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UntitledDental Traumatology 2009; 25: 541–544; doi: 10.1111/j.1600-9657.2009.00811.x Management of a complicated crown-rootfracture using adhesive fragment reattachmentand orthodontic extrusionCASE REPORT Ce´lia Tomiko Matida Hamata Saito, Abstract – Dental trauma is more common in young patients and its sequelae Marcos Heidy Guskuma, Je´ssica may impair the establishment and accomplishment of an adequate treatment Lemos Gulinelli, Celso Koogi plan. This paper reports a case of complicated crown-root fracture in a young Sonoda, Idelmo Rangel Garcia- adult that was treated using adhesive tooth fragment reattachment and ´ nior, Osvaldo Magro Filho, orthodontic root extrusion. Considering the time elapsed to follow up, the Soˆnia Regina Panzarini fracture extension, the amount of remaining root portion and the patient's low Department of Surgery and Integrated Clinics, socioeconomic status, the treatment approach proposed for this case provided Dental School Arac¸atuba, Sa˜o Paulo State good functional and aesthetic outcomes. Clinical and radiographic results after University (UNESP), Arac¸atuba, SP, Brazil 2 years were successful. This case report demonstrates the importance ofestablishing a multidisciplinary approach for a successful dental traumamanagement.
Correspondence to: Profa. Dra. SoˆniaRegina Panzarini, Departamento deCirurgia e Clı´nica Integrada, Disciplina deClı´nica Integrada, Faculdade deOdontologia do Campus de Arac¸atuba,UNESP, Rua Jose´ Bonifa´cio 1193, CEP:1601-050, Arac¸atuba, SP, BrasilTel.: +55-18-3620-3240 or+55-18-3622-5693Fax: +55 18 36363332e-mail: firstname.lastname@example.org Accepted on 17 April, 2009 Dental trauma is a more common event in young patients and its sequelae may impair the establishment andaccomplishment of an adequate treatment plan. Each A 21-year-old female victim of motorcycle accident was trauma case should be evaluated on an individual basis (1).
referred to the Oral and Maxillofacial Traumatology and Crown-root fractures correspond to a signiﬁcant part Surgery Service of the Dental School of Arac¸atuba of cases of tooth injuries and are more prevalent in the (UNESP, Brazil) after receiving ﬁrst-aid medical care.
11–18-year-old age group (2). Depending on the exis- The patient presented with abrasions in the region of the tence or not of pulp involvement, they may be classiﬁed nose and chin, soft-tissue laceration in the upper lip and respectively as complicated, which are more frequent, or a complicated crown-root fracture with pulp exposure in non-complicated crown-root fractures (2, 3).
the maxillary left central incisor (Fig. 1). Part of the There are several treatment strategies for aesthetic and coronal fragment was in place, attached to the gingival.
functional rehabilitation in cases of crown-root fracture, The incisal coronal fragment, which was the largest including mucogingival ﬂap and adhesive reattachment portion, was found at the site of accident right after the of the original fragment (4), orthodontic extrusion ﬁrst-aid care and was maintained in saline storage until followed by reconstruction of tooth crown with a the following treatment session (Fig. 2). Periapical restorative material (5), orthodontic extrusion followed radiographs taken from different angulations revealed by prosthetic rehabilitation (6), adhesive fragment reat- an oblique root fracture that extended approximately tachment associated to laminate veneer (7) and inten- 2 mm intraosseous in the distal aspect. The maxillary left tional replantation (8). Indication of the type of lateral incisor presented enamel cracks and the neigh- treatment to be used depends primarily on the bone bouring teeth presented absence of clinical and radio- level of fracture.
graphic ﬁndings (Fig. 3).
This paper reports a case of complicated crown-root The emergency dental care aimed to alleviate the pain fracture in a young adult treated using adhesive tooth and discomfort. The coronal fragment was gently removed fragment reattachment and orthodontic extrusion.
under local anaesthesia, the soft-tissue laceration was Ó 2009 John Wiley & Sons A/S
Saito et al.
treated conservatively with local antiseptic solution, thecoronal pulp was curetted, and the pulp chamberreceived a dressing with a commercially prepared anti-biotic–corticosteroid product (OtosporinÒ, Farmoquı´mi-ca S/A, Rio de Janeiro, RJ, Brazil) and was provisionallysealed with a glass ionomer cement (Vidrion R, SSWhite, Rio de Janeiro, RJ, Brazil). Antibiotic therapy(amoxicillin 500 mg, three times/day; Eurofarma, Sa˜oPaulo, SP, Brazil) was started and maintained for 7 days.
An anti-inﬂammatory (Potassium diclofenac 50 mgevery 8 h for 3 days; Novartis Biocieˆncias SA, Sa˜oPaulo, SP, Brazil) and an analgesic (Paracetamol 750 mgevery 6 h in case of pain; Aventis Pharma Ltd, Suzano,SP, Brazil) were also prescribed.
