WebMETHODS: Twenty patients all requiring first premolar extractions were selected and treated with conventional straight wire mechanotherapy. Canine retraction was done using 125 g Nitinol closed coil springs. The maxillary canine on one side served as the experimental site while the contralateral canine served as the control. WebIn maxillary first molars, coronal root canals tend to converge towards the occlusal surface. The results of this study could be applied to improve the precision of endodontic …
Assessment of the coronal root canal morphology of permanent …
Web13 apr. 2024 · We found 3 canals in 3.4% of maxillary first premolar cases, which is higher than reported in the literature (1.7%), supporting the previous explanation that the population of failed root canal–treated teeth have higher proportions of complex anatomy contributing to root canal failure. eyebolt 1a
Influence of the Periapical Status of the Posterior Maxillary Teeth …
WebDentine Pulp chamber Root canal Enamel 12. Upper left incisor 13. Hyoid bone (projected laterally) 14. Ear lobe HEAD AND NECK Dental pantomography The dental pantomogram (see Fig. 1. 15) gives a panoramic image of both dental arches, as well as the mandible, temporomandibular joints and lower maxilla. http://www.columbia.edu/itc/hs/dental/endo/client_edit/lectures/AccessAnatomy.html WebD3330 Root Canal Therapy - Molar (excluding final restoration) $240 D3331 Treatment of Root Canal Obstruction, Nonsurgical Access $70 D3332 Incomplete Endodontic Therapy; Inoperable, Unrestorable or Fractured Tooth $43 D3333 Internal Root Repair of Perforation Defects $55 D3346 Retreatment of Previous Root Canal Therapy - Anterior $170 herman bergman konstgjuteri