AimThe aim of this study is to present a case of large maxillary median diastema closed by bodily movement of central incisors using Bapat power arm (BPA).Materials and methodsAfter extraction of mesiodens, a power chain with a force of 120 gm was applied to BPA ligated to preadjusted edgewise brackets bonded to maxillary central incisors to move them over round steel wire for closure of resultant diastema. Bonded retainer was placed after the closure of median diastema.ResultsThe median diastema was completely closed in 5 months period with almost bodily movement of incisors, which was confirmed by periapical X-ray.ConclusionBapat power arm was efficient in closing diastema without any discomfort or injury and was well accepted by the patient.How to cite this articleBapat SM, Singh C, Bandejiya P. Closing a Large Maxillary Median Diastema using Bapat Power Arm. Int J Clin Pediatr Dent 2017;10(2):201-204.

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Objective:The objective of this study was to evaluate the anterior cranial base (S-N) length in Class I and Class II division 1 individuals of Central India in two different age groups. Materials and Methods: Sample size comprised 120 individuals belonged to Central India. Individuals were divided into two groups: Group I comprised 60 young children (30 males and 30 females) in the age group of 10-14 years (n = 30 Class I and n = 30 Class II division 1) and Group II comprised 60 young adults (30 males and 30 females) in the age group of 18-22 years (n = 30 Class I and n = 30 Class II division 1). S-N length was measured from the traced sheets of lateral cephalograph of the study participants. The gender difference and differences in the group were calculated using the paired t-test. Results: No significant difference was found for S-N length in Class I and Class II division 1 individuals. S-N length was longer in young adults compared to young children in both Class I and Class II division 1 individuals. S-N length was found to be more in males compared to females in both Class I individuals and Class II division 1 individuals. S-N length was significantly shorter in the Central Indian population (65.25 mm) compared to Caucasian population (71 mm). Conclusion: The present study showed that S-N length is not a stable parameter and growth of skull occurs even after 10 years of age. S-N length was more in young adults than in young children and lesser in females compared to males. S-N length was found to be shorter in the Central Indian population compared to Caucasian population, so S-N length should be considered as population specific and not the same for all population.

Introduction: Anterior deep bite with narrow maxillary arch is a most common clinical situation orthodontists have to deal with in Class I as well as Class II malocclusions.Objective: To present a modification of the quad helix appliance which incorporates acrylic anterior bite plane for simultaneous bite opening with maxillary expansion (Biomex Quad helix). Appliance design: The appliance is made of 0.036 inch stainless steel wire. The anterior bridge of the quad helix is modified by extending it anteriorly. The wire is soldered to the stainless steel bands on the maxillary first permanent molars. Acrylic anterior bite plane is added to this anterior extension keeping the anterior helices exposed. It combines advantages of a quad helix with that of anterior bite plane. Hence it can be useful for simultaneous bite opening with maxillary expansion, deprogramming, and relieving TMJ symptoms by unlocking the occlusion.Conclusion: Biomex Quad Helix is a versatile appliance which is simple in design, easy to fabricate, comfortable for the patient, and economical for the operator and the patient.