Dental Erosion: II. Clinical Measurements of Dental Erosion Progress

Xhonga, Frida A.; Wolcott, Robert B.; Sognnaes, Reidar F.

doi:10.14219/jada.archive.1972.0117

Cited by 43 publications

(14 citation statements)

References 12 publications

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“…Studies in the 1970s reported that between 18% and 29% of the population were affected by tooth wear [23].…”

Section: Discussionmentioning

confidence: 99%

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A randomised clinical in situ study to evaluate the effects of novel low abrasivity anti-sensitivity dentifrices on dentine wear

Seong¹,

Hall²,

Young³

et al. 2017

Journal of Dentistry

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General rightsThis document is made available in accordance with publisher policies. Please cite only the published version using the reference above. Full terms of use are available: http://www.bristol.ac.uk/pure/about/ebr-terms 1 A randomised clinical in situ study to evaluate the effects of novel low abrasivity anti-sensitivity dentifrices on dentine wear Key words: Dentine, abrasivity, dentifrice, profilometry, sodium tripolyphosphate, alumina Conflict of interest Author contributionsAll the authors contributed to the design, conduct and reporting of the study. All authors had access to the final study report, made contributions to the development of the manuscript, had final responsibility for the decision to submit, and approved the submitted version. AcknowledgementsThe authors would like to thank Liam Kennedy of GSK Consumer Healthcare for providing the statistical analyses. Editorial assistance was provided by Dr Duncan Porter of Anthemis Consulting Ltd and Dr Eleanor Roberts of Beeline Science Communications Ltd, both funded by GSK Consumer Healthcare. 2A randomised clinical in situ study to evaluate the effects of novel low abrasivity anti-sensitivity dentifrices on dentine wear ABSTRACT Objectives: To compare the abrasive wear on human dentine in an in situ model associated with use of an experimental low abrasivity anti-sensitivity dentifrice containing 1% alumina and 5% sodium tripolyphosphate (STP) with an experimental ultra-low abrasivity nonalumina 5% STP dentifrice, a higher abrasivity daily-use whitening dentifrice, and water as controls.Methods: This was a single-centre, single-blind, randomised, split-mouth, four-treatment, two-period, crossover in situ study in 29 healthy subjects. Subjects wore bilateral lower buccal appliances, each fitted with four dentine specimens. Study treatments were applied ex vivo (three times daily). Dentine loss was measured by non-contact profilometry after 5, 10 and 15 days' treatment.Results: All 29 subjects were included in the efficacy analysis. Significantly less dentine loss was associated with brushing with the low and ultra-low abrasivity dentifrices than with the higher abrasivity dentifrice at all timepoints (p<0.01). Brushing with ultra-low abrasivity dentifrice or water resulted in statistically significantly less dentine loss compared with brushing with the low abrasivity dentifrice at all timepoints (p<0.05). Dentine loss after brushing with ultra-low abrasivity dentifrice was not significantly different from brushing with water. Conclusions:The degree of dentine loss observed in this in situ model reflected the abrasivity of the study dentifrices. Brushing with low or ultra-low abrasivity STP-containing anti-sensitivity dentifrices resulted in significantly less dentine loss (equating to dentine wear) than with a higher abrasivity daily-use whitening dentifrice. Clinical significanceClinicians aim to prevent or manage tooth wear and subsequent conditions, such as dentine hypersensitivity, while helping patients to maintain good stain control. Lo...

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“…Studies in the 1970s reported that between 18% and 29% of the population were affected by tooth wear [23].…”

Section: Discussionmentioning

confidence: 99%

“…Lesion progression has been reported to range from 1 µm per week [24] to 7 µm per week [23], with prevalance of both superficial and deep lesions increasing with age [25]. Hand and colleagues found that 56% of the dentate elderly population had cervical abrasion lesions [25].…”

Section: Discussionmentioning

confidence: 99%

A randomised clinical in situ study to evaluate the effects of novel low abrasivity anti-sensitivity dentifrices on dentine wear

Seong¹,

Hall²,

Young³

et al. 2017

Journal of Dentistry

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“…Concentration of compressive and tensile stresses at the cervical area induced by eccentric or heavy centric occlusal forces may progressively dislodge and eventually debond resin restorations. After treating cervical lesions with a variety of class V restorations, researchers 37) found that the rate of progress of the destruction decreased from an average of 7 ㎛ to 2 ㎛ a week.…”

