30 Weleda Plant Tooth Gel 35 Arm & Hammer Dental Care 37 Sensodyne ProNamel Low Abrasive 40 Weleda Children's Tooth Ge Download MedicPresents's royalty free Chemical Composition of The Teeth ppt slides and Bloodborne Pathogens and Regulated Medical Waste presentation slides,Latest ppt presentations. Discover and Share Medical Presentations & Medical Documents. Download Free Medical PowerPoint Templates and Free Medical Document Templates

Attrition, Erosion and Abrasion of teeth. ATTRITION: Loss of tooth surface due to normal wear.Some wearing is normal (physiologic) but accelerated wear beyond normal is pathologic. EROSION: The chemical dissolution of tooth structure often attributed to regurgita- tion of gastric acid, excessive intake of acidic food or drink, (eg, two liters o TOOTH WEAR Dr.Huda Y K Introduction Non carious tooth tissue loss is defined as surface loss due to a disease process other than dental caries. Non Carious lesions can be broadly classified as Tooth wear ABRASION ABFRACTION ATTRITION EROSIO

Abrasion of teeth In testing, recreated the abrasion of teeth with a file Wore down teeth to mimic the effects of human mastication Drilled the mandible to test adequate samples Piltdown Man Teeth X-ray Chimp Teeth X-ra Precipitated Silica is used to improve rubber tear strength, flex fatigue resistance, abrasion resistance, heat build-up, hardness, modulus, resilience and adhesion. Due to the high surface area and purity of our product, vulcanization can be made with excellent transparency, enhanced strength properties, tear / shear hardness and abrasion. Dental fluorosis is referred as the change in tooth's appearance. The reason for this is overexposure to fluoride. The fluoride overexposure's risk occurs between 3 months to 8 years of ages. The occurrence of Enamel fluorosis is due to permanent teeth forming under the gums. Micro abrasion and Tooth bleaching: Conservative restorations. Abrasion, Attrition, Abfraction erosion, Tooth wear, Prevention, Restorative treatment. Introduction . Non-Carious Tooth Surface Loss (NCTSL) also termed Tooth Wear (TW) is a current issue of concern to dental practitioners regarding the diagnosis, identification of the etiological factors, prevention, and execution of an adequate treatment [1,2] Class IV - A tooth devitalized by trauma with or without loss of tooth structure. Class V - Teeth lost as a result of trauma. Class VI - Root fracture with or without the loss Abrasion of gingiva or oral mucosa N 910.00: A superficial wound produced by rubbing or scrapping of the mucosa leaving a raw bleeding surface..

PPT - Dental Anomalies PowerPoint Presentation, free

This video explains the various forms of non carious tooth wear i.e Attrition, Abrasion, Abfraction, Erosion which significantly affect the long term dental. Abrasion is the physical wear of tooth surface through an abnormal mechanical process independent of occlusion. It involves a foreign object or substance repeatedly contacting the tooth. The Dangers of Tooth Enamel Abrasion. Enamel, the outermost layer of our teeth, is the toughest substance in the human body. Still, rigorous brushing, using a hard-bristled toothbrush, and abrasive toothpaste can wear your enamel down Enamel is not as susceptible to abrasion (the wear on the teeth from a mechanical source, like a toothbrush with toothpaste) because of the hardness of the structure. The underlying structures of enamel like dentin and the root surfaces, which is much softer then the enamel portion of the tooth are affected by how abrasive a toothpaste is

One of the important communications is the initiation of tooth abrasion by erosive damage caused onto the surfaces of the teeth. [15] It appears that this interaction is a major factor in occlusal and cervical wear; however, the available evidence does not seem to be sufficient to establish the importance of abfraction as a major contributor to. Air abrasion leaves more of the healthy tooth tissue behind. Air abrasion reduces the risk of fracturing and chipping of the tooth, which some dentists believe can affect the life span of the filling

