Occlusal Plane Determination Using Custom Made Broadrick Occlusal Plane Analyser: A Case Control Study

Manvi, Supriya; Miglani, Shaveta; Rajeswari, C.; Srivatsa, G; Arora, Sarvesh

doi:10.5402/2012/373870

Cited by 8 publications

(13 citation statements)

References 8 publications

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“…This alteration will not affect the position of the anterior survey point, an important fact when the position of the mandibular anterior teeth is esthetically and clinically suitable. (3,8,10) Deviation of teeth adjacent to edentulous space is present in the patients with loss of posterior teeth due do pathological migration of teeth, so early restoration of missing dentition is required. Table 6: Comparative Evaluation of curve of spee in dentate patients and partially dentate patients with missing posterior teeth in females Graph 3: Comparative Evaluation of curve of spee in dentate patients and partially dentate patients with missing posterior teeth in males…”

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…This can be avoided by reconstructing the curve of spee to pass through the mandibular condyle, which has been demonstrated to allow posterior disocclusion on mandibular protrusion. (8,9) The broadricks flag permits construction of the curve of spee in harmony with anterior condylar guidance allowing total posterior tooth disocclusion on mandibular protrusion. (5) METHODOLOGY: A total number of 40 subjects were examined, diagnostic impressions and study models of maxillary and mandibular dentition were made.…”

Section: Introductionmentioning

confidence: 99%

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Comparative Evaluation of Curve of Spee Using Broadricks Flag: Vivo Study

Jaiswal¹,

Pakhan²,

Godbole³

et al. 2015

jemds

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Occlusion and occlusal plane is the primary criteria in fabrication of posterior restorations. In natural dentition, curve of Spee allow the harmony between the anterior tooth and condylar guidance. The simplest method of establishment of occlusal plane is through use of Broadrick occlusal plane analyzer. This study aims to evaluate and compare the curve of spee in natural dentition using broadricks flag between male and females. To compare these study include 10 males and 10 females with completely dentate patients (Control group) and 10 males and 10 females with few missing posterior teeth (Study group). Interocclusal records were made and cast was articulated in semi adjustable articulator. Paired t test were used to compare the findings between subject and control groups. Results: -A statistically difference found between the study group and control group patients and deviation from broadrick curve was not found to be significant between male and female patients. KEYWORDS: Broadrick's flag, Curve of spee, Occlusal plane analyzer. INTRODUCTION:Occlusion and occlusion plane is the primary criteria in the fabrication of posterior restorations. Usually, the term, plane, is related to a flat surface. However this is not the case with the occlusal plane. Instead of a flat surface, the plane of occlusion represents the average curvature of the occlusal surface. The position of the anterior teeth is determined by the esthetics, the demand for anterior guidance, and phonetic considerations. Posterior teeth positions are defined by 2 curves, an anterioposterior curve, referred to as the curve of spee, and the mediolateral curve, referred to as the curve of Wilson. (1,2,3) In normal natural dentition, there exists an anteroposterior curve that passes through the cusp tip of the mandibular canine and the buccal cusp tip of the mandibular premolars and molars, and that extends in a posterior direction to pass through the most anterior point of the mandibular condyle, originally described by Ferdinand Graf Spee in 1890. (4,5) Spee located the center of the curve along "A horizontal line through the middle of the orbits behind the crista lachryma posterior". (5,6) Spee idea was advanced in 1920 by George Monson. (5) Monson proposed that the anteroposterior curve forms part of a 3 dimensional sphere, the Centre of rotation of which is located in the region of the glabella. (3,7) The radius of this curve is reported to be an estimated 4 inches (10.4cm), as proposed by monsoon. (3) The curve of spee may be pathologically altered in situations resulting from rotation, tipping, and extrusion of teeth. Restoration of the dentition to such an altered occlusal plane can introduce posterior protrusive interferences. Such interferences have been shown to cause abnormal activity in mandibular elevator muscles, especially the masseter and temporalis muscle. This can be avoided by reconstructing the curve of spee to pass through the mandibular condyle, which has been demonstrated to allow posterior disocclusion on mandibular ...

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Comparative Evaluation of Curve of Spee Using Broadricks Flag: Vivo Study

Jaiswal¹,

Pakhan²,

Godbole³

et al. 2015

jemds

View full text Add to dashboard Cite

show abstract

“…It is also helpful in locating the cusp tips of the posterior teeth as well as serves as a guide for the amount of tooth reduction that needs to be done or is needed for the intended occlusal planes [1] . For the initial development of the mandibular occlusal plane in the casts as well as in the later stages for the contours of the definitive restorations and for guidelines in the actual tooth preparation [3] . Since the Curve of Spee maybe altered in cases such as extrusion of teeth, rotation and tipping, the reconstruction of the dentition to such an altered occlusal plane can cause interference in the posterior region [3] .Such protrusive interference in the posterior region could possibly cause abnormal activity in the muscles, especially the masseter and the temporalis muscle and in the temporomandibular joint [3] .…”

Section: Determination Of Plane Of Occlusionmentioning

confidence: 99%

Broadrick Occlusal Plane Analyzer

Chokalingam¹,

Rao²

2014

IOSRJDMS

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Full mouth rehabilitation cases require meticulous treatment planning. Such instrument that often is used to achieve an occlusal equilibrium for full mouth rehabilitation cases is the Broadrick Occlusal Plane Analyzer. Also known as BOPA, this is instrument has only been adapted to a few articular system which limits its use. The review paper highlights the parts, the preparation and the use of Broadrick Occlusal Plane Analyzer.

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“…Maxillary cast was mounted on a semi adjustable articulator (Whip Mix series 3000; Elite Dental Services, Inc, Orlando, Fla) using an arbitrary face bow while the mandibular casts were mounted using various interocclusal records (Fig.2 b, c). As clinical and diagnostic cast examination revealed supraeruption of posterior teeth, a custom made Broadrick occlusal plane analyzer 4 was fabricated for a whip mix articulator (3000 series) (Fig.2d, e).…”

Section: Case Reportmentioning

confidence: 99%

Full Mouth Rehabilitation Involving Occlusal Plane Correction-Case Report

Darraj¹

2017

JMSCR

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Full mouth rehabilitation is a complex dental treatment the complexity of which relates to mathematical components of occlusion that involves various angulations and inclinations. One of such component is the occlusal plane. Abnormalities in the occlusal plane develop after the loss of teeth in the form of supra eruption, migration, rotation or malposition. Correction of occlusal plane is compulsory in any form of occlusal rehabilitation. A female patient reported with chief complaint of decreased masticatory performance that developed after extraction of posterior teeth. Clinical examinations revealed a case of full mouth rehabilitationthat required a multidisciplinary approach. The complex aspect of the rehabilitation was to correct an existing abnormal occlusal plane, which was successfully achieved using a custom made Broadrick occlusal plane analyzer. The relation of occlusal plane to the amount of tooth preparation has also been discussed.

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Occlusal Plane Determination Using Custom Made Broadrick Occlusal Plane Analyser: A Case Control Study

Cited by 8 publications

References 8 publications

Comparative Evaluation of Curve of Spee Using Broadricks Flag: Vivo Study

Comparative Evaluation of Curve of Spee Using Broadricks Flag: Vivo Study

Broadrick Occlusal Plane Analyzer

Full Mouth Rehabilitation Involving Occlusal Plane Correction-Case Report

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