Section: ⅳ Discussionmentioning

confidence: 99%

The influence of occlusal loads on stress distribution of cervical composite resin restorations: A three-dimensional finite element study

Park

Hur

Kim

et al. 2008

J Korean Acad Conserv Dent

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The purpose of this study was to investigate the influence of various occlusal loading sites and directions on the stress distribution of the cervical composite resin restorations of maxillary second premolar, using 3 dimensional (3D) finite element (FE) analysis. Extracted maxillary second premolar was scanned serially with Micro-CT (SkyScan1072; SkyScan, Aartselaar, Belgium). The 3D images were processed by 3D-DOC-TOR (Able Software Co., Lexington, MA, USA). HyperMesh (Altair Engineering, Inc., Troy, USA) and ANSYS (Swanson Analysis Systems, Inc., Houston, USA) was used to mesh and analyze 3D FE model. Notch shaped cavity was filled with hybrid (Z100, 3M Dental Products, St. Paul, MN, USA) or flowable resin (Tetric Flow, Vivadent Ets., FL-9494-Schaan, Liechtenstein) and each restoration was simulated with adhesive layer thickness (40 ㎛). A static load of 200 N was applied on the three points of the buccal incline of the palatal cusp and oriented in 20�increments, from vertical (long axis of the tooth) to oblique 40�direction towards the buccal. The maximum principal stresses in the occlusal and cervical cavosurface margin and vertical section of buccal surfaces of notch-shaped class V cavity were analyzed using ANSYS. As the angle of loading direction increased, tensile stress increased. Loading site had little effect on it. Under same loading condition, Tetric Flow showed relatively lower stress than Z100 overall, except both point angles. Loading direction and the elastic modulus of restorative material seem to be important factor on the cervical restoration. [J Kor Acad Cons Dent 33(3):246-257, 2008]

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“…5,17 However, once the dentine becomes exposed, loss of the softer tissue is relatively rapid. 18 The near exposure is a significant stage in tooth wear, as it may signal that erosion is rapidly progressing and that the pulp may become infected through patent tubules. 10 Protection of the nearly exposed pulp on worn teeth may pose problems as the extent of dentine surface may be large, especially on the palate and may be unsuitable for dentine bonding agents to adhere to, as dentinal fluid may leak through patent tubules.…”

Section: Discussionmentioning

confidence: 99%

Endodontic sequelae of dental erosion

Sivasithamparam¹,

Harbrow²,

Vinczer³

et al. 2003

Australian Dental Journal

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Background: The incidence of pulp involvement in patients with excessive wear has not been extensively documented. Methods: Clinical records of 448 patients with excessive tooth wear were reviewed and 52 cases (11.6 per cent) with near or frank pulp exposures or root canal treatments were found and their numbers and sites were tabulated. Light microscopy of study models was used to determine aetiology at each site of exposure as attrition, erosion or abrasion, scanning electron microscopy (SEM) was performed on some individual teeth. Results: Forty sites of near exposure and 57 sites of frank exposures or root canal treatments were found, some cases had both types of exposure. The commonest sites exposed by erosion were the palatal surfaces of maxillary, and the incisal surfaces of mandibular anterior teeth. Posterior teeth were not commonly affected. Toothbrush abrasion had exacerbated some lesions as shown by SEM. Conclusions: Endodontic sequelae were found in 11 per cent of tooth wear patients as late stages of dental erosion. Near and frank exposures of the pulp thus constitute a small but significant, problem for the Australian dental profession's concern in the management of the tooth wear cases.

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Dental Erosion: II. Clinical Measurements of Dental Erosion Progress

Cited by 43 publications

References 12 publications

A randomised clinical in situ study to evaluate the effects of novel low abrasivity anti-sensitivity dentifrices on dentine wear

A randomised clinical in situ study to evaluate the effects of novel low abrasivity anti-sensitivity dentifrices on dentine wear

The influence of occlusal loads on stress distribution of cervical composite resin restorations: A three-dimensional finite element study

Endodontic sequelae of dental erosion

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