Bootcamp.com's INBDE Updates to Mental Dental Videos
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Hey, I'm Joel 👋. I'm a University of Toronto DDS grad, dentist, and longtime test prep educator. I'm here to help you succeed!

Dr. Joel Meyerson
Dr. Joel Meyerson
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Table of Contents
    Key Takeaway

    Dr. Ryan's Mental Dental Videos provide a great overview of high-yield topics you need to know for the INBDE. We want to make sure you have the most up-to-date information, so we have listed a few updates and corrections below that you can use to study for the INBDE.

    Oral Pathology and Oral Radiology

    Oral Pathology

    Lesson: Bone Inflammatory Lesions

    • Time point: 0:50
    • Correction: Slide says with acute osteomyelitis “Tooth is NOT loose, this is caused by periodontitis”. However, tooth mobility does occur due to destruction of bone.

    Lesson: Mucosal Immunologic Diseases

    • Time point: 10:28
    • Correction: Video says that in mucous membrane pemphigoid autoantibodies attack the basement membrane. However, autoantibodies in mucous membrane pemphigoid attack hemidesmosomes.

    Lesson: Hereditary Conditions

    • Time point: 10:32
    • Correction: Dr. Ryan says that dentin dysplasia type II exhibits chevron-shaped pulps. However, it is dentin dysplasia type I that has chevron-shaped pulps due to pulpal obliteration. Dentin dysplasia type II has enlarged pulp chambers that are constricted at the base, resulting in "thistle tube"-shaped pulp chambers.

    Oral Radiology

    Lesson: Film vs. Digital Imaging

    • Time point: 10:44
    • Correction: Film radiographs having higher contrast resolution than digital radiographs only applies to first generation digital radiographs. Current digital imaging has equivalent resolution to film.

    Lesson: X-ray Settings

    • Time point: 12:40
    • Correction: The summary chart with the x-ray settings has an error. Increasing filtration will cause a decrease in density and contrast.

    Pharmacology

    Lesson: Autonomic Nervous System

    • Time point: 18:10
    • Correction: Succinylcholine is an agonist, not antagonist.

    Lesson: Antibiotics

    • Time point: 16:52
    • Correction: Antibiotic recommended for IE prophylaxis for patients allergic to penicillin is azithromycin, not clindamycin - per AHA 2021 update to guidelines.

    Lesson: Antibiotics

    • Time point: 23:19
    • Correction: Mental Dental says -cidal and -static drugs cancel each other out, however AHA recommendations state that amoxicillin (bactericidal) and azithryomycin (bacteriostatic) can be used together - this is used in clinical practice.

    Lesson: Cardiovascular Pharmacology

    • Time point: 15:57
    • Correction: In addition to atrial fibrillation and supraventricular tachyarrhythmias, class 1a anti-arrhythmic drugs are also used to treat ventricular arrhythmias.

    Medicine

    Oral Medicine

    Lesson: Hypertension

    Lesson: Hypertension

    • Time point: 8:00
    • Correction: Video states that when the blood pressure cuff is rolled out that the length should be 80% of the patient's arm circumference and 40% of the width. The "cuff bladder" should be these sizes, not the entire cuff.

    Lesson: ASA Classification

    • Time point: 4:13 
    • Correction: Video states that ASA III including stroke >3 months generally okay for elective care, literature suggests 6 month postponement of elective care for patients who have had a stroke.

    Lesson: Steroids & Adrenal Insufficiency

    • Time point: 11:17
    • Correction: Video says to avoid benzodiazepines in patients with Addison's disease due to an interference with corticosteroid metabolism. However, the literature does not show enough evidence for this claim to be clinically significant.

    Lesson: Substance Abuse

    • Time point: 14:00
    • Correction: Dr. Ryan uses clonidine as an example of a beta-blocker. However, clonidine is a centrally-acting alpha agonist, not a beta blocker.

    Fields of Dentistry

    Operative Dentistry

    Lesson: Instrumentation

    • Time point: 12:18
    • Correction: In the video, Dr. Ryan draws an angle and points out that it is 50 degrees or about 14% of 360, but the angle pointed out (purple) should be the supplemental angle (second photo in red).

    Cutting Instrument Formula
    Instrumentation Angle


    Lesson: Amalgam

    • Time point: 2:33
    • Correction: Video states that gamma-1 is strongest with least corrosion, but gamma is strongest with least corrosion. Gamma1 is second strongest and next corrosion resistant.

    Lesson: Composite Resin and Glass Ionomer

    • Time point: 22:13
    • Correction: Video states that benzoyl peroxide is the initiator in the base paste of self-curing composites. However, benzoyl peroxide is the initiator in the catalyst part of self-curing composites.

