scholarly journals Alteration of the Occlusal Vertical Dimension for Prosthetic Restoration Using a Target Tracking System

2021 ◽  
Vol 11 (13) ◽  
pp. 6196
Author(s):  
Hwa-Jung Lee ◽  
June-Sung Shim ◽  
Hong-Seok Moon ◽  
Jong-Eun Kim
Keyword(s):  
Tracking System ◽  
Conventional Technique ◽  
Vertical Dimension ◽  
Mandibular Movement ◽  
Anterior Teeth ◽  
Occlusal Vertical Dimension ◽  
Scan Data ◽  
A New Technique ◽  
Time Required ◽  
Opening And Closing

Clinicians and researchers have used various methods to reproduce the maxillomandibular relationship and mandibular movement of individual patients using an articulator, with efforts being made to reduce errors associated with the conventional technique. When a change to a vertical dimension is required during the conventional prosthesis construction process, the maxillary and mandibular casts are mounted on the mechanical articulator using a facebow and bite registration and the elevation of the anterior guide pin of the articulator is used. However, this can inevitably cause errors due to differences between the articulator hinge movement and the actual trajectory of the patient. There has recently been increasing interest in tracking the trajectory of jaw motion of a patient, and this paper presents a new technique for altering the vertical dimension based on the measured trajectory. Target materials for performing tracking are attached to the maxillary and mandibular anterior teeth to record opening and closing movements of the patient’s mouth in real time and align the patient’s scanned intraoral data or cast data. The movements of the targets are replaced with the movement of the patient’s oral scan data. Additionally, then the occlusal vertical dimension is set to a new position based on the obtained trajectory. After determining the optimal vertical dimension with consideration of the space required for restoration, maxillary and mandibular STL files are exported and the designed cast is created using a 3D printer. The printed cast is mounted on an articulator for subsequent procedures. This approach maintains the patient’s actual maxillomandibular relationship at various vertical heights and can also reduce the chair time required when adjusting for errors.

scholarly journals Aesthetic Rehabilitation of a Patient with Bruxism Using Ceramic Veneers and Overlays Combined with Four-Point Monolithic Zirconia Crowns for Occlusal Stabilization: A 4-Year Follow-Up

2019 ◽  
Vol 2019 ◽  
pp. 1-7
Author(s):  
André Moreira ◽  
Filipe Freitas ◽  
Duarte Marques ◽  
João Caramês
Keyword(s):  
Lithium Disilicate ◽  
Vertical Dimension ◽  
Invasive Approach ◽  
Anterior Teeth ◽  
Cad Cam ◽  
Zirconia Crowns ◽  
Occlusal Vertical Dimension ◽  
Monolithic Zirconia ◽  
Treatment Prognosis

Management of severe worn dentition in patients with bruxism is challenging as a result of the loss of tooth structure and occlusal vertical dimension, temporomandibular implications, tooth hypersensitivity, and masticatory or aesthetic impairment. This case describes the 4-year follow-up clinical evaluation of a full mouth tooth-supported rehabilitation made on a 66-year-old man with bruxism and tooth wear, with aesthetic complaints and compromised masticatory function. The prosthetic treatment was planned with a digital smile design and a mock-up technique for an aesthetic and minimally invasive approach using lithium disilicate pressed and layered veneers on anterior teeth, posterior CAD/CAM lithium disilicate overlays with facial coverage, and CAD/CAM monolithic zirconia crowns with facial feldspathic ceramic on maxillary and mandibular canines and first molars in order to ensure the occlusal stability at the increased occlusal vertical dimension. After 4 years of function, no complications were registered. The choice of an appropriate material for the rehabilitation of these patients is essential to improve treatment prognosis and should be guided by mechanical and aesthetical properties. The use of four-point occlusal stabilization with CAD/CAM high strength monolithic zirconia crowns combined with ceramic veneers and overlays appears to be a reliable treatment option that enhances aesthetics and minimizes the occurrence of ceramic fractures, ensuring the treatment prognosis and predictability.

scholarly journals A multidisciplinary approach to restoration of severely worn dentition: a case report

2016 ◽  
Vol 4 (1) ◽  
pp. 27
Author(s):  
A V Sreekumar ◽  
Mohammed Sajeer PC ◽  
Levin Chengappa
Keyword(s):  
Case Report ◽  
Multidisciplinary Approach ◽  
Vertical Dimension ◽  
Treatment Procedure ◽  
Posterior Teeth ◽  
Anterior Teeth ◽  
Anterior Guidance ◽  
Occlusal Vertical Dimension ◽  
Crown Lengthening

Severe caries, attrition  and developemental anomalies  of anterior teeth lead to loss of anterior guidance. This in turn causes attrition of posterior teeth and loss of occlusal vertical dimension of  occlusion. To gain the space for esthetic rehabilitation in these cases is challenging task. The required space can be achieved by crown lengthening and increasing the vertical dimension of occlusion within physiologic limits. We hereby have presented a case report showing the treatment procedure of a patient with severly worn dentition in a simple and systematic multidisciplinary approach to improve the function as well as aesthetics, that also remains in harmony with the entire gnathostomatic system.

scholarly journals A multidisciplinary approach to restoration of severely worn dentition: a case report

2016 ◽  
Vol 4 (2) ◽  
pp. 63
Author(s):  
A V Sreekumar ◽  
Mohammed Sajeer P C ◽  
Levin Chengappa
Keyword(s):  
Case Report ◽  
Multidisciplinary Approach ◽  
Vertical Dimension ◽  
Treatment Procedure ◽  
Posterior Teeth ◽  
Developmental Anomalies ◽  
Anterior Teeth ◽  
Anterior Guidance ◽  
Occlusal Vertical Dimension ◽  
Crown Lengthening

