CHOOSING THE OPTIMAL IMPLANT DIAMETER FOR DIRECT DENTAL IMPLANTATION IN THE INTER-ROOT SEPTUM OF THE MAXILLA MOLARS IN PEOPLE WITH DIFFERENT SHAPES OF ALVEOLAR ARCHES

The purpose of this article is to study the structure of the distal sections of the alveolar processes of the maxilla in people with different forms of alveolar arches in order to determine the optimal diameter of implantation when relocating the upper jaw molars to the interradicular septa.

Materials and methods. The study involved 94 patients, men and women aged 18–36 years. Clinical (examination and selection of patients), anthropometric (study of the peculiarities of the structure of the upper jaw and alveolar arches) and radial methods of the study (cone-ray computer tomography of the right and left upper jaws were carried out, followed by studying the features of the alveolar process with a program for viewing and analysis of computer tomograms).

Results. The studied anthropometric parameters of the right and left upper jaws did not differ significantly from each other (p>0.05). Correlation links between the indices of the distance from the hillock to the intermaxillary suture and the distance from the fronto-maxillary suture to the lower edge of the alveolar process of the right and left upper jaws are revealed. Studies have shown that the diameter of the circumference inscribed in the base of the interradicular septum was greatest in the region of the first molars in all groups of objects under study.

Conclusions. The diameter of the implant should be determined in the preoperative period according to the developed method. It corresponds to the calculated diameter of the only possible circle inscribed in the triangle built into the base of the interradicular septum. The calculated diameter of the circle is the optimal diameter of the dental implant for direct implantation into the interradicular septum and allows the use of implants of the largest diameters.

interradicular septa, alveolar arch, upper jaw, dental implantation

1. Glyukman Kh. Sokrashchennye sroki implantologicheskogo lecheniya odnomomentnaya ustanovka implantata ankylos v lunku udalennogo molyara [A shorter period of implant treatment. immediate placement of ankylos implant in the extraction of molars]. Clinical dentistry. 2010; 4(56): 46–50 (in Russian).

2. Jaremenko A.I., Shterenberg D.G., Shcherbakov D.A. Varianty atrofii al'veolyarnogo otrostka verkhney chelyusti po dannym dental'noy komp'yuternoy tomografii [The atrophy variants of alveolar process of maxilla by the dental CT findings]. Institute of dentistry. 2012; 1(54): 106–107 (in Russian).

3. Fugazzotto P. A. Immediate implant placement following a modified trephine/osteotome approach: success rates of 116 implants to 4 years in function. Int. J. Oral Maxillofac. Implants. 2002; 17(1): 113–120.

4. Kazkayasi M., Batay F., Bademci G. et al. The morphometric and cephalometric study of anterior cranial landmarks for surgery // Minim. Invasive Neurosurg. 2008; 51(1): 21–25. DOI: 10.1055/s-2007-1022541.

5. Talebi Ardakani M. R., Alizadeh Tabari Z., Golami G. A. et al. Immediate implantation in the maxillary and mandibular molar fresh sockets: technique and results. J. Periodontol. Implant. Dentistry. 2011; 2(2): 51–55.

6. Van den Bergj J. P., ten Ruggenkate C. M., Disch F. J., Tuinzing D. B. Anatomical aspects of sinus floor elevations. Clin. Oral. Implants Res. 2000; 11(3): 256–265.

7. Carinci F. Survival and success rate of one-piece implant inserted in molar sites. Dent. Res. J. (Isfahan). 2012; 9(Suppl 2): S155–S159. DOI: 10.4103/1735-3327.109730

8. Fugazzotto P. A. Implant placement at the time of maxillary molar extraction: treatment protocols and report of results. J. Periodontol. 2008; 79(2): 216-223. doi: 10.1902/jop.2008.070338.

9. Zhang W., Skrypczak A., Weltman R. Anterior maxilla alveolar ridge dimension and morphology measurement by cone beam computerized tomography (CBCT) for immediate implant treatment planning. BMC Oral Health. 2015; 15: 65. DOI: 10.1186/s12903-015-0055-1

10. Braut V., Bornstein M. M., Lauber R., Buser D. Bone dimensions in the posterior mandible: a retrospective radiographic study using cone beam computed tomography. Part 1--analysis of dentate sites. Int. J. Periodontics Restorative Dent. 2012; 32(2): 175-184.

11. Rezaei Z., Nourelahi M. Immediate Implantation in Maxillary Molar Sites: A Literature Review. Middle East Journal of Rehabilitation and Health. 2015; 2(3): e30616. DOI: 10.17795/mejrh-30616