Physiologic recovery after cervical traction therapy

Wieslander, L; Buck, Douglas L.

doi:10.1016/0002-9416(74)90294-2

Cited by 79 publications

(42 citation statements)

References 4 publications

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“…In both groups, a significant decrease in SNA and ANB was found, similar to results reported in the literature [13,[18][19][20][21][22]. In the late mixed dentition group the increase in ANS/CT reflected descent of the ANS point, which could be explained by both growth modification and therapy [13,20,21].…”

Section: Discussionsupporting

confidence: 78%

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The Effects of Cervical Headgear on Dentofacial Structures.

Üner

Dinçer

Türk

et al. 1994

The Journal of Nihon University School of Dentistry

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A study was made on the effects of cervical headgear on dentofacial structures, especially non-erupted teeth, in the early and late mixed dentition periods. Pretreatment and post-treatment cephalometric evaluation was done on 8 patients in the early mixed dentition period and 10 patients in the late mixed dentition period. The results showed that any reference line passing through Ptm point should not be used to evaluate the efficiency of cervical headgear, and that such headgear is more effective on non-erupted teeth in early mixed dentition. IntroductionExtraoral traction for distalization of upper first molars has been used to establish an ideal occlusion [1][2][3][4]. Several investigations [5][6][7] have indicated a compound effect on the craniofacial skeleton, and dental and dentoalveolar structures. Even if traction is applied to the first permanent molars, an indirect distal effect on both erupted and non-erupted teeth can be seen in the upper dental arch. In other words, transseptal interdental ligaments cause diastemas to appear between the teeth [8][9][10].The purpose of this study was to investigate the effects of cervical headgear on dentofacial structures, especially non-erupted teeth, in the early and late mixed dentition periods.

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Section: Discussionsupporting

confidence: 78%

“…In the late mixed dentition group the increase in ANS/CT reflected descent of the ANS point, which could be explained by both growth modification and therapy [13,20,21]. Although in both groups the decrease in ANS/RD 1 was not significant, it nevertheless showed the effects of the cervical headgear.…”

Section: Discussionmentioning

confidence: 92%

The Effects of Cervical Headgear on Dentofacial Structures.

Üner

Dinçer

Türk

et al. 1994

The Journal of Nihon University School of Dentistry

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“…In 15 studies, the long-term effect after treatment of Angle Class II malocclusion was evaluated, and nine were graded C [97][98][99][100][101][102][110][111][112] (Table 5). Six studies were graded B [85][86][87][88][89][90] (Table 7), and in these the follow-up period varied between 5 and 11 years.…”

Section: Treatment Of Angle Class II Malocclusionmentioning

confidence: 99%

Long-term Stability of Orthodontic Treatment and Patient Satisfaction

Bondemark

Holm

Hansen

et al. 2007

The Angle Orthodontist

166

108

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Objective: To evaluate morphologic stability and patient satisfaction at least 5 years after orthodontic treatment. Materials and Methods: Published literature was searched through the PubMed and Cochrane Library electronic databases from 1966 to January 2005. The search was performed by an information specialist at the Swedish Council on Technology Assessment in Health Care. The inclusion criteria consisted of a follow-up period of at least 5 years postretention; randomized clinical trials, prospective or retrospective clinical controlled studies, and cohort studies; and orthodontic treatment including fixed or removable appliances, selective grinding, or extractions. Two reviewers extracted the data independently and also assessed the quality of the studies. Results:The search strategy resulted in 1004 abstracts or full-text articles, of which 38 met the inclusion criteria. Treatment of crowding resulted in successful dental alignment. However, the mandibular arch length and width gradually decreased, and crowding of the lower anterior teeth reoccurred postretention. This condition was unpredictable at the individual level (limited evidence). Treatment of Angle Class II division 1 malocclusion with Herbst appliance normalized the occlusion. Relapse occurred but could not be predicted at the individual level (limited evidence). The scientific evidence was insufficient for conclusions on treatment of cross-bite, Angle Class III, open bite, and various other malocclusions as well as on patient satisfaction in a long-term perspective. Conclusions: This review has exposed the difficulties in drawing meaningful evidence-based conclusions often because of the inherent problems of retrospective and uncontrolled study design.

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“…Several studies were designed to evaluate fully changes that occurred following the removal of force, but most of them dealt with long-term effects of cervical traction applied to patients with an optimum mandibular plane angle. [12][13][14][15][16] Schudy 17 has suggested that high-mandibular plane angle patients are especially prone to relapse. There are few studies on combined headgear therapy, and few of these are concerned with posttreatment changes.…”

Section: Introductionmentioning

confidence: 99%

Treatment and Posttreatment Changes with Combined Headgear Therapy

Tortop

Yüksel

2007

The Angle Orthodontist

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Objective: To determine the effects of combined headgear treatment in high-angle patients and to evaluate the differences 2 years after treatment. Materials and Methods:The study material consisted of lateral cephalograms of 21 patients (13 girls and eight boys; mean age 10 years 3 months) with Class II dental relationship. Only extraoral combined traction that was applied to maxillary first molars was used in the treatment of all patients. The patients were instructed to wear the appliance 20 hours per day until the molar relationship was corrected. The treatment time was approximately 5 months. At the beginning (T0), at the end (T1), and approximately 2 years after (T2) combined headgear treatment, lateral cephalometric radiographs were obtained. Results: SNA and ANB angles and convexity decreased significantly during treatment (T0-T1; P Ͻ .05 and P Ͻ .01, respectively), and the net changes (T0-T2) in ANB angle and convexity were also found to be statistically significant (P Ͻ .01). During treatment, significant distal movement was found in the upper first molar, and the second premolar and molar were also distalized significantly (P Ͻ .001). At the end of 2 years, there was a significant mesial migration of the upper molars and the second premolar during the posttreatment period, but all of them were positioned more distally compared to the beginning of treatment (P Ͻ .001). The decrease in molar relation was statistically significant during the T0-T1 and T0-T2 periods (P Ͻ .001).

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Physiologic recovery after cervical traction therapy

Cited by 79 publications

References 4 publications

The Effects of Cervical Headgear on Dentofacial Structures.

The Effects of Cervical Headgear on Dentofacial Structures.

Long-term Stability of Orthodontic Treatment and Patient Satisfaction

Treatment and Posttreatment Changes with Combined Headgear Therapy

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