Abstract
#Coronectomy, a surgical technique that has been developed for
impacted mandibular third molars that their roots are in intimate
vicinity to the inferior alveolar nerve, refers to the removal of the
tooth crown while retaining the root/s within the jawbones. We report
the first case in which #coronectomy was successfully used to treat a
case of a partially impacted mandibular third molar with recurrent
#pericoronitis in a patient diagnosed with #florid osseous dysplasia. In
this condition the involved bone features poor cellularity and
vascularity, therefore increasing the risk of abnormal healing and
secondary infection following surgical procedures. We suggest that
coronectomy should be considered also in other conditions that affect
the quality of the jawbones that result in contraindication for complete
third molar extraction. Coronectomy has been developed as a relatively new treatment modality
for mandibular third molars, when surgery is necessary in case of an
intimate anatomic proximity between the inferior alveolar nerve (IAN)
and the roots of these teeth [1,2]. The procedure of coronectomy
intentionally retains the roots and the rational is to decrease the
prevalence of IAN injury compared with the conventional total removal of
the lower third molar [3]. Osseous #dysplasias are a group of idiopathic
processes located in the tooth-bearing areas characterized by
replacement of normal bone by fibrous tissue and #metaplastic bone[4]
When osseous dysplasias occur bilaterally in the mandible or even
involving all jaw quadrants, the condition was termed as florid osseous
dysplasia (FOD) and was first described by Melrose et al [5]. FOD is
commonly seen in middle aged black females and is quite rare in
Caucasians and Asians [4,6,7].
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For more Medical Research Articles on BJSTR
Third Molar Coronectomy in a Patient with Florid Osseous Dysplasia: A New Application for a known Technique by Adrian Kahn in BJSTR
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