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 Table of Contents  
CASE REPORT
Year : 2016  |  Volume : 1  |  Issue : 1  |  Page : 22-25

Management of traumatic dental injury, midline diastema, and single tooth crossbite in a 9-year-old child: A pediatric dentistry approach


Department of Pedodontics and Preventive Dentistry, Narayana Dental College and Hospital, Nellore, Andhra Pradesh, India

Date of Web Publication7-Sep-2016

Correspondence Address:
Sivakumar Nuvvula
Department of Pedodontics and Preventive Dentistry, Narayana Dental College and Hospital, Nellore - 524 003, Andhra Pradesh
India
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Source of Support: None, Conflict of Interest: None


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  Abstract 

Traumatic dental injuries (TDIs) and malocclusion are the most common conditions affecting the esthetics during the mixed dentition period of children. The objective of the treatment should be conservative, economical, and comfortable to the patient, with satisfaction being the major treatment outcome. The purpose of this report is to describe the conservative management of TDI using calcium hydroxide apexification technique in a boy aged 9 years, along with correction of midline diastema and anterior crossbite by a removable appliance incorporating a single finger spring, Z-spring, and posterior bite plane, respectively.

Keywords: Children, crossbite, diastema, traumatic dental injury


How to cite this article:
Nuvvula S, Tharay N, Nirmala S, Mallineni SK. Management of traumatic dental injury, midline diastema, and single tooth crossbite in a 9-year-old child: A pediatric dentistry approach. Int J Pedod Rehabil 2016;1:22-5

How to cite this URL:
Nuvvula S, Tharay N, Nirmala S, Mallineni SK. Management of traumatic dental injury, midline diastema, and single tooth crossbite in a 9-year-old child: A pediatric dentistry approach. Int J Pedod Rehabil [serial online] 2016 [cited 2019 Feb 23];1:22-5. Available from: http://www.ijpedor.org/text.asp?2016/1/1/22/189968


  Introduction Top


In the contemporary generation, esthetic has an essential role in the social wellbeing of individuals irrespective of age. The harmony of esthetics is affected in children and adolescents due to several factors the major being the traumatic dental injuries (TDIs) and malocclusion. The TDI is common among the children and adolescents, with a prevalence of 17.5%, boys being predominant gender and fall injury as a major cause. [1] In India, the prevalence of malocclusion and TDI ranges from 19.6% to 90% [2] and 10.27% [3] to 30.3%, [4] respectively. Maxillary midline diastema appears in 97% of children with primary dentition and 48.8% in early mixed dentition phase that signifies its regression with age, [5] whereas the incidence of anterior crossbite ranges from 4% to 5%.

Early intervention, once the diagnosis is made, forms the basis of interceptive orthodontics which in turn is one of the major responsibilities of the pediatric dentists. [6] The most appropriate treatment plan should be the one, which is acceptable and beneficial to the child, correct the condition with as less time and expenditure as possible. The purpose of this case report is to describe a case of a 9-year-old boy with TDI involving the pulp that was treated economically with calcium hydroxide apexification, along with the correction of midline diastema and anterior single tooth crossbite, respectively, with a removable orthodontic appliance in a period of 3 months.


  Case Report Top


A boy aged 9 years accompanied by his father reported to the Department of Pedodontics and Preventive Dentistry with the chief complaint of broken upper front tooth. On elaborating the chief complaint, the tooth was asymptomatic, fractured as a result of trauma 2½ years ago. The fractured tooth was in crossbite relation and was corrected to position with the tongue blade therapy before the injury occurred as per parent's report. The child was physically healthy with behavior rating 4 on Frankl's behavior rating scale [7] and without any contributing health history.

On extraoral examination, there were no observable abnormalities. Intraorally, the child showed the inter-transitional stage of dental development with a set of 12 primary teeth (canines and primary molars in all the four quadrants) and 12 permanent teeth (permanent incisors and first permanent molars), respectively, with Class I molar and canine relation. The findings included Ellis Class III injury of maxillary right central incisor (MRCI), Class II injury of the maxillary left central incisor (MLCI), single tooth dental crossbite of maxillary right lateral incisor (MRLI), and maxillary midline diastema of 4 mm were observed [Figure 1]. Soft tissue examination revealed the presence of superior/high maxillary labial frenal attachment confirmed by the blanch test. For further evaluation, radiovisiography was advised and interpretations included the presence of nonblunderbuss immature apex of MRCI with a diameter of apical foramen <1 mm.
Figure 1: Intraoral view showing fractured central incisors, midline diastema, and crossbite in relation to maxillary right lateral incisor

