The posterior palatal seal: Its rationale and importance: An overview

Goyal, Shelly; Goyal, Megha; Balkrishanan, Dhanasekar; Hegde, Veena; Narayana, Aparna Ichalangod

doi:10.4103/2347-4610.131972

Cited by 11 publications

(15 citation statements)

References 1 publication

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“…Conventional complete dentures (CD) remain a major prosthodontic option for the treatment of completely edentulous patients and treating these patients has always been a demanding task [1]. The end result should be a prosthesis that is properly retained in the patient's mouth during function of speech and mastication and it should be esthetically pleasing as well [2]. Retention of a complete denture is primarily achieved by a valve like seal between the denture border and the underlying mucosa.…”

Section: Introductionmentioning

confidence: 99%

“…Posterior palatal seal area is defined as the soft tissue area at or beyond the junction of hard and soft palate where pressure within physiological limits can be applied by a denture to aid in retention of the prosthesis [2]. Anatomical landmark like fovea palatine serve as a reliable guideline for locating the posterior border of the denture.…”

Section: Introductionmentioning

confidence: 99%

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Relation of fovea palatine and vibrating line in different soft palatal forms

2019

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Background: The posterior palatal seal (PPS) area plays a major role in retention of a maxillary denture. Many dentures have failed due to faulty recording of posterior palatal seal area. Hence, locating posterior palatal seal area is a critical step in complete denture fabrication. Various techniques have been described in the literature for locating the posterior border of maxillary complete denture. One of the most commonly used methods is the one that uses anatomical landmark like fovea palatine for locating the palatal seal area. However, many studies show a wide range of variation regarding position of fovea palatine with the vibrating line. Materials and Methods: A total of 200 subjects were selected for the study and clinical examination carried out to mark the vibrating line and fovea palatine. The location of vibrating line whether it is anterior to fovea palatine, on the fovea palatine or posterior to the fovea palatine in the different soft palate type(Class I, II or III) was recorded using the phonation method. Results: The vibrating line was located interiorly to the fovea palatine in 70%, 54% and 60% of the subjects with Class I, II and III soft palate. The vibrating line was located on the fovea palatine in22%, 40% and 36% of the subjects with Class I, II and III soft palate and posteriorly to the fovea palatine in 23%, 5% and 3% of the subjects with Class I, II and III soft palate respectively. Conclusion: The vibrating line was predominantly found to be anterior to the fovea palatine in all the soft palatal forms.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Relation of fovea palatine and vibrating line in different soft palatal forms

2019

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“…Usually, the soft palate and tongue are in tight apposition, closing the oropharyngeal isthmus; the soft palate can however rise and touch the posterior pharyngeal wall, closing the nasopharynx: thus the soft palate regulates the flow of air through nose and/or mouth. During oronasal breathing (as during exercise, speech, or smoking) the impedance of nasopharynx and oropharynx, respectively, is determined by the position of the soft palate [1, 3–5]. …”

Section: Introductionmentioning

confidence: 99%

“…Along with the variety of soft palate morphology [2] and configuration, its angulation with hard palate is also important, as this angulation plays a very important role while establishing posterior palatal seal in complete denture construction [5, 6], during repair of soft palate cleft, while repositioning the muscular velum [3] (especially the levator veli palatini muscle) to allow for velopharyngeal function and for speech and swallowing.…”

Section: Introductionmentioning

confidence: 99%

A Novel Approach to Determine the Prevalence of Type of Soft Palate Using Digital Intraoral Impression

Chaturvedi

Addas

Humaidi

et al. 2017

International Journal of Dentistry

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Aim To determine the prevalence of type of soft palate in targeted population. Materials and Methods Using computer technology in dentistry, intraoral digital scanner, and 3D analysis software tool, study was conducted. 100 patients selected from the outpatient clinics were divided into two groups based on the ages of 20–40 years and 41–60 years with equal ratio of males and females. Each selected patient's maxillary arch was scanned with intraoral scanner; images so obtained were sectioned in anteroposterior cross section and with the 3D analysis software; the angulation between hard and soft palate was determined. Results The prevalence of type II soft palate (angulation between hard and soft palate is between 10 and 45 degrees) was highest, 60% in group 1 and 44% in group 2. The difference between genders was statistically significant with p value <0.05 in both the groups, although females had higher angulation compared to the males in all classes of both groups. Conclusions In targeted population of Aseer Province, Saudi Arabia, the prevalence of type II soft palate was more common, with higher soft palate angulation among females. The advanced age had no effect in the type of soft palate in the region.

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“…They expect a good prosthesis which is well-retained in mouth for a long duration that can work efficiently during stomatognathic function (mastication, phonation, etc.). [ 1 ]…”

Section: Introductionmentioning

confidence: 99%

A study of correlation between posterior palatal seal width and soft palatal angulation with palatal contour

Shah

Lagdive

Modi

et al. 2016

J Indian Prosthodont Soc

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Context:The spatial relationship of posterior palatal seal (PPS) width and vibrating lines varies among individuals. Such variability could be related to contour of the palate.Aims:The study was carried out to evaluate the relationship between PPS width of the patient intra-orally and cephalometric tracing of the same patient. Second part of the study was formulated to determine whether the anterior and posterior vibrating lines can be distinguished as two separate lines by different observers.Materials and Methods:A lateral cephalogram was made to trace the hard and soft palatal contour, and the angle of the palatal contour was measured with the v-ceph program. Correlation analysis was conducted to examine the relationship between the distance from anterior to posterior vibrating lines and the angle of the palatal contour at the junction of the hard and soft palate.Statistical Analysis Used:The data were analyzed using the Karl Pearson Correlation test.Results:Correlation of the angle of the palatal contour to PPS width, showed perfectly positive value; whereas, correlation of angle between anterior nasal spine-posterior nasal spine (ANS-PNS) and PNS-Uvula (U) to PPS width showed partially positive value.Conclusion:The correlation of angle between hard tissue and soft tissue to PPS width, and the angle between ANS-PNS and PNS-U to PPS width, increases with an increase in PPS width.

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The posterior palatal seal: Its rationale and importance: An overview

Cited by 11 publications

References 1 publication

Relation of fovea palatine and vibrating line in different soft palatal forms

Relation of fovea palatine and vibrating line in different soft palatal forms

A Novel Approach to Determine the Prevalence of Type of Soft Palate Using Digital Intraoral Impression

A study of correlation between posterior palatal seal width and soft palatal angulation with palatal contour

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