Severe caries, attrition  and developmental anomalies  of anterior teeth lead to loss of anterior guidance. This in turn causes attrition of posterior teeth and loss of occlusal vertical dimension of  occlusion . To gain the space for esthetic rehabilitation in these cases is challenging  task. The required space can be achieved by crown lengthening and increasing the  vertical dimension of occlusion within physiologic limits..We, hereby have presented a case report showing the treatment procedure of a patient with severely worn dentition  in a simple and systematic multidisciplinary approach to improve the function as well as aesthetics , that also remains in harmony with the entire gnathostomatic system.

scholarly journals Electrognathographic evaluations of rehabilitated edentulous patients

2007 ◽  
Vol 21 (4) ◽  
pp. 355-361 ◽  
Author(s):  
Henrique Casselli ◽  
Alexandre Brait Landulpho ◽  
Wilkens Aurélio Buarque e Silva ◽  
Frederico Andrade e Silva
Keyword(s):  
Diagnostic System ◽  
Movement Pattern ◽  
Oral Appliance ◽  
Occlusal Plane ◽  
Mandibular Movement ◽  
Significance Level ◽  
Occlusal Vertical Dimension ◽  
Masticatory System ◽  
Edentulous Patients ◽  
Opening And Closing

This study investigated, through computerized electrognathographic evaluations (K6-I Diagnostic System, Myotronics-Noromed Inc., Tukwila, USA), the mandibular movement pattern of 16 patients rehabilitated with complete dentures presenting no symptoms of stomatognathic functional alterations. The patients were instructed to wear an intra-oral appliance for occlusal plane coverage over their usual superior denture and were then rehabilitated with new dentures preserving a free-way space of 3 mm. After sixty days, the occlusal vertical dimension was increased and the modified inferior dentures were used for another 60 days. The obtained results were submitted to the Tukey Test and to the Friedman test, depending on which variable was under consideration, both at a significance level of 5%. The data revealed a significant decrease in free-way space when the first and the last evaluations were compared. No significant differences were found during opening and closing. It was concluded that the presence of a free-way space at the end of the treatment confirms the importance of its existence for maintaining the balance of the masticatory system, assuming the occurrence of a postural repositioning.

scholarly journals Rehabilitation of a Severely Worn Dentition with Partial Lithium-disilicate Glass Ceramic Restorations: A Case Report

2021 ◽  
Author(s):  
Ece İrem Oğuz ◽  
Semih Berksun
Keyword(s):  
Case Report ◽  
Glass Ceramic ◽  
Treatment Options ◽  
Lithium Disilicate ◽  
Vertical Dimension ◽  
Posterior Teeth ◽  
Anterior Teeth ◽  
Occlusal Vertical Dimension ◽  
Ceramic Restorations ◽  
Laminate Veneers

Rehabilitation of worn dentition is a challenging task because several predisposing factors may be included in the pathogenesis. The treatment options and process should be carefully considered based on the clinical condition and patients’ requirements. This case report represents the esthetic rehabilitation of a 68-year-old patient who exhibited severely worn teeth caused by attrition and erosion. After clinical evaluation, 3 mm increase in occlusal vertical dimension was planned with partial lithium-disilicate ceramic restorations as laminate veneers for anterior teeth and vonlays (onlays with veneer extentions) for posterior teeth in maxilla. The adaptation of the patient to the increased occlusal vertical dimension was tested for 1 month by provisional direct composite restorations. As the patient did not show any discomfort, definitive restorations were completed. The patient was satisfied with the esthetics and functionality of her new dentition.

scholarly journals Occlusal Rehabilitation of Severely Mutilated Dentition

2015 ◽  
Vol 5 (1) ◽  
pp. 48-52
Author(s):  
Tulika S Khanna ◽  
Sandeep Vivek Gurav
Keyword(s):  
Multidisciplinary Approach ◽  
Vertical Dimension ◽  
Masticatory Muscle ◽  
Posterior Teeth ◽  
Anterior Teeth ◽  
Careful Treatment ◽  
Anterior Guidance ◽  
Occlusal Vertical Dimension ◽  
Mutilated Dentition ◽  
Crown Lengthening

ABSTRACT Severe caries, attrition, abrasion, erosions of anterior teeth lead to loss of anterior guidance. This in turn causes attrition of posterior teeth and loss of occlusal vertical dimension. To gain the space for esthetic rehabilitation in these cases is challenging task. The required space can be achieved by crown lengthening and increasing the occlusal vertical dimension within physiologic limits. Unmethodical alteration of vertical dimension may lead to temporomandibular joint (TMJ) and masticatory muscle problems. Careful treatment planning and stable occlusion are key point of successful treatment. This case report describes the methodical multidisciplinary approach used to treat severely mutilated dentition. How to cite this article Gurav SV, Ram SM, Khanna TS. Occlusal Rehabilitation of Severely Mutilated Dentition. J Contemp Dent 2015;5(1):48-52.

Use of anterior teeth measurements in determining occlusal vertical dimension

1987 ◽  
Vol 58 (3) ◽  
pp. 317-322 ◽  
Author(s):  
Farhad Fayz ◽  
Ahmad Eslami ◽  
Gerald N. Graser
Keyword(s):  
Vertical Dimension ◽  
Anterior Teeth ◽  
Occlusal Vertical Dimension
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