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  1. The treatment of attrition, abrasion and erosion Restorative Dent. 1986 Jan;2(1):5-7, 9-10. Autho
  2. Abrasion is the most cited etiological factor for development of NCCL. In clinical surveys, 94% of respondent dentists classified the lesion as abrasion, and 66% rated tooth brushing as the most likely cause. The treatment methods used varied, with no clear preference . Cervical toothbrush abrasions are generally thought to be a consequence of.
  3. Here, the pressure causes tooth flexure which in turn leads to flaking of the enamel at the neck of the tooth instead of the biting surface. It is normally observed at the buccal side of the teeth near the gum line, where the enamel is at its weakest. Though this is also a mechanical process, no external object is involved like abrasion
  4. Fig. 15-18 Improper brushing techniques can result in abrasion of the tooth surface and can cause gingival recession. (Courtesy of Dr. Robert Meckstroth.) Toothbrushing Methods Dental Floss Fig. 15-19 The dental assistant helps the patient learn to floss. Interdental Aids Fig. 15-21 An interdental hygienic aid

Barbour ME, Rees GD. The role of erosion, abrasion and attrition in tooth wear. J Clin Dent. 2006;17:88-93. Grippo JO, Simring M, Coleman TA. Abfraction, abrasion, biocorrosion, and the enigma of noncarious cervical lesions: a 20-year perspective. J Esthet Restor Dent. 2012;24:10-23 The products advertised as whitening tooth pastes may contain an abrasive agent alone or along with a chemical agent. The former additive acts through a surface stain removal mechanism, whereas the latter acts through a combined action of abrasion & bleaching Recap •The connection is the link between the health of your mouth and your overall health. •Older adults are more likely to have systemic diseases that requires medication that impacts their oral health. • Attrition, abfraction, abrasion, erosion, and decay are common oral conditions on teeth of the aging adults

PPT - Partial Veneer Crowns , Inlays and Onlays PowerPoint

Abrasion - SlideShar

The degree of tooth erosion from acidic beverages is directly related to the frequency and amount of these beverages that are consumed. Foods that are high in acidic content include citrus fruits (oranges, lemons, and grapefruit) as well as pickles and vinegar. Frequently consumed foods and drinks with a pH below 5.7 may initiate dental erosion Sandra: Yes, microabrasion does work. It involves having the dentist rub a slurry of pumice and acid on the teeth, and it seems to work miracles for certain types of white spots. But it doesn't remove all white spots. To the left are before-and-after photographs of what the results of microabrasion treatments look like

Onlay partial denture Anterior teeth attrition Vertical dimension decrease RPD - abrasion A. Etiology Parafunctional - A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 4504cc-M2I0 fluoride mouth rinse and fluoride containing tooth-paste on shallow lesion (< 60 μm), as this results in greater repair and less visible lesion.5 Enamel microabrasion was designed to improve the surface texture, remove the stains and recover rem-ineralization. It removes superficial parts of the lesion by abrasion with a slurry of hydrochloric.

Air abrasion is commonly called sandblasting for teeth because of its obvious resemblance to sandblasting. Instead of sand, a powerful stream of aluminum oxide is used. And instead of cleaning something like paint off a wall, decay is blasted off of the surface of the teeth a) Abrasion from tooth brush b) Attrition from occlusal forces c) Cracks (lamellae) in enamel d) Incremental formation of enamel e) Organic (protein) deposits from the saliva Key: d Topic: Oral Histology MCQ.14 Which of the following terms may be used to indicate the dentin formed first in the tooth? a) Granular Dentin b) Hyaline Denti In centric relation, all posterior teeth must present axial occlusal contacts, and the anterior teeth must maintain a distance of 0.0005 inches between them; 3. During laterotrusion, the canines must disocclude the posterior teeth (canine guidance) 4. During protrusion, the upper anterior teeth must occlude with the lower anterior teeth and the. Enamel is the first defense for your teeth against the many different chemicals they're exposed to from food and bodily fluids. As a result, it can be prone to wear and tear. This is referred to.

of the teeth is beaeficialat the meshing level, for it allows better ab erption of the teeth impact during their engagement. We will thus often observe the disappear-ance in time of the treaks at the tooth tip 01: at the root of the teeth, which .ometimes appear soon after first.tart-up ofa gear (in the general ea e of gear teeth loaded at lo Gradual loss of tooth structure is a physiologic process that occurs through out life, most often is slow it rarely poses any problem to the patient Loss of tooth structure from the cervical regions of teeth occurs due to pathological processes like abrasion erosion and abfraction Failure to correctly diagnose and manage these lesions can. Types of teeth. Most people start off adulthood with 32 teeth, not including the wisdom teeth. There are four types of teeth, and each plays an important role in how you eat, drink, and speak Physiologic tooth wear is normally contributed by a com-bination of abrasion, attrition, and erosion. However in any one individual, each may be seen in differing proportions, com-plicating diagnosis. Furthermore, enamel softened by erosion is likely to be more susceptible to abrasion and attrition

