Faculty Information - SASAKI Riyou

（Last updated : 2025-04-25 12:24:56）

SASAKI Riyou
Department School of Medicine(Tokyo Women's Medical University Hospital), School of Medicine Department of Oral and Maxillofacial Surgery, Division of Oral and Maxillofacial

Position Assistant Professor

■ Published papers

1.	Other	C-Arm Fluoroscopy for the Search of Suctioned Screw in Orthognathic Surgery 2025/04/24
2.	Other	Docking Technique for Condylar Fracture With Severe Medial Displacement 2025/04/24
3.	Case report	Surgical Treatment of Severe Deviated Condylar Base Fracture in Pediatric Bilateral Condylar Fracture: 12-Year Follow-Up. 2024/09/30
4.	Case report	Percutaneous injection of minocycline in postoperative sialocele following condylar fracture 2024/09/16
5.	Other	Nasogastric Tube-guided Nasotracheal Intubation for Narrow Nasal Passage in Orthognathic Surgery 2024/09/06
6.	Original article	Three-dimensional Hemifacial Microsomia Classification with New Subtypes Based on the Pruzansky and Kaban Classification 2024/05/29
7.	Case report	Gingival amalgam tattoo 2023/08/21
8.	Original article	Innsbruck-style retromandibular anterior trans-parotid approach for condylar fractures: A retrospective review of 39 fractures 2023/06/21
9.	Case report	Unilateral Severe Condylar Resorption Following Internal Fixation in Bilateral Mandibular Condylar Fracture 2023/05/18
10.	Case report	Traumatic Buccal Fat Pad Herniation in a Child: a Case Report 2022/07/08
11.	Case report	Four erupted supernumerary teeth around the maxillary second molar 2021/05
12.	Review article	Tissue-engineered nerve guides with mesenchymal stem cells in the facial nerve regeneration 2021/05
13.	Case report	Deep Neck Infection Following Third Molar Removal 2021/03/22
14.	Case report	Mandibular Condylar Fracture in a Professional Soccer Goalkeeper: How to Achieve Early Return-to-Play—A Case Report 2021
15.	Case report	Mandibular Fracture in a Patient Taking a Direct Oral Anticoagulant 2020/10/08
16.	Other	Autoimmune blisters in the gingiva 2020/09/06
17.	Case report	Accidental Insertion of a Piercing Needle in Tongue 2020/08/05
18.	Other	Cross-face Nerve Grafting Model for Long Peripheral Nerve Gap Regeneration in Rats 2020/07/08
19.	Original article	One-stage free transfer of latissimus dorsi-serratus anterior combined muscle flap with dual innervation for smile reanimation in established facial paralysis 2020/01/31
20.	Case report	Refracture of the Mandibular Condyle in Epilepsy 2020
21.	Other	A cage cleaning method for researchers without a cage-washing machine or cage-washing staff 2019/12
22.	Case report	Submandibular Gland Hemangioma 2019/07
23.	Original article	Surgery-First Orthognathic Surgery for Severe Facial Asymmetry Combined With Mandibular Distraction Osteogenesis Using a 3-Dimensional Internal Distractor 2019/01
24.	Case report	Intramasseteric Schwannoma Derived from the Masseteric Nerve 2019
25.	Original article	A method package for electrophysiological evaluation of reconstructed or regenerated facial nerves in rodents 2018/04
26.	Other	Congenital granular cell epulis 2018
27.	Case report	Genial Tubercle Fracture 2018
28.	Other	Unusual natal tooth 2018
29.	Original article	Progressive Atrial Conduction Defects Associated With Bone Malformation Caused by a Connexin-45 Mutation. 2017/07
30.	Other	Craniofacial fellowship at the Chang Gung Memorial Hospital: A review of a 8-month fellowship experience 2017/03
31.	Other	Iohexol oral rinse to differentiate the palatoglossal surfaces in computed tomography of patients with obstructive sleep apnoea. 2017/02
32.	Original article	Undifferentiated and differentiated adipose-derived stem cells improve nerve regeneration in a rat model of facial nerve defect. 2017/02
33.	Review article	Mandibular reconstruction using ProPlan CMF: A review 2017/01
34.	Original article	Facial nerve regeneration using basic fibroblast growth factor-impregnated gelatin microspheres in a rat model 2016/10
35.	Original article	Surgical anatomy of the sural nerve for peripheral nerve reconstruction research in swine 2016/02
36.	Other	Concomitant Third Molar Removal During Sagittal Split Osteotomy of the Mandible. 2016/01
37.	Case report	Palatal Osseous Choristoma. 2016/01
38.	Case report	Clinicopathologic Assessment of Myositis Ossificans Circumscripta of the Masseter Muscles. 2015/09
39.	Other	Dermoscopy imaging findings in the normal Oral Mucosa. 2015/09
40.	Original article	Effectively Axonal-supercharged Interpositional Jump-Graft with an Artificial Nerve Conduit for Rat Facial Nerve Paralysis 2015/06
