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Tooth sensitivity, or dentin hypersensitivity, has a high prevalence among the general population and is a very common cause of visits to the dentist. This concise, easy-to-read guide provides the clinician with the most important information required for the correct diagnosis and effective management of dentin hypersensitivity. After discussion of theories regarding the underlying mechanisms, predisposing medical and dental conditions are reviewed. The route to an accurate diagnosis, based on determination of the precise cause, is then explained. A range of potential treatment approaches and their applications are discussed, including dentin blocking agents, nerve desensitization, restorative approaches and periodontal surgery. Preventive, at-home and in-office treatment modalities are all described and future treatments are also considered. Helpful flowcharts are included that will facilitate decision making.​

Inhoudsopgave

Voorwerk

1. Introduction to Dentin Hypersensitivity

Abstract
Dentin hypersensitivity was defined as “a short, sharp pain arising from exposed dentin in response to stimuli typically thermal, evaporative, tactile, osmotic or chemical and which cannot be ascribed to any other form of dental defect or disease.” In this chapter, characteristics of this condition are discussed in addition to its prevalence reported using different methods of diagnosis. The epidemiology of the condition, its impact on the patient’s oral health quality of life, and how to measure it are also discussed.
Sahar Taha

2. “How Can Sensitive Dentin Become Hypersensitive?”

Abstract
When dentinal tubules first become exposed, patients note that those areas become more sensitive to tactile, evaporative, and osmotic stimuli. However, over time, especially with poor plaque control, those areas become progressively truly hypersensitive. There are a number of mechanisms responsible for hypersensitivity including localized pulpal inflammation, sprouting of pulpal nerves, and expression of “inflammatory” sodium channels. Often such hypersensitivity spontaneously disappears. These protective mechanisms will be reviewed. The problem arises for patients whose exposed dentin becomes hypersensitive and whose endogenous protective mechanism fails to correct the hypersensitivity.
David H. Pashley

3. Etiology and Predisposing Factors to Dentin Hypersensitivity

Abstract
Dentin hypersensitivity is a prevalent and common complaint in dentistry. Identification of the etiological and predisposing factors for dentin hypersensitivity is of prime importance in the diagnosis and treatment planning of this dental complaint. In order to have a clinical manifestation of dentin hypersensitivity, the dentin must be exposed to the oral environment. Dentin exposure results from one or more etiological factors that lead to loss of enamel and/or loss of cementum and overlaying periodontal tissues. Many dental and medical conditions have been linked to dentin hypersensitivity as etiological or predisposing factors. Some periodontal or restorative treatment may initiate the dentin hypersensitivity symptoms. In this chapter, we will shed light on all the etiological and contributory factors responsible for dentin hypersensitivity.
Mohanad Al-Sabbagh

4. Diagnosis of Dentin Hypersensitivity

Abstract
Diagnosis of dentin hypersensitivity involves holistic assessment of the sufferer, particularly the condition of the involved tooth and to identify the cause of the pain or discomfort in order to prescribe appropriate treatment. Knowledge of the physiology of pain and methods of interpreting it with available clinical diagnostic devices is essential to reach a proper diagnosis. The history of the patient’s pain is the first clinical data the dentist must collect and consider with careful attention being paid to its characteristics as revealed by the patient’s responses, such as the type, duration, frequency, stimulating factors, and disturbed oral functions. Associating patient’s features and other factors capable of exposing dentin and opening up the tubules must be well explored. Ultimately, correct diagnosis necessitates awareness of clinical conditions which are similar in their presenting features. Diverse standardized stimuli and means of quantifying the pain of dentin hypersensitivity are discussed in this chapter.
Cornelius Tokunbo Bamise

5. Treatment Approaches for Dentin Hypersensitivity

Abstract
The aim of this chapter is to review the various treatment approaches used by clinicians to treat dentin hypersensitivity and evaluate their efficacy in reducing dentin hypersensitivity. Evidence from both in vitro and in vivo studies will be assessed to determine whether there is any support for these treatment products and procedures based on their proposed underlying mechanism of action.
David G. Gillam

6. Treatment Modalities for Dentin Hypersensitivity

Abstract
The aim of this chapter is to provide the dental professional with the necessary information in order to treat dentin hypersensitivity by using selected at-home and in-office products with an emphasis on developing a workable maintenance programme which will enable the dental professional to effectively manage this troublesome clinical condition.
David G. Gillam

7. Evaluating Study Designs to Investigate Dentin Hypersensitivity

Abstract
Studies for investigating dentin hypersensitivity are either epidemiological or testing for the effectiveness of a possible treatment. The latter can be tested in vitro or in vivo. The myriad number of studies evaluating possible treatments for the condition mandates the adoption of rigid criteria for the conduction of such studies in order to validate their results. Literature will be reviewed in this chapter to evaluate the different testing methods for the effectiveness of dentin hypersensitivity treatments.
Sahar Taha, Brian H. Clarkson

8. Future Directions for the Treatment of Dentin Hypersensitivity

Abstract
There are over 30 different treatments for sensitive dentin on the market today which suggests that not one of them gives the immediate and lasting relief from this condition desired by the patient. In this chapter we describe several, emerging, novel experimental technologies that may, in the future, offer such relief. These technologies include: a synthetic “glue” resembling the adhesive that adheres mollusks to rocks in the ocean; a self-etch resin filled with fluorhydroxyapatite (FA) crystrals; and a flexible laminate of Eudragit filled with the FA srystals. Finally the incorporation of dendrimers (artificial proteins) functionalized with anti-inflammatories and anti-microbials to control inflammation beneath sensitive dentin and, overtime, help the pulp repair.
Agata Czajka-Jakubowska, Brian H. Clarkson

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