Early treatment of class II division 1 malocclusion by R- appliance
Journal Title: IP Indian Journal of Orthodontics and Dentofacial Research - Year 2017, Vol 3, Issue 2
Abstract
Purpose: The purpose of this study was to assess the dentoskeletal effects of R-appliance in treatment of patients with Class II division1 in the late mixed dentition stage. Methods and Material: The sample included twelve cases (6 females and 6 males), with average age of 10.5 years, who were treated by R-appliance for 12 months. All cases had malocclusion Class II division 1 due to mandibular retrusion. Lateral cephalograms were taken and analyzed before and after the treatment to evaluate the efficacy of the appliance. Result: statistical analysis using the SPSS version 20.0 revealed that there was highly significant increase in SNB angle by 4.14 mm (P<0.001). The highly significant increase in mandibular length was 1.8 mm, (P= 0.003). Also, the wits appraisal was found to be significantly decreased by (p= 0.001*). The vertical measurements showed significant difference with (S- GO, N – Me, Ans –Me) by (p= <0.001*). The dentoalveolar measurements were significantly decreased with overjet around 5.42mm (P <0.001*) and statically significant with (U1-L1, U1 – SN) recorded (<0.001*) for both. Conclusion: The study concluded that the treatment of Class II malocclusion due to mandibular deficiency by R-appliance was effective.
Authors and Affiliations
Ameen Mohammed Qulah, Ahmad Mohammad Hafez, Maher Abd El-Salam Fouda
Keywords
Related Articles
- EP ID EP304061
- DOI 10.18231/2455-6785.2017.0017
- Views 89
- Downloads 0
Ultrasonographic observation of anterior temporalis and masseter muscle in open bite patients: A comparative study
Aim The present study was done to compare the muscle thickness of the masseter and anterior temporalis muscle in adults with normal occlusion and anterior open bite using ultrasonography in rest position and maximum inte...
Awareness of orthodontic treatment need in young adults between 18-25 years
Introduction Health is defined by WHO as 39a state of complete physical mental and social wellbeing and not merely the absence of disease or infirmityObjectives There is a need to identify levels of awareness with respec...
Assessment of The Remineralization Potential of Recently Developed Nano Hydroxyapatite on The Demineralized Enamel Around orthodontic Brackets
bjective: This study was evaluated the ability of Nano hydroxyapatite (nano-HAP) to remineralize the demineralized enamel layer around the orthodontic brackets. Materials and Methods: This study was done on thirty sound...
Comparative evaluation of dental, dentoalveolar and skeletal effects of slow maxillary expansion using Jackscrew, Quadhelix and Niti palatal expander2 on a finite element model of a young skull
Introduction: Slow expansion is a routine procedure for space gaining in Orthodontics. Jack Screw, Quadhelix and NiTi palatal expander-2 are commonly used slow expansion devices with a varied degree of dental and skeleta...
Disparate knack in Orthodontics: Magnets an overview
Native iron oxide attracts iron, also a bar of iron or steel that attracts iron has magnetic polarity this is called a magnet. Whereas the study of properties of magnets, magnetic substances and of associated phenomena i...