Evaluation of the Relationship between Curve of Spee, WALA-FA Distance and Curve of Wilson in Normal Occlusion

Di̇ndaroğlu, Furkan; Duran, Gökhan Serhat; Tekeli, Alaattin; Görgülü, Serkan; Doğan, Servet

doi:10.5152/turkjorthod.2016.1614

Cited by 10 publications

(5 citation statements)

References 26 publications

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“…The curve of Spee provides posterior disocclusion and anterior tooth guidance with mandibular forward movement. [ 7 ] The depth of the Curve of Spee 8 increased with the eruption of second molars and slightly decreased during adolescence and remained stable in adulthood. The Curve of Spee and WALA-FA point is subjected to occlusal variations.…”

Section: Discussionmentioning

confidence: 99%

Evaluation of Horizontal Distance between WALA-FA Point in Angle's Class I, Class II, and Class III Malocclusion

Mahalakshmi¹,

Varadharaja²,

Ninan³

et al. 2021

Journal of Pharmacy and Bioallied Sciences

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Introduction: The objective of the study was to measure the horizontal distance between the FA-WALA (Facial Axis Point-William Andrews and Larry Andrews) of posterior teeth in Angle's Class I, Class II, and Class III malocclusions and to assess the depth of the Curve of Spee, to find the correlation between intercanine FA and intercanine WALA and its significance. Material and Methods: Sixty pretreatment mandibular casts of patients with an age range of 18–35 years were included. A sample size of 20 was evaluated in Angle's Class I, Class II, and Class III, respectively. The WALA ridge and FA points were marked in the model and calibrated using the digital Vernier caliper. Results: There was an incremental increase in the horizontal distance from the FA-WALA in the posterior teeth. The mandibular intercanine FA-FA and intercanine WALA-WALA distance were greater in Angle's Class III group when compared to Angle's Class II. The Curve of Spee measurement was increased in Angle's Class II group, while Angle's Class III had a flat curve. Conclusion: The horizontal distance between FA-WALA increased incrementally in the posterior teeth in Angle's Class I, Class II, and Class III malocclusions. In Angle's Class II malocclusion, the Curve of Spee measurement was increased and had a narrower mandibular arch.

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Section: Discussionmentioning

confidence: 99%

Evaluation of Horizontal Distance between WALA-FA Point in Angle's Class I, Class II, and Class III Malocclusion

Mahalakshmi¹,

Varadharaja²,

Ninan³

et al. 2021

Journal of Pharmacy and Bioallied Sciences

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“…Based on their study, there was no strong correlation between the parameters listed here. Changing the WALA-FA distance had no practical effect on increasing the depth of the curve of Spee (19).…”

Section: Wala Measurement Vs Tooth Cusp Morphologymentioning

confidence: 95%

Significance of WALA ridge in orthodontic diagnosis – review of current literature

Masłowska-Kasowicz,

Poddębniak,

Kuśmierczyk

et al. 2023

for

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Filozofia ortodontyczna 6E, do której zalicza się sześć elementów harmonii szczękowo-twarzowej, jest nowym, trójwymiarowym podejściem do diagnostyki ortodontycznej. Pierwszy element wskazuje, że optymalny kształt łuku zębowego, wynikający z ustawienia zębów centralnie w bazie apikalnej z odpowiednią inklinacją korony, warunkuje dobrą okluzję i funkcję narządu żucia. Sformułowanie w 1980 roku przez L.F. Andrewsa pojęcia WALA ridge umożliwiło wykonanie pomiarów służących do analizy kształtu i wielkości łuków zębowych. Cel. Celem pracy był przegląd piśmiennictwa dotyczącego zastosowania WALA ridge w diagnostyce i leczeniu ortodontycznym. Materiał i metody. Dokonano przeglądu piśmiennictwa w języku polskim i angielskim z wykorzystaniem bazy PubMed z lat 2008-2023, używając następujących słów kluczowych: 'WALA ridge',

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“…The occlusal plane should be flattened and the Wilson Curve should be levelled as the end results of orthodontic therapy. 1 …”

Section: Introductionmentioning

confidence: 99%

Comparative evaluation and co-relation in variation of curve of Spee and curve of Wilson in Class II div. 1, Class II div. 2, and Class III as against Class I malocclusion in central India population- an in vitro study

Pandey,

Kamble

2024

F1000Res

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Introduction Getting acceptable cosmetic results in the soft tissues of the face serves as the foundation for orthodontic treatment planning. Also, in order to achieve healthy static and dynamic occlusal interactions, the teeth must be positioned within the basal bone at the correct position, angle, and inclination. To avoid periodontal issues, provide stability, and achieve a functional occlusion, it is essential to ascertain the individual’s dental arch form before starting of treatment and thus to utilise the mechanics that follow throughout the treatment. Objectives To evaluate and compare variation in Curve of Spee and Curve of Wilson in Class II Div.-1, Class II-Div-2 and Class-III as against Class I malocclusion in central India population. Methodology Irreversible hydrocolloid impression will be taken with perforated metal stock trays and stone cast will be poured. This will be scanned using CAD CAM machine and curve of Spee and Wilson will be measured using reverse engineering. Expected Result It will assist us in treatment planning for preventing periodontal issues, assuring stability, and achieving functional occlusion by evaluating and comparing the Spee and Wilson curves in Class II Divison-1, Class II Divison-2, and Class-III malocclusion with Class-I malocclusion. Conclusion Every single patient receiving orthodontic treatment has the COS, which is crucial to achieving a stable occlusion. Almost every patient who receives orthodontic treatment eventually experiences the Spee Curve. Since there aren’t many studies examining the relationship between the Curves of Spee and Wilson, their impact on dentoskeletal morphology, and their role in occlusal stability.

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Evaluation of the Relationship between Curve of Spee, WALA-FA Distance and Curve of Wilson in Normal Occlusion

Cited by 10 publications

References 26 publications

Evaluation of Horizontal Distance between WALA-FA Point in Angle's Class I, Class II, and Class III Malocclusion

Evaluation of Horizontal Distance between WALA-FA Point in Angle's Class I, Class II, and Class III Malocclusion

Significance of WALA ridge in orthodontic diagnosis – review of current literature

Comparative evaluation and co-relation in variation of curve of Spee and curve of Wilson in Class II div. 1, Class II div. 2, and Class III as against Class I malocclusion in central India population- an in vitro study

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