PPT - Regressive and Traumatic Alterations of Teeth

Good tooth and gum care is key to reducing plaque. You should: Floss daily: Floss once a day with dental floss or a water flosser to get rid of food and plaque stuck between teeth. Studies show that flossing before brushing teeth removes more plaque. Brush twice a day: Brush teeth for two minutes with a soft-bristled toothbrush (manual or. The hardest tissue, resistent to abrasion Thickness: • at the edges and cusps - 2,5 mm • neck region, lateral surfaces of the crown - 1,3 mm Enamel is synthesized only during development does not regenerate Color of enamel: • young teeth - bluish white • adult teeth - more transparent enamel, colour of dentine is visible - yellowis Noncarious cervical lesions (NCCLs) involve the loss of hard tissue from the cervical areas of teeth through processes unrelated to caries. NCCLs are nowadays a common pathology caused by changes in lifestyle and diet. The prevalence and severity of cervical wear increase with age. It is generally a Non carious lesion Presentation Transcript 1. NON -CARIOUS LESION 2. Erosion:This is the loss of tooth substance by a non-bacterial chemical process.Abrasion:Dental abrasion is the pathological wearing away of teth due to abnormal processes, habits or abrasive substance.Abfraction:This is the pathologic loss of tooth substance due to biomechanical loading forces that result in flexure and. SIZE OF THE TEETH • The size of the teeth should be in proportion to the size of the face and head • Women's teeth are often smaller than men's • A distinct difference between CI & LI is desirable in women • Following factors are used as a guide to select the size of the teeth: A. Methods using pre-extraction guides B. Methods using anthropological measurements of the patien

Tooth attrition - SlideShar

are tried on the teeth to verify complete seating. Fit-checking medium (Fit Checker, GC, Chicago, IL) can be used to highlight binding areas, which are then adjusted. Once complete seating is obtained, the teeth are thoroughly cleaned with a slurry of pumice, or an intraoral air-abrasion unit. It is recom-mended to etch the porcelain margi 1. History. The history of dentistry is comprised of many efforts undertaken to achieve an effective tooth-whitening method. Non-vital tooth bleaching began in 1848 with the use of chloride of lime (Dwinelle, 1850), and in 1864, Truman introduced the most effective technique for bleaching non-vital teeth, a method which used chlorine from a solution of calcium hydrochlorite and acetic acid () Dental age assessment is one of the most reliable methods of chronological age estimation used for criminal, forensic and anthropologic purposes. Visual, radiographic, chemical and histological techniques can be used for dental age estimation. Visual method is based on the sequence of eruption of the teeth and morphological changes that are caused due to function such as attrition, changes in. Gently brush upper and then lower teeth. Going tooth by tooth can help you slow down and not miss any spots. Step 2: Tilt your brush at a 45° angle. Brush against the gumline to get rid of any trapped plaque or food debris. Gently move the brush back and forth using short, tooth-wide strokes. Step 3: Brush the inner surface of your teeth

B. Abrasion of tooth by clasp C. Wearing off the cement base D. Passive retentive arm # A patient comes with all the lower premolars and first molar removed, should the second molars be removed? Why? A. Yes, it will help in taking support from the ridge B. No, 2nd molar will help in determining the vertical dimensio Myth - Using hard bristle tooth cleans teeth better than soft bristle tooth brush. Fact- Using a hard toothbrush can result in abrasion and removal of surface area of the tooth. A soft toothbrush — used properly — will clean the teeth with less risk of enamel loss. Myth - Babies do not need cleaning of teeth Modification of harmful tooth brushing habits that contribute to tooth abrasion is recommended. The use of a fluoride mouth-rinse may also help. In the case of caries, a lost filling or fractured tooth, coverage of the exposed dentine with a temporary restoration will usually relieve the symptoms