Two days after the emergency visit, an exploratory Fig. 1. Pre-operative clinical view.
surgery showed that the fracture complicated crown-rootextended deeply subgingivally, invading the biologicalwidth in the distal aspect and reaching 2 mm below thebone crest (Fig. 4). In the same session, the coronalfragment maintained in saline storage was reattached tothe root remnant using and adhesive restorative techniquewith a total-etch adhesive system (Single Bond; 3M/ESPE,St Paul, MN, USA) and a light-cured microhybridcomposite resin (TPH, Dentsply Ind. e Com. Ltda,Petro´polis, RJ, Brazil). The restoration of the fracturedcrown was completed with composite resin (Fig. 5). Dueto the loss of tooth structure, a bevel was made on theremaining root portion to increase fragment retention.
An adequate adaptation of the incisal fragment to the Fig. 2. Incisal coronal fragment.
Fig. 4. Clinical aspect during the exploratory surgery showingthe extension of the complicated crow-root fracture, invadingthe biological width in the distal aspect.
Fig. 5. Clinical aspect after adhesive coronal fragment reat- Fig. 3. Pre-operative periapical radiograph.
Ó 2009 John Wiley & Sons A/S
Crown-root fracture and orthodontic extrusion Fig. 8. Clinical view after 24 months of follow up.
Fig. 6. Periapical radiograph after adhesive coronal fragmentreattachment.
Fig. 9. Radiographic aspect after 24 months of follow up.
Fig. 7. Fixed appliance used for orthodontic extrusion installed right central incisor and maxillary left lateral incisor, at and activated.
the incisal third, to provide the necessary anchorage fortooth movement (Fig. 7). A 0.012-inch stainless steelwire (Dental Morelli) was bent to form a 2-mm diameter distal aspect of the apical fragment was not possible due to loop with a 4-mm radicular extension, which was further the invasion of the biological width (Fig. 6). Endodontic roughened with diamond disks to provide retention and therapy started with removal of pulp tissue from the was cemented with glass ionomer cement (Vidrion R, SS remaining root portion under copious 1% sodium White) in the coronal root canal third of the fractured hypochlorite irrigation (Milton solution, Asfer-Industria tooth. Next, a 1/8 diameter orthodontic elastic was Quimica Ltda, Sa˜o Caetano do Sul, SP, Brazil), instru- placed through the coronal loop and tied to the palatal mentation and placement of a calcium hydroxide-based bow ﬁxed between the neighbouring teeth. The elastic intracanal dressing for 30 days. Deﬁnitive root canal string was changed once a week. Orthodontic extrusion obturation was performed thereafter with lateral conden- was terminated when all root margins were exposed, sation of gutta-percha points (Tanari; Tanariman Indus- which was achieved within 21 days. After reestablish- trial Ltda., Manacapuru, AM, Brazil) and Sealapex root ment of the biological width, the tooth was splinted with canal sealer (Kerr Corp., Orange, CA, USA), leaving the composite resin (TPH, Dentsply) for 12 weeks and a coronal third unﬁlled.
mucoperiostal ﬂap repositioning surgery was performed Orthodontic extrusion was performed using a ﬁxed in the area surrounding the extruded tooth. The appliance to re-establish the biological width. A 0.028- treatment was completed with post space preparation inch round stainless steel orthodontic wire (Dental and cementation of a metallic radicular post (FKG Morelli, Sorocaba, SP, Brazil) was ﬁxed with light-cured Dentaire, La-Cheaux-de Fonds, Switzerland) to provide composite resin to the palatal surface of the maxillary resistance to the fractured tooth. The palatal access was Ó 2009 John Wiley & Sons A/S Saito et al.
sealed with composite resin and tooth/composite sur- patient's age, the treatment proposed for this case, faces were repaired with composite resin, polished and combining adhesive tooth fragment reattachment and adjusted for occlusal interferences.
orthodontic root extrusion, provided good functional Clinical and radiographic follow up after 24 months and aesthetic outcomes. Clinical and radiographic results showed a good adaptation of the tooth fragment/ after 2 years were successful. This case report demon- composite resin restoration, absence of radiographic strates the importance of establishing a multidisciplinary signs of root resorption and absence of painful symp- approach for a successful management of dental trauma.
tomatology (Figs 8 and 9).
1. Canoglu H, Gungor HC, Cehreli ZC. Management of cervical One of the determinant factors for the functional and root fracture using orthodontic extrusion and crown reattach- aesthetic success in the management of complicated ment: a case report. Oral Surg Oral Med Oral Pathol Oral crown-root fractures is the adoption of a multidisciplin- Radiol Endod 2007;104:46–9.
