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Table of Contents   
SHORT COMMUNICATION  
Year : 2018  |  Volume : 29  |  Issue : 2  |  Page : 252-253
Intra-alveolar extraction of impacted distoangular mandibular third molars: A novel technique


Department of Oral and Maxillofacial Surgery, Faculty of Dental Sciences, Sri Ramachandra University, Chennai, Tamil Nadu, India

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Date of Web Publication10-Apr-2018
 

   Abstract 

Recent trends in maxillofacial surgery are to reduce the trauma to the adjacent soft tissue. The distoangular impaction presents a challenge to the maxillofacial surgeon and also results in more surgical morbidity. Here, we present a minimally invasive extraction technique for the distoangular mandibular third molar impaction.

Keywords: Distoangular impaction, intra-alveolar extraction, wisdom tooth

How to cite this article:
Kumar K S, Sargunam A E, Ravindran C, Giri G. Intra-alveolar extraction of impacted distoangular mandibular third molars: A novel technique. Indian J Dent Res 2018;29:252-3

How to cite this URL:
Kumar K S, Sargunam A E, Ravindran C, Giri G. Intra-alveolar extraction of impacted distoangular mandibular third molars: A novel technique. Indian J Dent Res [serial online] 2018 [cited 2019 Nov 16];29:252-3. Available from: http://www.ijdr.in/text.asp?2018/29/2/252/229620

   Introduction Top


Surgical removal of the third molar is the most common procedure carried out by a maxillofacial surgeon in the dental office.[1] One can either carry out this procedure with a chisel and mallet, the lingual split technique or the bur/Piezotome technique.[1],[2] Transalveolar techniques when compared to intra-alveolar are time-consuming, expensive and can cause significant morbidities such as swelling, pain, trismus, dry socket, and nerve injury.[1],[2] The percentage of complications following third molar surgeries range from 2.6% to 30.9% depending on the type and the level of impaction.[3],[4] Distoangularly impacted mandibular molar teeth presents a challenge for a specialist maxillofacial surgeon because of distal path of exit and the lack of interdental space for elevator application. According to the Pederson scale for operative difficulty, the distoangular impaction is scaled between moderate to very difficult.[5] In our technique, we use the European pattern of conventional mandibular cowhorn forceps for the removal of distoangularly impacted tooth. In general, the principle of mandibular cowhorn forceps is to engage between the bifurcation of the mandibular molars, below the bone crest. This causes displacement of the tooth by an upward (occlusal) movement or by splitting the mesial and distal roots. In most of the distoangular teeth, the roots are either conical or the bifurcated roots has a distal curvature; this also favors for the superior displacement of the teeth following the apical pressure by the cowhorn mandibular forceps. The intraoral periapical radiography of the patient showing the distoangular mandibular third molar in Level I and Position A of Pell and Gregory classification, 1933 [Figure 1]. Based on this principle, in our technique, the cow-horn forceps are first placed between the second and third molar within the embrasure and below the cementoenamel junction [Figure 2] and [Figure 3]. Following this placement, an apical pressure is applied between the second and third molar, and now, the Cowhorn forceps design acts such as two-elevators working in unison both buccally and lingually. The arc of rotation also favors the superior or distal movement of the teeth and the displacement of distoangular tooth from the socket [Figure 4]. Sometimes a slight mesiodistal/linguobuccal movement of the forceps is given to complete the procedure. The displaced distoangular tooth can then be easily removed with a mandibular cowhorn or a mandibular crown forceps. This technique can rarely cause distal root fracture, but this is easily retrievable than the mesial root fracture which occurs commonly in distoangular impaction. The author recommends this technique for the removal of distoangular mandibular impactions in Level I and II and Position A and B (Pell and Gregory classification, 1933) as a closed intra-alveolar method. In case of proximal caries between second and third molar or a missing first molar, this technique is contraindicated to prevent any iatrogenic injuries.
Figure 1: Intraoral periapical radiograph showing distoangular mandibular third molar impaction

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Figure 2: Placement of cowhorn forceps in the mandibular model

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Figure 3: Intraoral view of cowhorn forceps application between the second and third mandibular molar teeth

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Figure 4: Distal and superior displacement of distoangular mandibular third molar teeth

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   Conclusion Top


The advantages of this technique is a closed intra-alveolar extraction, thereby eliminating the need for the open surgical method and requires very less armamentarium reducing the surgical morbidity and is less time-consuming and cost-effective also.

Declaration of patient consent

The authors certify that they have obtained all appropriate patient consent forms. In the form the patient(s) has/have given his/her/their consent for his/her/their images and other clinical information to be reported in the journal. The patients understand that their names and initials will not be published and due efforts will be made to conceal their identity, but anonymity cannot be guaranteed.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.

 
   References Top

1.
Pell GJ, Gregroy GT. Impacted Mandibular third molar: Classification and modified technique. Dent Dig 1933;39:330-8.  Back to cited text no. 1
    
2.
Singh V, Alex A, Pradhan R, Mohammad S, Singh N. Technique in the removal of impacted mandibular third molar: A comperative study. European J Gen Dent 2013;2:25-30.  Back to cited text no. 2
    
3.
Azenha MR, Kato RB, Bueno RB, Neto PJ, Ribeiro MC. Accidents and complications associated to third molar surgeries performed by dentistry students. Oral Maxillofac Surg 2014;18:459-64.  Back to cited text no. 3
[PUBMED]    
4.
Miloro M, Ghali GE, Larsen PE, Waite PD, Decker BC. Peterson's Principles of Oral and Maxillofacial Surgery. 2nd edition: Inc Hamilton; 2004.  Back to cited text no. 4
    
5.
Korner KR. The Removal of Impacted Third Molar-Principles and procedures. Dent Clin North AM 1994;38:255-78.  Back to cited text no. 5
    

Top
Correspondence Address:
Dr. A Emmanuel Dhiravia Sargunam
Department of Oral and Maxillofacial Surgery, Faculty of Dental Sciences, Sri Ramachandra University, Porur, Chennai - 600 116, Tamil Nadu
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijdr.IJDR_580_17

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    Figures

  [Figure 1], [Figure 2], [Figure 3], [Figure 4]

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