Disease Entities and Diagnosis | Pocket Dentistry

Jing Zhao, Xinzhi Wang, in Advanced Ceramics for Dentistry, 2014. 3.1 Introduction of Prosthodontics and Dental Prostheses. The health of a tooth is vulnerable for numerous reasons, and cumulative effects are detrimental, as was illustrated in Chapter 2.Once a tooth or dentition suffers from a structural defect, oral health is threatened because the defect is unable to self-regenerate Introduction. Air abrasion was first described by Black (1945) as a method of preparing cavity forms. Buonocore (1955) reported on the use of acid etching to increase adhesion to enamel. Forty years later, studies began to analyse the effects on enamel bond strength of acid etch alone versus a combination of air abrasion and acid etching (Roeder et al., 1995) Review: Normal Dentition & Dental Anatomy PPT. Presentation Summary : Mammals show great variety in dentition (numbers and types of teeth). Dental formulas . are used to classify the normal dentitions of different animal species Dental fluorosis is a common disorder, characterized by hypomineralization of tooth enamel caused by ingestion of excessive fluoride during enamel formation.. It appears as a range of visual changes in enamel causing degrees of intrinsic tooth discoloration, and, in some cases, physical damage to the teeth.The severity of the condition is dependent on the dose, duration, and age of the.

abrasion PPT Presentation Chemical Composition of The

Abrasion is considered a physical mechanism causing wear by friction of physical-chemical agents on the tooth surface -. Biocorrosion represents the chemical, biochemical and electrochemical degradation of dental tissues due to endogenous and exogenous acids, by biochemical proteolytic enzymes and piezoelectric effects [3] , [10] , [11] Which of the Incisal class of teeth has a distinct twisting of the incisal ridge relative to the root base of the tooth Permanent mandibular lateral incisors Which class of anterior teeth has a cusp in addition to a cingulum, marginal ridges, fossa, a single root with only one pulp canal (as the most prevalent form) and develops from four.

PPT - Regressive and Traumatic Alterations of TeethThe Integumentary System A Skin 1 Anatomy 2

Tooth wear ppt - dr

For digging in low impact, lower abrasion materials such as dirt, loam, and mixed compositions of dirt and fine gravel. Example: Digging conditions in which General Duty tip life exceeds 800 hours. Typically larger General Duty Buckets are the most popular sizes, and are used by site developers to mass excavate in low abrasion applications Macroabrasion, an alternative for anterior deep white spots. In the white lesions treatment in the anterior teeth we should try to use a strategy that preserves the maximum healthy enamel and dentin. In this perspective, three types of treatment can be used: Infiltration with Icon, Microabrasion with gels or aluminum oxide or Macroabrasion The diagnosis of dentin hypersensitivity is challenging, because it is a diagnosis of exclusion; it is only reached after all other possible explanations for the patient's pain have been ruled out. 1 Other conditions with symptoms of sensitivity include chipped teeth, cracked teeth, fractured restorations, dental caries, gingival inflammation.

Precipitated Silica, Precipitated Grade Silica, Supersil

Disorders of tooth development and eruption - K00. K00.0 Anodontia. K00.1 Supernumerary teeth. K00.2 Abnormalities of tooth size and form (macr/micro-dontia, dens in dente) K00.3 Mottled teeth (Fluorosis) K00.4 Disturbances in tooth formation. K00.5 Hereditary disturbances in tooth structure, not elsewhere classified ( Amylo/dentino-genisis. Normally the tooth is whitened first to lighten the background shade and then the white patch is surveyed for the results, after which a simple mega-abrasion technique may be used whereby a microscopic layer of the surface enamel is removed and a direct composite resin is placed over the white lesion Characteristics of natural teeth a.The neck of the tooth has a more pronounced color than the incisial edge. b. The incisal edge is more translucent that the body of the tooth. c. Posterior teeth are usually uniform in color. d. The upper centrals are the lightest teeth followed by the laterals and canines. e. Teeth darken slightly with age

Dental Fluorosis Treatment Micro Abrasion & Tooth

Tooth Loss Statistics Seniors over 65 have average of 18.9 teeth remaining Fewer teeth in black seniors - chronic smokers - lower income levels - less education Nationwide, 27% have total loss of teeth and improving gingival outcomes than manual tooth-brushes. Ideal tooth-brushing force has yet to be deter-mined, but excessive force may be associated with gingival trauma. While gingival recession and hard-tissue cervical abrasion are recognized as having multi-factorial etiolo-gies, tooth brushing is considered contributory Prosthetic teeth are attached to the metal base with a plastic base or by cementation to a retentive post. Fig. 6-1. ˜ A metal denture base INDICATIONS: 1. A tooth supported edentulous space where further bone resorption is not anticipated. 2. When a facing, tube tooth, metal pontic, or metal reinforced denture tooth is to be used. 3. A tooth.