2. Castro JCM, Poi WR, Manfrin TM, Zina LG. Analysis of the ary approach involving surgery, endodontics, periodon- crown fractures and crown-root fractures due to dental trauma tics and prosthodontics (6) The literature shows that assisted by the Integrated Clinic from 1992 to 2002. Dent coronal restoration of teeth with crown-root fracture is usually challenging, especially when the fracture extends 3. Andreasen FM. Reattachment of subgingivally fractured cen- below the bone level (9), as occurred in the present case.
tral incisor with an open apex. Dent Traumatol 2007;23:263–4.
Different treatment strategies have been proposed for 4. Eden E, Yanar SC, So¨nmez S. Reattachment of subgingivally cases of complicated crown-root fracture including fractured central incisor with an open apex. Dent Traumatol surgical exposure of the fractured surface, orthodontic 5. Emerich-Poplatek K, Sawicki L, Bodal M, Adamowicz-Klep- or surgical extrusion of the apical fragment, intentional alska B. Forced eruption after crown/root fracture with a replantation and tooth extraction in more severe cases simple and aesthetic method using the fractured crown. Dent (1, 4–8, 10, 11).
Orthodontic extrusion was the treatment of choice to 6. Poi WR, de Cardoso L, de Castro JC, Cintra LT, Gulinelli JL, re-establish the biological width in this case because it is de Lazari JA. Multidisciplinary treatment approach for crown considered a safe procedure with respect to the occur- fracture and crown-root fracture – a case report. Dent rence of root resorption and does not involve loss of periodontal support or bone tissue of the surrounding 7. Nandlal B, Daneswari V. Restoring biological width in crown- root fracture: a periodontal concern. J Indian Soc Pedod Prev teeth, which favours aesthetics (12–14).
Although adhesive fragment reattachment cannot be 8. Wang Z, Heffernan M, Vann WF Jr. Management of a considered a durable procedure for the management of complicated crown-root fracture in a young permanent incisor extensive fractures (5), this technique offers an effective using intentional replantation. Dent Traumatol 2000;24:100–3.
and conservative treatment option in some cases because 9. Koyuturk AE, Malkoc S. Orthodontic extrusion of subgingi- this technique shortens the operative time and improves vally fractured incisor before restoration. A case report: 3-years the reproduction of tooth colour, shape and contour (15).
follow-up. Dent Traumatol 2005;21:174–8.
On the other hand, the reconstruction of a fractured 10. Heda CB, Heda AA, Kulkarni SS. A multi-disciplinary tooth with composite resin is a good alternative for approach in the management of a traumatized tooth withcomplicated crown-root fracture: A case report. J Indian Soc young patients, having the advantage of preserving the Pedod Prev Dent 2006;24:197–200.
remaining root portion and providing an immediate 11. Villat C, Machtou P, Naulin-Iﬁ C. Multidisciplinary approach resolution to the case, which is particularly important for to the immediate esthetic repair and long-term treatment of an patients that cannot afford a prosthetic rehabilitation oblique crown-root fracture. Dent Traumatol 2004;20:56–60.
(16). In the present case, composite resin reconstruction 12. Bach N, Baylard JF, Voyer R. Orthodontic extrusion: peri- was associated with tooth fragment reattachment. The odontal considerations and applications. J Can Dent Assoc reduced resistance of the restored tooth to the mastica- tory efforts was compensated by the cementation of an 13. Benenati FW, Simon JHS. Orthodontic root extrusion: its rationale and uses. Gent Dent 1986;34:285–9.
intracanal retainer. Although the use of the tooth 14. Heithersay GS. Combined endodontic-orthodontic treatment fragment reattachment technique is not common in these of transverse root fractures in the region of the alveolar crest.
cases, it is important that dentists warn their patients on Oral Surg Oral Med Oral Pathol 1973;36:404–15.
the importance of collecting fragments of teeth fractured 15. Cengiz SB, Kocadereli I, Gungor HC, Altay N. Adhesive due to traumatic injuries and instruct them on the use of fragment reattachment after orthodontic extrusion: a case adequate wet storage medium, so that the fragments can report. Dent Traumatol 2005;21:60–4.
be suitable for reattachment (4).
16. Panduric V, Gabric D, Negovetic-Mandic V. Immediate post- Considering the time elapsed to follow up, the fracture traumatic upper incisor reconstruction using composite resinmaterials. Dent Traumatol 2008;24:108–11.
extension, the amount of remaining root portion and Ó 2009 John Wiley & Sons A/S
LYMPHATIC FILARIASIS MORBIDITY PROJECT SURGICAL HANDBOOK An Aid to District Hospital Surgeons 2nd edition, Summer 2007 LF -Filaricele surgery handbook* IMPORTANT NOTICE: Techniques described in this Handbookare only for treating LF patients who have normal scrotal skin! Surgical techniques described here and during The West Africa LF-Morbidity Project's training workshops are contraindicated inpatients with significant lymphoedema of the scrotal skin,elephantiasis of the scrotum, or lymph-scrotum. Such conditionsmay generally require reconstructive surgery.