41.	Original article	Surgical procedure of extracting teeth for obtaining dental pulp for regenerative medicine in swine. 2015/04
42.	Original article	Bidirectional/double fascia grafting for simple and semi-dynamic reconstruction of lower lip deformity in facial paralysis. 2015/03
43.	Case report	Cartilaginous choristoma of the tongue 2015/03
44.	Case report	Intraoperative stroke in the mandibular osteoradionecrosis: a case report 2015/01
45.	Original article	Electrophysiological and functional evaluations of regenerated facial-nerve defect with a tube containing dental pulp cells in rats 2014/11
46.	Original article	Adipocyte-derived and dedifferentiated fat cells promoting facial nerve regeneration in a rat model. 2014/10
47.	Other	Surgical Anatomy of the Hypoglossal Nerve for Facial Nerve Reconstruction Research in Swine 2014/10
48.	Original article	Unilateral Multiple Facial Nerve Branch Reconstruction Using "End-to-side Loop Graft" Supercharged by Hypoglossal Nerve. 2014/10
49.	Other	Cyber-shot, a Handy Digital Camera for Maxillofacial Surgery 2014/08
50.	Original article	A polylactic acid non-woven nerve conduit for facial nerve regeneration in rats. 2014/06
51.	Case report	Two stage enucleation and deflation of a large unicystic ameloblastoma with mural invasion in mandible 2014/06
52.	Original article	Vascularized versus non-vascularized island-median nerve grafts in the facial nerve regeneration and functional recovery of rats for facial nerve reconstruction study 2014/02
53.	Original article	Establishment of a normalized revascularization mouse model using tumor transplantation 2014
54.	Case report	A toothbrush impalement injury of the floor of mouth in autism child 2013/12
55.	Other	Anesthesia for research on reconstructive facial surgery in rats 2013/05
56.	Case report	Transplantation of a tooth involved in dentigerous cyst 2012/12
57.	Original article	Punch and spindle-shaped biopsies for collecting oral mucosal tissue for the fabrication of transplantable autologous epithelial cell sheets 2012/10
58.	Case report	Spontaneous fibrosarcoma in an experimental aged Lewis rat 2012/10
59.	Original article	Multistage bone-charged distraction osteogenesis for aesthetic reconstruction of an extensive bone deficiency in the mandible. 2012/01
60.	Case report	Multi-Stage Bone-Charged Distraction Osteogenesis for Aesthetic Reconstruction of an Extensive Bony Deficiency in the Mandible 2012
61.	Original article	Fabrication and validation of autologous human oral mucosal epithelial cell sheets to prevent stenosis after esophageal endoscopic submucosal dissection 2011/11
62.	Original article	Improved "bell-bottom" flap surgical technique for syndactyly without skin graft. 2011/11
63.	Original article	PLGA artificial nerve conduits with dental pulp cells promote facial nerve regeneration 2011/11
64.	Other	Surgical procedure for transplanting artificial nerve conduits for peripheral nerve regeneration. 2011/08
65.	Other	Fabrication of human oral mucosal epithelial cell sheets for treatment of esophageal ulceration by endoscopic submucosal dissection 2010/12
66.	Original article	Surgical anatomy of the swine face 2010/10
67.	Other	A protocol for immunofluorescence staining of floating neurospheres 2010/07
68.	Other	Temporary inhalation anesthesia in experimental pigs 2010/01
69.	Case report	Multiple keratocystic odontogenic tumors associated with nevoid basal cell carcinoma syndrome having distinct PTCH1 mutations: a case report 2010
70.	Original article	Nevoid basal cell carcinoma syndrome with cleft lip and palate associated with the novel PTCH gene mutations 2009/07
71.	Other	An easy method for skeletal preparation using household oxygen bleach for maxillofacial surgical research 2009
72.	Original article	Analysis of the Pattern of Maxillofacial Fracture by Five Departments in Tokyo 2009
73.	Case report	Mandibular gingival arteriovenous malformation in pregnancy. British Journal of Oral and Maxillofacial Surgery 2008/12
74.	Original article	Tubulation with dental pulp cell promotes facial nerve regeneration in rats 2008/07
75.	Original article	Neurosphere generation from dental pulp of adult rat incisor 2008/02
76.	Other	Ambu-bag for the treatment of anesthesia-induced apnea in experimental rat 2008
77.	Other	Rat nasal mask for oral and maxillofacial surgical research 2008
78.	Case report	Submandibular cellulitis caused by odontogenic infection concomitant with endogenous endophthalmitis and lung abscess 2008
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■ Academic conference presentation

