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Laura Martinfrances - One of the best experts on this subject based on the ideXlab platform.

  • ectopic Maxillary Third Molar in early pleistocene homo antecessor from atapuerca gran dolina site burgos spain
    American Journal of Physical Anthropology, 2020
    Co-Authors: Laura Martinfrances, Maria Martinontorres, Marina Martinez De Pinillos, Priscilla Bayle, Pilar Fernandezcolon, Cecilia Garciacampos, Mario Modestomata, Eudald Carbonell, Juan Luis Arsuaga
    Abstract:

    Objectives Here we describe the case of an ectopic Maxillary Third Molar (M3), preventing the eruption of the M2, in the individual H3 of the hominin hypodigm of level TD6.2 of the Early Pleistocene site of Gran Dolina (Sierra de Atapuerca, Spain). Materials and Methods The fossil remains from the TD6.2 level of the Gran Dolina site (about 170 specimens) are assigned to Homo antecessor. Different geochronological methods place these hominins in the oxygen isotopic stage 21, between 0.8 and 0.85 million years ago (Ma). The immature individual H3 is represented by an almost complete midface (ATD6‐69), preserving various teeth in situ. We used high‐resolution microtomograhy (mCT) to investigate the abnormal position of the left M3, virtually reconstruct M2, and M3 as well as assessing the development stage of these. Finally, we compare this case with extinct and extant populations. Results Based on the identified signs, we suggest that individual H3 suffered from a unilateral impaction of the M2 as a result of the ectopic position of the developing M3. Discussion We conclude that the most likely etiology for the ectopic position of the M3 is the lack of space in the maxilla. We discuss possible contributing factors, such as morphometric aspects of the maxilla and the early mineralization of the M3, to support the M2 impaction. Finally, due to the early age at death of this individual we did not identify any secondary lesion associated with the M2 impaction.

Yukkwan Chen - One of the best experts on this subject based on the ideXlab platform.

Juan Luis Arsuaga - One of the best experts on this subject based on the ideXlab platform.

  • ectopic Maxillary Third Molar in early pleistocene homo antecessor from atapuerca gran dolina site burgos spain
    American Journal of Physical Anthropology, 2020
    Co-Authors: Laura Martinfrances, Maria Martinontorres, Marina Martinez De Pinillos, Priscilla Bayle, Pilar Fernandezcolon, Cecilia Garciacampos, Mario Modestomata, Eudald Carbonell, Juan Luis Arsuaga
    Abstract:

    Objectives Here we describe the case of an ectopic Maxillary Third Molar (M3), preventing the eruption of the M2, in the individual H3 of the hominin hypodigm of level TD6.2 of the Early Pleistocene site of Gran Dolina (Sierra de Atapuerca, Spain). Materials and Methods The fossil remains from the TD6.2 level of the Gran Dolina site (about 170 specimens) are assigned to Homo antecessor. Different geochronological methods place these hominins in the oxygen isotopic stage 21, between 0.8 and 0.85 million years ago (Ma). The immature individual H3 is represented by an almost complete midface (ATD6‐69), preserving various teeth in situ. We used high‐resolution microtomograhy (mCT) to investigate the abnormal position of the left M3, virtually reconstruct M2, and M3 as well as assessing the development stage of these. Finally, we compare this case with extinct and extant populations. Results Based on the identified signs, we suggest that individual H3 suffered from a unilateral impaction of the M2 as a result of the ectopic position of the developing M3. Discussion We conclude that the most likely etiology for the ectopic position of the M3 is the lack of space in the maxilla. We discuss possible contributing factors, such as morphometric aspects of the maxilla and the early mineralization of the M3, to support the M2 impaction. Finally, due to the early age at death of this individual we did not identify any secondary lesion associated with the M2 impaction.

Chingyi Chen - One of the best experts on this subject based on the ideXlab platform.

Metin Sencimen - One of the best experts on this subject based on the ideXlab platform.

  • delayed retrieval of a displaced Maxillary Third Molar from infratemporal space via trans sinusoidal approach a case report and the review of the literature
    Oral and Maxillofacial Surgery, 2017
    Co-Authors: Metin Sencimen, Aydin Gulses, Sencer Secer, Tamer Zerener, Savas Ozarslanturk
    Abstract:

    Aim The aim of this case report is to present the trans-sinusoidal pathway used to remove a displaced Maxillary Third Molar from the infratemporal fossa and review the English literature regarding the techniques used.

  • Delayed retrieval of a displaced Maxillary Third Molar from infratemporal space via trans-sinusoidal approach: a case report and the review of the literature
    Oral and Maxillofacial Surgery, 2017
    Co-Authors: Metin Sencimen, Aydin Gulses, Sencer Secer, Tamer Zerener, Savas Ozarslanturk
    Abstract:

    Aim The aim of this case report is to present the trans-sinusoidal pathway used to remove a displaced Maxillary Third Molar from the infratemporal fossa and review the English literature regarding the techniques used. Case report A 21-year-old male patient was referred with the findings of an oroantral fistula on the left Maxillary vestibular first Molar region and slight restriction of mouth opening. The patient underwent a Maxillary sinus surgery in order to remove a sinus retention cyst via Caldwell-Luc access in a dental clinic 4 years ago. A computerized tomography scan showed the inverted Third Molar to be located in the infratemporal fossa, just between zygomatic arch and lateral pterygoid plate. The tooth was accessed through the remaining lateral bone defect from the Caldwell-Luc approach of the lateral sinus wall. The bone defect was extended. The posterior bony wall of the Maxillary sinus was removed via a surgical burr. After that, the displaced tooth was exposed. The tooth was mobilized via Warwick James elevator downwards and removed with a forceps. Conclusion Access for surgical removal of the tooth from the infratemporal fossa is not only difficult but also has potential for morbidity due to the structures running through it. Wide incision in the Maxillary sulcus and blunt dissection are reported with lower success rates and usually necessitate a second intervention via extraoral route. Trans-sinusoidal approach might be an old fashioned but relatively successfully attempt in the removal of the upper Third Molars from the infratemporal fossa. Considering the time of removal, if no symptoms were present, it is beneficial to wait for a couple of weeks thus facilitating development of fibrous surrounding around the tooth.

  • a large odontogenic keratocyst containing a Third Molar tooth in the Maxillary antrum
    Turkish Journal of Medical Sciences, 2005
    Co-Authors: Kerim Ortakoğlu, Berkay Tolga Suer, Metin Sencimen
    Abstract:

    tissues after odontogenesis is complete, and from these remnants a variety of tumors and cysts might possibly arise (1). Odontogenic keratocysts (OKCs) generally occur as a multilocular or unilocular radiolucency, often in a dentigerous relationship (2). While the most common occurrence location is the posterior portion of the mandible or the mandibular ramus, other locations have also been reported, such as the anterior portion of the maxilla, the Maxillary sinus and the Maxillary Third Molar area (3). In this paper, we shall present the case report of a keratocyst, which derived from an ectopic Third Molar, and which displaces both the orbital floor and the lateral wall of the nose, and whose expansion involves the whole right Maxillary sinus.