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The treatment plan being apexification of MRCI, insertion of a removable Hawley's appliance incorporating "Z" spring and single finger spring for the correction of crossbite of MRLI and midline diastema, and composite build-up of MRCI and MLCI, respectively. Access opening for MRCI was performed, with complete debridement of the root canal and placement of calcium hydroxide paste (R C Cal, Prime Dental Products Pvt. Ltd., Thane, India) followed by sealing the cavity after the placement of cotton pellet and glass ionomer cement [Figure 2]. Maxillary and mandibular impressions were made, and the casts were obtained. The appliance was fabricated using autopolymerizing resin (DPI-RR, Cold Cure, Bombay Burmah Trading Corporation Ltd., Mumbai, India) and the components included right single finger spring for MRCI, Z-spring for MRLI, a short labial bow, and Adams clasps using 23, 23, 21, and 21-gauge stainless steel wires, respectively, along with a posterior bite plane. After the insertion of the appliance, the finger spring was activated, while the Z-spring remained passive during the first and second visits [Figure 3]a. During the third visit, the finger spring was removed followed by the activation of Z-spring [Figure 3]b. Each appointment interval ranged from 15 to 20 days. During the fourth visit, the crossbite correction of MRLI was observed [Figure 4]a and the appliance was discontinued with subsequent obturation of MRCI with gutta-percha [Figure 2]b followed by composite build-up (Tetric® N-Ceram, Ivoclar Vivadent Marketing [India] Pvt. Ltd., Mumbai, India) to MRCI and MLCI [Figure 4]b. The total treatment time taken was 3 months for the closure of the apex of MRCI and correction of midline diastema and crossbite .
Figure 2: Radiovisiography showing calcium hydroxide (a) and final gutta-percha obturation (b) for the maxillary right central incisor

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Figure 3: Removable Hawley's appliance in position for the correction of midline diastema (a) and the appliance after the removal of finger spring (b)

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Figure 4: Intraoral view showing correction of crossbite (a) and composite build-up of maxillary central incisors (b)

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  Discussion Top


The management of permanent teeth with incomplete root development presents a unique challenge, particularly those teeth with compromised pulpal integrity. A serious complication of these traumatic injuries is the pulp necrosis whose prevalence varies with the type of trauma from 1% to 6% for crown fractures to nearly 100% for intrusions. [8] Pulpal status and the stage of root development are the major factors in the selection of a treatment plan. [9],[10] The number of visits required, risk of root fracture, the extent of pulpal damage, restorability of the tooth, finances, and patient preferences are factors that should be considered during treatment planning. [11],[12] Treatment options for nonvital teeth may vary from obturating the immature teeth with modified conventional techniques (Roll Cone technique, reverse cone technique, short fill technique) to obturation after creating the artificial barrier (calcium hydroxide apexification, apical plug technique) and regenerative endodontic procedures. In the present case, as the diameter of apex was <1 mm, traditional calcium hydroxide apexification was performed.

Simple anterior crossbite as defined by Moyers is a dental malocclusion resulting from the abnormal axial inclination of one or more maxillary teeth. [13] Several etiological factors are taught to influence the development of crossbite, such as traumatic injuries to the primary dentition that cause a lingual displacement of the permanent tooth bud, retained primary tooth, labial positioned supernumerary tooth, sclerosed bony or fibrous tissue barrier caused by premature loss of primary tooth, inadequacy of arch length causing the lingual deflection of the permanent tooth during eruption, detrimental habit patterns, and repaired cleft lip. [6]

Anterior crossbite should be treated as soon as it is diagnosed with the help of simple appliances depending on the cooperation and compliance of the patient. Selection of treatment plan for crossbite correction should be based on the principles formulated by Lee [13] that includes the presence of Class I occlusion, adequate space to reposition the tooth in the arch, sufficient overbite to hold the tooth in position following correction, and the apical position of the tooth in crossbite that is the same as it would be if the tooth was in normal occlusion. Some of the treatment approaches are the extraction of retained tooth, tongue blade therapy, inclined planes, a reverse stainless steel crown, and removable and fixed appliances. [13]

According to Keene (1963), midline diastema is defined as anterior midline spacing >0.5 mm between the proximal surfaces of the anterior teeth. [14] It has a multifactorial etiology where both the genetics (autosomal dominant trait), [15] as well as environmental factors, play an important role. Some of the causes include a frenum, midline bony clefts, dentoalveolar diastemas associated with normal growth and development, pernicious habits, muscular imbalances in the oral region, physical impediment, and abnormal maxillary arch structure. The treatment options range from simple, spontaneous closure after the removal of the underlying cause to more comprehensive orthodontic therapy. [16] When orthodontic correction is not indicated, the diastema can be closed with direct composite resin restorations. [14] The success in treating diastema depends on accurate diagnosis and treatment of the specific etiology or etiologies, pretreatment consideration of appropriate orthodontic objectives, and long-term retention and stability. [16]