1.	Single-splint Orthognathic Surgery: Maxillary First （口頭，シンポジウム・ワークショップパネル（指名）） 2024/10/29
2.	Innsbruck-style retromandibular anterior trans-parotid approach for condylar fractures: Experience in Tokyo （口頭，一般） 2024/02/02
3.	Surgical complications with internal fixation of mandibular condylar fractures using retro-mandibular anterior trans-parotid (RAT/ Innsbruck) approach （口頭，一般） 2023/11/07
4.	The first segmental maxillomandibular rotational advancement (SMMRA) after craniofacial fellowship at the Chang Gung Memorial Hospital （口頭） 2019/10/07
5.	Mandibular condyle fractures treated by the Innsbruck style retromandibular anterior transparotid (RAT) approach combined with the triangular-positioned double miniplate osteosynthesis technique: A retrospective review of 20 fractures （口頭，一般） 2018/11/11
6.	Changes of the oro-maxillofacial structures after segmental maxillo-mandibular rotational advancement (SMMRA) （口頭，シンポジウム・ワークショップパネル（指名）） 2018/03/11
7.	Physiological responses of oromaxillofacial anatomy in obstructive sleep apneics undergoing maxillomandibular advancement (MMA) Translation and transformation of tongue and soft palate after MMA （口頭，シンポジウム・ワークショップパネル（公募）） 2017/10/09
8.	Multiple Facial-Nerve Branch Reconstruction Using "End-to-Side Loop Graft with Axonal Supercharge （口頭，一般） 2017/08/04
9.	Computed tomography evaluation with iohexol oral rinse in obstructive sleep apnoea （ポスター掲示，一般） 2017/03/31
10.	Experimental miniature swine for facial nerve reconstructive research using dental pulp cells （ポスター掲示，一般） 2017/03/31
11.	Segmental maxillomandibular rotational advancement in obstructive sleep apnoea: a long-term follow-up （ポスター掲示，一般） 2017/03/31
12.	Erdheim-Chester disease: a case report （ポスター掲示，一般） 2016/01/27
13.	Mandibular reconstruction using ProPlan CMF: review of literature （ポスター掲示，一般） 2016/01/27
14.	Anesthesia for research on facial reconstructive surgery in rats （ポスター掲示，一般） 2013/10/21
15.	Intraoperative stroke in the mandibular osteoradionecrosis （ポスター掲示，一般） 2013/10/21
16.	Rat facial nerve defect model for facial nerve regeneration study （ポスター掲示，一般） 2013/06/30
17.	Biopsies for collecting oral mucosal tissue for tissue-engineered cell sheets （ポスター掲示，一般） 2012/09/11
18.	Two stage enucleation and deflation of a large unicystic ameloblastoma with mural invasion in mandible （ポスター掲示，一般） 2012/09/11
19.	Surgical Anatomy of The Swine Face for Maxillofacial Surgery （ポスター掲示，一般） 2011/11
20.	Degradable tube filled with denntal pulp cells for facial nerve regeneration 2009/05
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■ Qualifications & licenses

2018/10/31

FIBCSOMS (Fellow of the International Board for the Certification of Specialists in Oral & Maxillofacial Surgery)

■ Research areas

Key Word：Maxillofacial surgery, Maxillofacial fracture, Condylar fracture, Orthognathic surgery, Maxillomandibular advancement, Gorlin syndrome, facial nerve regeneration

■ Awards & honors

1.	2010/06	The Annual meeting of Japanese Stomatological Society Award
2.	2009/10	MEDARTIS Award on 54th Annual meeting of Japanese Society of Oral and Maxillofacial Surgeons
3.	2007/09	MEDARTIS Award on 52nd Annual meeting of Japanese Society of Oral and Maxillofacial Surgeons

■ Academic society memberships

International Association of Oral and Maxillofacial Surgeons