JICDRO is a UGC approved journal (Journal no. 63927)

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LETTER TO EDITOR
Year : 2022  |  Volume : 14  |  Issue : 2  |  Page : 161-162

Repositioning of buccal corticotomy: An innovative surgical technique for removal of lingually placed cyst


Departments of Oral and Maxillofacial Surgery, Dr. D. Y. Patil Vidyapeeth's, Dr. D. Y. Patil Dental College and Hospital, Pune, Maharashtra, India

Date of Submission10-Aug-2021
Date of Decision07-Feb-2022
Date of Acceptance27-Jul-2022
Date of Web Publication29-Dec-2022

Correspondence Address:
Dr. Shilpa S Bawane
Department of Oral and Maxillofacial Surgery, Dr. D. Y. Patil Vidyapeeth's, Dr. D. Y. Patil Dental College and Hospital, Pimpri, Pune, Maharashtra
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jicdro.jicdro_55_21

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How to cite this article:
Bawane SS, Waknis PP, Bhujbal PV. Repositioning of buccal corticotomy: An innovative surgical technique for removal of lingually placed cyst. J Int Clin Dent Res Organ 2022;14:161-2

How to cite this URL:
Bawane SS, Waknis PP, Bhujbal PV. Repositioning of buccal corticotomy: An innovative surgical technique for removal of lingually placed cyst. J Int Clin Dent Res Organ [serial online] 2022 [cited 2023 Feb 8];14:161-2. Available from: https://www.jicdro.org/text.asp?2022/14/2/161/365839



Cyst of the mandible is the most common clinical condition dealt by oral and maxillofacial surgeons in routine practice. Dentigerous cyst is associated with unerupted or impacted tooth.[1],[2]

In the conventional technique of removal of the cyst, a large amount of thinned-out buccal bone is removed. When the cyst is located lingually, a large amount of sound buccal bone is removed to gain access to the cyst. This can lead to further resorption of bone and mobility of teeth. It may compromise the prosthetic rehabilitation of the patient. Sagittal split osteotomy (SSO) has been reported in the literature for the removal of lingually placed mandibular cysts.[3],[4],[5],[6],[7]

This technique requires surgical skill and expertise and is associated with postoperative disturbances of the inferior alveolar nerve (IAN).[6]

The authors have described a technique, “Repositioning of Buccal Corticotomy (RBC)” to overcome the complications associated with SSO and preserve the sound buccal bone for removal of the lingually placed cyst.

Three patients with the diagnosis of mandibular cysts were selected. Cone-beam computed tomography (CBCT) of the lesion revealed lingually placed cyst [Figure 1]a. The cyst caused expansion and perforation of the lingual cortex with sound buccal cortex. In RBC, the mucoperiosteal flap was reflected and the buccal cortex was exposed. The bony window was made in the region of 46 and 47. Care was taken to avoid injury to the roots of 1st and 2nd molars. Osteotomy was completed with osteotome and osteotomized buccal segment was stored in saline. The cystic lining was visible after the removal of the buccal cortex. The cyst was enucleated entirely along with the removal of 3rd molar [Figure 1]b. Hemostasis was achieved. Platelet-rich fibrin was placed into the surgical defect. Osteotomized buccal segment was repositioned and fixed with a titanium plate with five (2 mm × 8 mm) monocortical screws and two (2 mm × 12 mm) bicortical screws [Figure 1]c. CBCT was taken after 6 months which showed a reduction in the size of radiolucency and the presence of hardware in situ. Patients were followed up for 1 year [Figure 1]d. There were no postoperative complications such as wound dehiscence, IAN injury, implant exposure, delayed infection, and mobility/loss of vitality of teeth.
Figure 1: (a) preoperative CBCT axial view showing well-defined radiolucent lesion with expansion and perforation of the lingual cortex. (b) Cystic lining along with impacted 3rd molar. (c) Buccal corticotomy and repositioning of buccal cortex done with miniplate fixation. (d) Postoperative CBCT axial view showing a decrease in size of radiolucency and hardware in situ. CBCT - Cone-beam computed tomography

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RBC provides excellent surgical access to the lingually placed mandibular cyst. The sound buccal bone was preserved in this technique. It is relatively simple; there were no postoperative neurosensory disturbances of IAN. Therefore, we recommend this technique for beginners/young surgeons as an alternative to SSO.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
   References Top

1.
Shear M, Speight P. Cysts of the Oral and Maxillofacial Regions. 4th ed. St. Louis: Oxford Wright Inc.; 2007. p. 59-75.  Back to cited text no. 1
    
2.
Rajendran R, Sivapathasundharam B. Shafer's Textbook of Oral Pathology. 6th ed. India: Elsevier; 2009. p. 253-7.  Back to cited text no. 2
    
3.
Scolozzi P, Lombardi T, Jaques B. Le Fort I type osteotomy and mandibular sagittal osteotomy as a surgical approach for removal of jaw cysts. J Oral Maxillofac Surg 2007;65:1419-26.  Back to cited text no. 3
    
4.
Maher AH, Yahya SE. Use of saggital split osteotomy in removal of mandibular cysts. Egypt J Plast Reconst Surg 2010;34:113-7.  Back to cited text no. 4
    
5.
Lee HG, Rhee SH, Noh CA, Shin SH. Enucleation of large keratocystic odontogenic tumor at mandible via unilateral sagittal split osteotomy: A report of three cases. J Korean Assoc Oral Maxillofac Surg 2015;41:208-12.  Back to cited text no. 5
    
6.
Martis CS. Complications after mandibular sagittal split osteotomy. J Oral Maxillofac Surg 1984;42:101-7.  Back to cited text no. 6
    
7.
Oh S, Park JH, Paeng JY, Kim CS, Hong J. Comparison of surgical approach and outcome for the treatment of cystic lesion on lower jaw. Korean Assoc Oral Maxillofac Surg 2012;38:276-83.  Back to cited text no. 7
    


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