Principles and guidelines for managing tooth wear: a revie

Tooth wear is usually considered to be a progressive loss of enamel and dentine due to erosion, abrasion and attrition. As enamel thins the teeth become darker as the colour of dentine becomes. The Bds Tutorials Differences Between Acrylic And Porcelain Teeth Selecting Setting Denture Teeth Ppt Video Online Download Abrasion Wear Resistance Of Different Artificial Teeth Tooth Material Options For Your All On 4 Implant Prosthesis Artificial Teeth formation of tertiary dentin are: attrition, abrasion, erosion, preparation, micro-leakage, progressing caries and trauma. A variety of colors can typically be seen in a tooth and from the gingival margin to the incisal edge of the tooth a gradation of the color occurs [1]. Normal enamel is colorless an How to cite this article: Kareem A M K, Rasha M A. Managements of Immature Apex: a Review. Mod Res Dent. 1(1). MRD.000503. 2017. DOI: 10.31031/MRD.2017.01.000503 Modern Research in Dentistry o es et 8 Radiographic examination of teeth requires good qualit

Non Carious Tooth Wear//Attrition, Abrasion, Abfraction

Occlusal adjustment is the scientific grinding and/or reshaping of the occluding surfaces of teeth to develop and improve upon their harmonious relationships between each other, their supporting structures, muscles of mastication, and temporomandibular joints. This procedure is reported as either being limited (in scope) or complete Start studying Clinical Exam of Teeth/Dental Charting/Cavity Prep/Etc. (PPT). Learn vocabulary, terms, and more with flashcards, games, and other study tools

DENTURE BASE RESIN PPT

Current concepts on the management of tooth wear: part 1

Case reports: The patient is a 6 years old with parents appealed at the complaints of abrasion of temporary teeth, which began after their eruption, chipping enamel and enamel unusual color watery gray. Anamnesis: born from the 1st pregnancy, at the first birth, has 9 hip fractures and since the age of 3 months shinbone fractures the tooth (periapical location) . Note the very large composite restoration in this tooth (#7, mounted upside down for comparison with perio diagram slide) Periodontitis (peri=around, dent=tooth, itis=inflammation) is a slow, usually painless loss of bone that starts at the gum line and works down the root. 16 JK Mitchell, DDS, MEd Periapica

Tooth Enamel: Loss, Erosion, and Repair. Tooth enamel loss puts your teeth at risk of tooth decay. Learn about the signs to watch out for and how to treat enamel erosion. Cavities and Tooth Decay: Symptoms, Causes and Treatments. Learn about the causes, symptoms, and ways you can prevent a cavity and tooth decay. Teeth Sensitive to Hot Food and. The treatment plan consisted of a hygiene phase, in-office tooth whitening, micro-abrasion, resin infiltration and minor aesthetic corrections using composite restorations. On a different note, an endodontic re-treatment as well as the extraction of a so called un-restorable molar were performed k03.1 abrasion of teeth k03.2 erosion of teeth k03.3 pathological resorption of teeth k03.4 hypercementosis k03.5 ankylosis of teeth k03.6 deposits on teeth k03.7 posteruptive color changes of dental hard tissues. k03.8 other specified diseases of hard tissues of teeth k03.81 cracked toot Healthy teeth and gums make it easy for you to eat well and enjoy good food. Several problems can affect the health of your mouth, but good care should keep your teeth and gums strong as you age. Tooth Decay Teeth are covered in a hard, outer coating called enamel. Every day, a thin film of bacteria called dental plaque builds up on your teeth The American Academy of Pediatrics and its Section on Oral Health have developed this clinical report for pediatricians and primary care physicians regarding the diagnosis, evaluation, and management of dental trauma in children aged 1 to 21 years. This report was developed through a comprehensive search and analysis of the medical and dental literature and expert consensus Abrasion. It is often seen that some people develop a wear facet pattern that is seen on the cervical half of the tooth's crown. This occurs because of the action of a foreign body that is vigorous enough to abrade the tooth's surface. This can be due to toothbrushing forcefully in the horizontal direction, false use of the dental floss.