Dentin hypersensitivity as a chronic disease is increasingly prevalent among adults and some researches has been done on determining etiologic factors in causation of the disease, its diagnosis and its treatment 1, 6. The pain response varies substantially from one person to another. Jan 20, 2011 dentinal hypersensitivity reportedly affects millions of people. Symptoms of dentin hypersensitivity are generally reported by the patient, difficult to describe, and challenging to accurately diagnose. Tooth crown is composed of enamel, dentin and pulp. With teeth being maintained longer, there has been an increased demand placed upon the dentist to manage the sensitivity of cervically exposed dentin. Although three theories explaining the mechanism of dentin hypersensitivity have been suggested, hypersensitive pain has not yet been fully explained by a specific theory. Dentin hypersensitivity causes, risk factors, diagnosis. It can affect patients of any age group and most commonly affects the canines and premolars of both the arches. One reason for this large discrepancy relates to the variations in the methods of data collection. Dentists may underreport dentin hypersensitivity due to difficulty in diagnosing and managing the condition. Before making a diagnosis of dentinal hypersensitivity.
Thus, dentin with a high conductance has a low resistance, and vice versa. It can arise when the dentin of the teeth becomes exposed to external stimuli like eating and drinking, and is often prevalent in patients 2050 years old. Jan, 2017 dentin hypersensitivity dh is a common problem encountered in clinical practice. Dentin hypersensitivity is an oral condition characterized by sharp pain in the affected dental area in response to thermal, tactile, or chemical stimuli. Dentinal hypersensitivity, dh management, etiology.
The open dentinal tubules permit rapid fluid movement inside the tubules that subsequently stimulate. Number of theories have been put forward to explain the. However, little is known about the etiology and predisposing factors, which can compromise. By maria perno goldie, rdh, ms dentin hypersensitivity is a clinical condition that is chronic, with acute episodes of discomfort. The open dentinal tubules permit rapid fluid movement inside the tubules that subsequently stimulate pulpal mechanoreceptors. Dentinal hypersensitivity is one of the most common clinical problem for which patients seek treatment and visit dental clinics. Once initiated, it can either remain as sensitivity or it can trigger pain and creates severe discomfort for the patient. Several theories try to explain the dentinal hypersensitivity although none of them leads to a thorough understanding of how the stimuli applied in this surface can cause pain. Common triggers include hot or cold air and acidic, sweet, or sugary foods or beverages.
Epidemiology the observed increase in patients seeking help for dentinal hypersensitivity is theorized to be due to several factors. May 15, 2019 dentin hypersensitivity is among the most frequently reported dental concerns. Dentin hypersensitivity and emerging concepts for treatments. This condition is diagnosed by eliminating other possible causes, such as gingival inflammation, caries, cracked tooth syndrome, broken restorations, marginal leakage, postoperative sensitivity, pulpitis, or sensitivity from tooth bleaching. Surprisingly, patients who complain about the sound of an ultrasonic scaler can actually be suffering from dentinal hypersensitivity. Dentin hypersensitivityetiology, treatment possibilities. The first premolar are the most affected teeth reaching more than half of the teeth. Hypersensitivity dentinal hypersensitivity can have multiple etiologies. Dentin hypersensitivity and recent developments in treatment. Etiology and treatment of dentinal hypersensitivity. The most widely accepted theory of how the pain occurs is brannstroms hydrodynamic theory of dentin hypersensitivity. One of the early, and most obvious hypotheses, was that dentin was innervated and therefore nerves were directly triggered by the stimulus. The definition provides a clinical descriptor of the condition and identifies dentin hypersensitivity as a distinct clinical entity. It is characterized by short, sharp pain arising from exposed dentine in response to stimuli, typically thermal, evaporative, tactile, osmotic or chemical and which cannot be ascribed to any other dental defect or pathology.
Dentin hypersensitivity is a relatively common condition. Dentin hypersensitivity is characterised eating hard foods. Sum up the hydrodynamic theory of dentinal hypersensitivity. Discuss therapies for the treatment of dentinal hypersensitivity, including mechanisms of action. For dentin hypersensitivity to occur, the dentin surface must be exposed so that the dentinal tubules are patent from the pulp to the oral environment. Dentinal hypersensitivity reportedly affects millions of people. Dentinal hypersensitivity has long been a dilemma of both dentists and patients. Its incidence is on a rise probably because its etiology is not very well understood. Sep 26, 2015 dentin hypersensitivity is a common condition with a reported prevalence between 4 and 69 % in the adult population. Discuss the use of sodium fluoride varnish and silver diamine fluoride sdf for the management of dentinal hypersensitivity. Due to the loss of the root cement, the dentinal tubules are exposed. It may occur spontaneously when the root becomes exposed as a result of gingival recession or pocket. Management of dentin hypersensitivity by national dental.
One hundred eighty five national dental practicebased research network clinicians completed a questionnaire regarding their preferred methods to diagnose and manage dh in the practice setting, and their. Many people with dentin sensitivity reports pain upon application of a cold stimulus. Matthias hannig, christian hannig, in nanobiomaterials in clinical dentistry second edition, 2019. Theories and mechanism of sensitivity several theories have been proposed over more than a century to explain the mechanism involved in dentine hypersensitivity 19. Human studies showed that the patency of the dentinal tubules is an. One of the theories implicates the nervous structures in the dentinal tubules and at the periph ery of the odontoblasts and their processes. The sensitivity of nerve units depends upon the condition of dentin surface 18. Introduction dentinal hypersensitivity dh is characterized by short sharp pain arising from exposed dentine in response to stimuli typically thermal, evaporative, tactile, osmotic or chemical and which cannot be ascribed to. Or stimuli are transmitted to the pulp via movement of the fluid materials in the dentinal tubules. However, brannstorm theory which deals with the flow of fluid inside the dentinal tubules is more realistic 3, 21.
