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1、前牙种植-鼻腭管相关问题,组织形态 种植侵入的并发症及处理 如何规避,鼻腭管起源于双侧鼻腔前壁的某处,在切牙孔处开口(有多种变异形态)。内含鼻腭神经,三叉神经分支,伴行的鼻腭动脉及上颌动脉分支,结缔组织,脂肪及腺体等。,Implants Placed in the Nasopalatine Canal to Rehabilitate Severely Atrophic Maxillae: A Retrospective Study With long Follow-up,Neurovascularization of the anterior jaw bones revisited using
2、 high-resolution magnetic resonance imaging,组织形态,Neurovascularization of the anterior jaw bones revisited using high-resolution magnetic resonance imaging,Neurovascularization of the anterior jaw bones revisited using high-resolution magnetic resonance imaging,Morphology of the nasopalatine canal an
3、d dental implant surgery: a radiographic analysis of 100 consecutive patients using limited cone-beam computed tomography,Morphology of the nasopalatine canal and dental implant surgery: a radiographic analysis of 100 consecutive patients using limited cone-beam computed tomography,Morphology of the
4、 nasopalatine canal and dental implant surgery: a radiographic analysis of 100 consecutive patients using limited cone-beam computed tomography,并发症,Placement of implants with invading into the NPC may lead to direct contact of the implant with connective tissue and cause a series of complications, i
5、ncluding hemorrhage during operation, short term sensory disturbance postoperatively, non-osseointegration of implant and nasopalatine duct cyst formation,Relationship of central incisor implant placement to the ridge configuration anterior to the nasopalatine canal in dentate and partially edentulo
6、us individuals: a comparative study,术后血肿,Hosokawa T, Nishihara J, Miyoshi S, Fujishima Y, Miyake M, Nagahata S. A case of hematoma of the palate associated with extirpation of impacted supernumerary teeth in the anterior maxilla one week after. Pediatr Oral Maxillofac Surg. 2000;10:2932.,暂时性感觉丧失,Imp
7、lants Placed in the Nasopalatine Canal to Rehabilitate Severely Atrophic Maxillae: A Retrospective Study With Long Follow-up,暂时性感觉丧失,Filippi A, Pohl Y, Tekin U (1999) Sensory disorders after separation of the nasopalatine nerve during removal of palatal displaced canines: prospective investigation.
8、Br J Oral Maxillofac Surg 37: 134136. pmid:10371320 doi: 10.1054/bjom.1997.0092,术后鼻腭管囊肿,Nasopalatine Duct Cyst, a Delayed Complication to Successful Dental Implant Placement: Diagnosis and Surgical Management,术后鼻腭管囊肿,Nasopalatine Duct Cyst, a Delayed Complication to Successful Dental Implant Placeme
9、nt: Diagnosis and Surgical Management,FIGURE 3. (a) Intrasulcular incisions were made to allow the complete raising of the palatal mucoperiosteal flap, taking care not to penetrate the midline underlying friable cystic wall. (b) The implant palatal surface appears completely devoid of osseous tissue
10、. (c) The buccal flap has been raised over tooth 11 to relieve an apical bony dehiscence and underlying cavity. (d) The dimensions of the required symphyseal graft have been mapped out onto the bony cortex. (e) The symphyseal cortex has been completely penetrated using a small round bur (no. 1) and
11、elevated slightly from the underlying trabecular bone. (f) The harvested cortical plate. (g) The screw holes for fixation of the graft have been made. (h) The symphyseal graft is secured in place with 11-mm screws, thus coverin,Nasopalatine Duct Cyst, a Delayed Complication to Successful Dental Impl
12、ant Placement: Diagnosis and Surgical Management,Nasopalatine Duct Cyst, a Delayed Complication to Successful Dental Implant Placement: Diagnosis and Surgical Management,如何对待切牙孔?,避开 去除,避开,Relationship of central incisor implant placement to the ridge configuration anterior to the nasopalatine canal
13、in dentate and partially edentulous individuals: a comparative study,Relationship of central incisor implant placement to the ridge configuration anterior to the nasopalatine canal in dentate and partially edentulous individuals: a comparative study,Relationship of central incisor implant placement
14、to the ridge configuration anterior to the nasopalatine canal in dentate and partially edentulous individuals: a comparative study,Relationship of central incisor implant placement to the ridge configuration anterior to the nasopalatine canal in dentate and partially edentulous individuals: a compar
15、ative study,Neither selected a tapered implant nor a minor adjustment (less than 10) of implant angulation can avoid NPC perforation successfully in some cases. 2. The results in this studysuggested that other appropriate features of implant, for example a shorter implant or a narrower implant, or a
16、 greater embedded angle that departed from the axis of the restoration might be selected to avoid perforation in some cases.,Relationship of central incisor implant placement to the ridge configuration anterior to the nasopalatine canal in dentate and partially edentulous individuals: a comparative
17、study,相关文献,Three-dimensional observations of the incisive canal and the surrounding bone using cone-beam computed tomography 2. Cone Beam Computed Tomography Assessment of the Maxillary Incisive Canal and Foramen: Considerations of Anatomical Variations When Placing Immediate Implants,去除,方法一:保留神经但是移
18、位 方法二:去除神经,1.保留神经但是移位,Displacement of the incisive foramen in conjunction with implant placement in the anterior maxilla without jeopardizing vitality of asopalatine nerve and vessels: a novel surgical approach,Displacement of the incisive foramen in conjunction with implant placement in the anterio
19、r maxilla without jeopardizing vitality of asopalatine nerve and vessels: a novel surgical approach,Implants Placed in the Nasopalatine Canal to Rehabilitate Severely Atrophic Maxillae: A Retrospective Study With Long Follow-up,2. 去除神经,FIGURE. (a) Initial panoramic radiograph showing severe maxillar
20、y atrophy. (b) Axial view of the preoperative computerized tomography (CT) scan; the nasopalatine canal can be observed. (c) Planning of implant positions on the CT scan. (d) Identification of the nasopalatine canal after flap elevation. (e) Removal of the neurovascular bundle with a drill. (f) Prep
21、aration of the implant site using osteotomes. (g) Occlusal view of the implant site in the nasopalatine canal prepared using osteotomes. (h) Placement of particulated bone graft in the nasopalatine canal.,Implants Placed in the Nasopalatine Canal to Rehabilitate Severely Atrophic Maxillae: A Retrosp
22、ective Study With Long Follow-up,Implants Placed in the Nasopalatine Canal to Rehabilitate Severely Atrophic Maxillae: A Retrospective Study With Long Follow-up,FIGURE CONTINUED. (i) Compaction of the particulate bone graft in the nasopalatine canal with an osteotome. (j) Implant insertion in the na
23、sopalatine canal. (k) Occlusal view of the 7 implants placed. (l) Regeneration of the peri-implant palatal bone defects with particulate bone graft. (m) Healed tissues. (n) Screwed fixed prosthesis. (o) Final panoramic radiograph. (p) Intraoral radiograph taken after 24 months of follow-up.,Implants Placed in the Nasopalatine Canal to Rehabilitate Severely Atrophic Maxillae: A Retrospective Study With Long Follow-up,2. 去除神经,Incisive Canal Deflation for Correct Implant Placement: Case Report,Incisive Canal Deflation for Correct Implant Placement: Case Report,
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