Is neutral zone, patients comfort zone? A feedback review

Beenu, V; Kattak, Ajmal Khan S; Pattath, Vishnu S; Nair, Shani J; Das, Ruma; Sreelekshmi, M S

doi:10.4103/jpbs.jpbs_56_20

Cited by 2 publications

(1 citation statement)

References 11 publications

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“…Moreover, the stability of results of orthodontic tooth movement is based particularly on soft tissue pressures and equilibrium. The concept of neutral zone refers to the zone of equilibrium between tongue and lip and cheek musculature 15 . Moving teeth out of the neutral zone will alter the neuromuscular balance and result in a tendency of orthodontic relapse 16 .…”

Section: Introductionmentioning

confidence: 99%

Influence of Resting Tongue Posture on Mandibular Arch Width and Vertical Dimensions of Face

2023

JPMI

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Objective: To evaluate the influence of tongue posture on the arch width of the mandible and the facial proportions in the vertical dimension.Methodology: A cross-sectional analysis was carried out utilizing lateral cephalograms and dental molds from 120 participants (45 males, 75 females). The participants were classified into three categories based on the dimensions of their vertical facial structure: Normodivergent, Hyperdivergent, and Hypodivergent. The posture of the tongue was ascertained by measuring the distance from the tongue to the palate using the technique introduced by Graber and colleagues. The widths of the mandibular dental arches were assessed using the study molds. Differences among the groups were evaluated using one-way ANOVA. Relationships between mandibular arch widths and six distinct tongue-to-palate measurements were investigated using Pearson's correlation. A p-value of ≤ 0.05 was deemed to indicate a statistically significant result. Results:The comparison of the tongue to palate distances (D1, D2, and D3) at 0, 30, and 60 degrees among study groups showed statistically nonsignificant differences, however, the tongue to palate distances (D4, D5, and D6) showed statistically significant differences amongst all groups. Statistically significant differences were found in intercanine and intermolar width among the three study groups. The correlation of tongue posture with mandibular intercanine width and intermolar width at all six tongue-to-palate distances was weak. Conclusion:In hyperdivergent patients, the tongue posture was lower as compared to hypodivergent and norm divergent patients, especially at the mid-dorsum, anterior dorsum, and tongue tip regions. A weak correlation was found between mandibular arch width and tongue posture.

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Section: Introductionmentioning

confidence: 99%

Influence of Resting Tongue Posture on Mandibular Arch Width and Vertical Dimensions of Face

2023

JPMI

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A Simplified Technique to Record Neutral Zone and Cameo Surface in Complete Denture

Nanda,

Kaur,

Koli

et al. 2024

Indian Journal of Dental Research

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Introduction: Providing complete denture therapy to patients with atrophic residual alveolar ridges is challenging, because these patients suffer ongoing resorption of the denture foundation; regardless of contemporary treatment options, physiologically optimal denture contours and appropriate denture tooth arrangement should be achieved to maximize prosthesis stability, comfort and function for patients. One of the methods used to achieve the stability is the neutral zone technique. Aim: It is in this zone that the natural dentitions lie and this is where the artificial teeth should be positioned. This article describes a preview of faciolingual positioning of denture teeth along with a novel approach of recording the neutral zone. Conclusion: The neutral zone is the area where the displacing forces of the lips, cheeks and tongue are in balance. Physiologic recording of the neutral zone aids in stability to the prosthesis.

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Is neutral zone, patients comfort zone? A feedback review

Cited by 2 publications

References 11 publications

Influence of Resting Tongue Posture on Mandibular Arch Width and Vertical Dimensions of Face

Influence of Resting Tongue Posture on Mandibular Arch Width and Vertical Dimensions of Face

A Simplified Technique to Record Neutral Zone and Cameo Surface in Complete Denture

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