Who was the first to provide evidence supporting the hydrodynamic theory of dentinal hypersensitivity. The following questions will elicit a bounty of useful information. Introduction root hypersensitivity is a relatively common problem in periodontal practice. Dentinal hypersensitivity hydrodynamic theory dentin.
This type of fluid movement can be quantified by measuring the hydraulic conductance of dentin 31. Successful treatment of dentinal hypersensitivity will not relieve symptoms of cracked tooth syndrome. Dentin hypersensitivity affects the enjoyment of daily activities and quality of life, and many patients arent aware that it is a manageable condition. The purpose of this study was to identify the management approaches for dh among united states dentists. Dentin hypersensitivity is characterized by short, sharp pain arising from exposed dentin as a response to stimuli, typically thermal, evaporative, tactile, osmotic, or chemical, which cannot be ascribed to any other form of dental defect or pathology. Dentinal hypersensitivity registered dental hygienist. Dentinal hypersensitivity is discomfort sharp, shooting, or stabbing pain caused by exposed dentin and open dentinal tubules often due to gingival recession.
Tooth sensitivity is a common name for dentin hypersensitivity or root sensitivity. Dentin hypersensitivity is a widespread and increasing problem, especially in the dentate elderly population. Odontoblastic transduction theory the odontoblast transducer theory proposed by rapp et al. If hot, cold, sweet or very acidic foods and drinks, or breathing in cold air, makes your teeth or a tooth sensitive or painful then you have sensitive teeth.
Scribd is the worlds largest social reading and publishing site. Several theories try to explain the dentinal hyper. Developing a personcentred approach to oral health provides a detailed and integrated account of interdisciplinary research into dentine hypersensitivity. Pdf diagnosis and treatment of dentinal hypersensitivity. Based on the performed studies, different theories have been proposed on the dentin hypersensitivity of which direct innervation theory and odontoblast receptor theory have faced some challenges. Number of theories have been put forward to explain the mechanism of hypersensitivity causing pain but hydrodynamic theory is most widely accepted nowadays. T he direct innervation theory assumes that a direct stimulation of the nerve endings occurs in. In an attempt to explain dentin hypersensitivity, a number of theories have been put forward. Dentin hypersensitivity dh is a common problem encountered in clinical practice. Pdf in one form or the other, pain is the major reason for patients to visit the dentist. The most widely accepted theory of how the pain occurs is.
Dentinal hypersensitivity free download as powerpoint presentation. The monograph will be of interest to all those working on person centred oral health related research because it provides not only an account of the findings of a series of studies into dentine hypersensitivity. Dentin hypersensitivity is a common condition with a reported prevalence between 4 and 69 % in the adult population. Due to differences in populations studied and methods of detection, the reported incidence ranges from 474%. Epidemiology of dentinal hypersensitivity dentinal hypersensitivity appears to be a common problem with various reports indicating an incidence of between 4 to 74 per cent of the population table 1. A variety of theories have been suggested to help explain the mechanism involved in the etiology of dentinal hypersensitivity. This condition primarily occurs due to dentin exposure to thermal, chemical or osmotic stimuli, thereby causing. The pain is sharp and sudden, in response to an external stimulus.
One hundred eighty five national dental practicebased research network clinicians completed a questionnaire regarding their preferred methods to diagnose and manage dh in the practice setting. For this theory to be accepted as valid, symptoms of dentin hypersensitivity, the exc ita tio n o f th ese as soc iat ed n erv e teeth presenting with hypersensitivity must first step is to. These terms are used based on the place of occurrence of hypersensitivity and include. Characteristic stimuli etiology two phases of development of dentin hypersensitity mechanism treatment. Dentinal hypersensitivity is one of the most common patient complaints heard in dental practice. Dentin hypersensitivity 4 year fs introduction definition. This condition primarily occurs due to dentin exposure to thermal, chemical or. Identify causes of dentinal hypersensitivity among older adults and its effects on quality of life. Hypersensitivity management with fluoride dimensions of. Theories direct stimulation odontoblastic transducer mechanism gatecontrol theory and vibration hydrodynamic mechanism 19. The other one, called the hydrodynamic theory, involves. Figure 1 the schematic picture of the propped theories on dh a. Dentin hypersensitivityetiology, treatment possibilities and.
As dental professionals, we can be at the forefront of patient education and management of dentin hypersensitivity, and make positive changes to. A free powerpoint ppt presentation displayed as a flash slide show on id. Dentin hypersensitivity is a common and painful condition that causes short, sharp pain for patients. Managing dentin hypersensitivity dimensions of dental. According to this theory, the odontoblast has a special sensory function and the. Dentin hypersensitivity is among the most frequently reported dental concerns. However, the effect of plaque on dh is a controversial issue 17. Dentinal hypersensitivity is generally reported by the patient after experiencing a sharp pain caused by one of several different stimuli.
Dec 20, 2014 what are the symptoms of dentin hypersensitivity. Dentin hypersensitivity is a global oral health issue and a significant challenge for many dental professionals. This disorder usually occurs as the result of loss of enamel and cementum or exposure of dentinal tubules 1, 34, 9. Dentin hypersensitivity an overview sciencedirect topics. The condition generally involves the facial surfaces of teeth near the cervical aspect and is very common in premolars and canines. Ppt dentin hypersensitivity powerpoint presentation. Most frequently observed on the premolars, dentinal hypersensitivity occurs when tubules at the exposed dentin surface lead to sharp pain when exposed to a stimulus or trigger. Dentinal hypersensitivity dh is a common clinical condition usually associated with exposed dentinal surfaces.
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