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Management of an Immature Necrotic Permanent Molar with Apical Periodontitis Treated by Regenerative Endodontic Protocol Using Calcium Hydroxide and MM-MTA: A Case Report with Two Years Follow Up

1
Faculty of Dentistry, Department of Endodontics, Saint Joseph University, Beirut 1107-2180, Lebanon
2
Head of Department of Endodontics, Saint Joseph University, Beirut 1107-2180, Lebanon
*
Author to whom correspondence should be addressed.
Dent. J. 2019, 7(1), 1; https://doi.org/10.3390/dj7010001
Received: 4 November 2018 / Revised: 29 November 2018 / Accepted: 12 December 2018 / Published: 1 January 2019
(This article belongs to the Special Issue Advanced Dental Biomaterials)
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PDF [705 KB, uploaded 1 January 2019]
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Abstract

Traditionally, immature teeth diagnosed with necrotic pulp and periapical periodontitis were treated by apexification with long-term calcium hydroxide or in one session with mineral trioxide aggregate (MTA) or Biodentine apical plug. However, these teeth become fragile and susceptible to root fracture. Regenerative endodontic procedure is a new therapeutic approach that promotes continuation of root growth in immature necrotic teeth potentially preventing root fracture. Only few case reports have shown the success of this procedure on molar cases. The current case report demonstrates a regeneration of a lower first molar with necrotic pulp and chronic apical abscess treated with Micro Mega-MTA (MM-MTA), a new endodontic biomaterial that has not been described previously. Calcium hydroxide was used as an intracanal medicament for two weeks. Next, calcium hydroxide was removed and after blood clot creation, MM-MTA® was placed over it. Apical healing and continuation of root growth were evident at nine months follow-up. CBCT at two years follow-up confirmed apical closure and complete healing. This case shows that a regenerative endodontic procedure for management of an immature necrotic permanent molar is feasible and can be successfully done using Ca(OH)2 and MM-MTA. View Full-Text
Keywords: calcium hydroxide; Cone Beam Computed Tomography; immature necrotic permanent tooth; MM-MTA; regenerative endodontic treatment calcium hydroxide; Cone Beam Computed Tomography; immature necrotic permanent tooth; MM-MTA; regenerative endodontic treatment
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Ajram, J.; Khalil, I.; Gergi, R.; Zogheib, C. Management of an Immature Necrotic Permanent Molar with Apical Periodontitis Treated by Regenerative Endodontic Protocol Using Calcium Hydroxide and MM-MTA: A Case Report with Two Years Follow Up. Dent. J. 2019, 7, 1.

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