Questions & Cases Featured Clinician Dr. Hideki Okumura Head-Scratcher Case & Questions

Duration Duration: 1:36:27
Clip Episode: Podcast #38
Clip Released: 04/16/2026

Questions & Cases Featured Clinician Dr. Hideki Okumura Head-Scratcher Case & Questions

We are thrilled to feature expert clinician Dr. Hideki Okumura from Kobe, Japan! First, Ruddle presents Dr. Okumura’s skilled retreatment approach involving a complicated Head-Scratcher case… note the puzzle comes together perfectly! Then, recent Q&A between the two is shared, offering additional insight into previously-shown Ruddle cases.

Podcast Topics & Timecodes:

BASIS OF PODCAST
00:00:24
HEAD-SCRATCHER DEFINED
00:02:19
MEET HIDEKI OKUMURA
00:04:26
OKUMURA CASE REVIEW
00:11:33
LET’S ‘TIP OUR CAP’!
00:33:26
REIMPLANTATION QUESTION
00:39:20
APICAL SCAR / LEO QUESTION
01:03:01
FIBER POST QUESTION
01:15:56
ENDO/PERIO QUESTION
01:25:30
THANK YOU HIDEKI!
01:34:58

Extra content referenced within podcast:

  • Featured ‘Ruddle Show’ Guest: Dr. Hideki Okumura
  • Academy of Osseointegration (AO): www.osseo.org (host organization, along with Dr. Hideki Okumura, to Ruddle's previously conducted, private study club in Tokyo, Japan)
  • American Association for Endodontists (AAE): www.aae.org (recommended site for searching relevant endodontic topics)
  • Pocket Dentistry: https://pocketdentistry.com/ (recommended site for searching relevant endodontic topics)
  • Blicher B, Lucier Pryles R, Lin J: Endodontics Review: A Study Guide. Quintessence Publishing Co, Inc, 2019
  • The Ruddle Show Lecture Continuums (mentioned in podcast): www.theruddleshow.com/portals
  • Hess W, Zürcher E: The Anatomy of the Root Canals of the Teeth of the Permanent and Deciduous Dentitions. New York: William Wood & Co, 1925
  • Andeasen JO: Traumatic Injuries of the Teeth, 2nd Edition. Philadelphia: WB Saunders Company, 1981
  • AAE Discussion Open Forum: https://connection.aae.org/communities/community-home

‘Ruddle Show’ episodes & podcasts referenced within this podcast:


Select PDF content displayed below. See Ruddle's complete library of downloadable PDF content at www.endoruddle.com/pdfs
See also Ruddle's complete Just-In-Time® Video Library at www.endoruddle.com/jit

Downloadable PDFs & Related Materials

Ruddle Article
"Nonsurgical Endodontic Retreatment"
Jun 2004

There has been massive growth in endodontic treatment in recent years. This increase in clinical activity can be attributable to better-trained dentists and specialists alike. Necessary for this unfolding story is the general public's growing selection for root canal treatment...

Ruddle 'Endodontic Therapy' Interview
"NSRCT of Endo Failures: Treatment Concepts & Considerations"
Nov 2001

In a previous interview, Endodontic Therapy and Dr. Cliff Ruddle discuss nonsurgical retreatment and the integration of traditional and modern techniques for achieving excellence and producing predictable outcomes...

Ruddle Article
"NSRCT: Issues Influencing Treatment"
Feb 1998

Mao Tse Tung wrote “The foundation of success is failure”. Clinicians who strive for endodontic excellence appreciate the elements that comprise success and use these criteria to evaluate the causes of failure. Endodontic failure occurs for a variety of reasons, but what all failures share in common is leakage...

Ruddle Article
"Nonsurgical Retreatment: Post & Broken Instrument Removal"
Dec 2004

There has been massive growth in endodontic treatment in recent years. This upward surge of clinical activity can be attributable to better trained dentists and specialists alike. Necessary for this unfolding story is the general public’s growing selection for root canal treatment as an alternative to the extraction...

Ruddle Article
"Broken Instrument Removal: The Endodontic Challenge"
Sep 2018

Every clinician who has performed endodontics has experienced a variety of emotions ranging from the thrill-of-the-fill to an upset like the procedural accident of breaking an instrument...

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This transcript is made available by The Ruddle Show in an effort to share opinions and information, and as an added service. Since all show text has been transcribed by a third party, grammatical errors and/or misspellings may occur. As such, we encourage you to listen/watch the show whenever possible and use the transcript for your own general, personal information. Any reproduction of show content (visual, audio or written) is strictly forbidden.

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