In the present case, the midline diastema developed due to the high frenal attachment that may be genetically determined as there is a presence of the high frenal attachment and midline spacing in the family for his father and elder brother. The crossbite of MRLI developed due to the inadequate space caused by proclination of MRCI. Owing to the definite positive compliance of the child, the aim in using the removable appliance with the finger spring was to create space needed for the correction of crossbite. The child is kept under observation until the eruption of canines to evaluate the remaining midline diastema after which the necessity of frenectomy will be determined.


  Conclusion Top


The approach to a case such as this, needs a multidisciplinary management, however, the presented case did not warrant expertise of an orthodontist and could be managed in the Department of Pediatric Dentistry.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.

 
  References Top

1.
Azami-Aghdash S, Ebadifard Azar F, Pournaghi Azar F, Rezapour A, Moradi-Joo M, Moosavi A, et al. Prevalence, etiology, and types of dental trauma in children and adolescents: Systematic review and meta-analysis. Med J Islam Repub Iran 2015;29:234.  Back to cited text no. 1
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Das UM, Venkatsubramanian, Reddy D. Prevalence of malocclusion among school children in Bangalore, India. Int J Clin Pediatr Dent 2008;1:10-2.  Back to cited text no. 2
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Singh G, Garg S, Damle SG, Dhindsa A, Kaur A, Singla S. A study of sports related occurrence of traumatic orodental injuries and associated risk factors in high school students in North India. Asian J Sports Med 2014;5:e22766.  Back to cited text no. 3
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Murthy AK, Mallaiah P, Sanga R. Prevalence and associated factors of traumatic dental injuries among 5- to 16-year-old schoolchildren in Bangalore city, India. Oral Health Prev Dent 2014;12:37-43.  Back to cited text no. 4
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Gkantidis N, Kolokitha OE, Topouzelis N. Management of maxillary midline diastema with emphasis on etiology. J Clin Pediatr Dent 2008;32:265-72.  Back to cited text no. 5
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Asher RS, Kuster CG, Erickson L. Anterior dental crossbite correction using a simple fixed appliance: Case report. Pediatr Dent 1986;8:53-5.  Back to cited text no. 6
    
7.
Clinical Affairs Committee-Behavior Management Subcommittee, American Academy of Pediatric Dentistry. Guideline on Behavior Guidance for the Pediatric Dental Patient. Pediatr Dent 2015;37:E57-70.  Back to cited text no. 7
    
8.
Andreasen FM. Pulpal healing following acute dental trauma: Clinical and radiographic review. Pract Proced Aesthet Dent 2001;13:315-22.  Back to cited text no. 8
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Torneck CD, Torabinejad M. Biology of the dental pulp and periradicular tissues. In: Walton RE, Torabinejad M, editors. Principles and Practice of Endodontics. 3 rd ed. Philadelphia: Saunders; 2002. p. 4-26.  Back to cited text no. 9
    
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Rosenberg PA, Schindler WG, Krell KV, Hicks ML, Davis SB. Identify the endodontic treatment modalities. J Endod 2009;35:1675-94.  Back to cited text no. 10
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Andreasen JO, Andreasen FM. Textbook and Color Atlas of Traumatic Injuries to the Teeth. 3 rd ed. St. Louis, MO: Mosby; 1994. p. 159-71, 366-72, 383-425.  Back to cited text no. 11
    
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Swift EJ, Trope M, Ritter AV. Vital pulp therapy for the mature tooth - Can it work? Endod Topics 2003;5:49-56.  Back to cited text no. 12
    
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McEvoy SA. Rapid correction of a simple one-tooth anterior cross bite due to an over-retained primary incisor: Clinical report. Pediatr Dent 1983;5:280-2.  Back to cited text no. 13
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Koora K, Muthu MS, Rathna PV. Spontaneous closure of midline diastema following frenectomy. J Indian Soc Pedod Prev Dent 2007;25:23-6.  Back to cited text no. 14
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Gass JR, Valiathan M, Tiwari HK, Hans MG, Elston RC. Familial correlations and heritability of maxillary midline diastema. Am J Orthod Dentofacial Orthop 2003;123:35-9.  Back to cited text no. 15
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Huang WJ, Creath CJ. The midline diastema: A review of its etiology and treatment. Pediatr Dent 1995;17:171-9.  Back to cited text no. 16
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  [Figure 1], [Figure 2], [Figure 3], [Figure 4]



 

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