    Endodontics

    Lesson: Root canal treatment

    • Time point: 11:44
    • Correction: Slide says that D1 = diameter at tip (of an endo file). However, D0 is the diameter of the tip of an endo file. The remainder of the calculations on the slide are correct.

    Lesson: Traumatic Injuries

    • Time point: 6:10
    • Correction: Splinting guidelines are inconsistent with International Association of Dental Traumatology (IADT).
    Splinting Time Guidelines

    Lesson: Adjunctive Endodontic Treatment

    • Time point: 1:31
    • Correction: The chemical formula for calcium hydroxide is Ca(OH)2, not CaOH2.

    Lesson: Practice Questions

    • Time point: 1:30
    • Correction: Dr. Ryan states that percussion is the most reliable test for pulpal diagnosis. This is incorrect; cold testing is the most reliable for pulpal diagnosis.

    Periodontics

    Lesson: Prevention & Maintenance

    • Time point: 5:04 
    • Correction: Video says males of African American descent have the highest prevalence of periodontitis, but as of 2/5/21 the CDC says that severe gum disease is most common among adults aged 65 or older, Mexican American and non-Hispanic Black American adults, and people who smoke. Read more here: https://www.cdc.gov/oralhealth/oral_health_disparities/index.htm 

    Oral Surgery

    Lesson: Implant Bone Quality

    • Time point: 23:41
    • Correction: Type II bone is more successful than Type I bone for implant osseointegration.
    • FAQ: "I learned some other bone type was best for placing implants. What should I use for the INBDE?"
    • Unfortunately there isn't a 100% consensus answer, different schools and different clinicians will state different types of bone based on what they have been taught. That said, Bootcamp did a full literature review on this, and the current evidence (and most schools) suggest that type II bone presents with the highest success. See the following articles for more information:
    • [1] Meta-analysis of 94 studies published in 2017 Int. Journal of Prosth suggests Type II has the best success. The study yields Type 2 > 3 > 1 > 4 in terms of success.
    • [2] Retrospective study indicating Type II bone has the lowest odds ratio of implant failure
    • [3] Study indicating highest osseointegration rate seen in posterior mandible (an area characterized by Type II bone)

    Lesson: Impaction & Extraction Facts

    • Time point: 7:19
    • Correction: Discrepancy in sequence of most commonly congenitally missing teeth. The correct order is as follows:
      third molars > mandibular second premolars > maxillary laterals > maxillary second premolars

    Orthodontics

    Lesson: Growth & Development

    • Time point: 24:30
    • Correction: Video says the mandible fuses at 4 months in utero, but research supports that the mandibular symphysis fuses by 7-8 months of age, with a range of 6-9 months of age.

    Lesson: Diagnosis and Treatment Planning

    • Time point: 39:40
    • Correction: Video lists that the mandibular plane extends from the gonion (Go) to the gnathion (Gn). However, it can also be defined as extending from the gonion (Go) to the menton (Me) and this occurs more commonly. You will not see both of these as answer choices on the exam within the same question.

    Pediatrics

    Lesson: Developmental Disturbances

    • Time point: 1:37
    • Correction: Discrepancy in sequence of most commonly congenitally missing teeth. The correct order is as follows:
      third molars > mandibular second premolars > maxillary laterals > maxillary second premolars

    Lesson: Space Management

    • Time point: 24:15
    • Correction: Primary mandibular 1st molars (D) are more commonly ankylosed than primary mandibular 2nd molars (E).

    Lesson: Developmental Disturbances

    • Time point: 22:00
    • Correction: Dentin dysplasia type I exhibits obliterated pulps and appears radiographically as "chevron-shaped" pulps. Dentin dysplasia type II exhibits enlarged pulp chambers and appears radiographically as "thistle tube-shaped" pulps.

    Lesson: Dental Trauma in Children

    • Time point: 10:01
    • Correction: Video has information on prognosis of replanted avulsed primary teeth. However, avulsed primary teeth are typically not replanted because it can render them susceptible to trauma again or can cause damage to the permanent successor.

    Lesson: Child Behavior

    • Time point: 26:50
    • Correction: The American Academy of Pediatric Dentistry (AAPD) and the American Dental Association (ADA) recommend that children under the age of 3 use an amount of toothpaste the size of a smear of a grain of rice and a pea-size amount for those 3 to 6.

    Prosthodontics

    Lesson: General Considerations

    • Time point: 24:58
    • Correction: Screw-retained implants have a propensity to loosen more than a cement-retained implant.
    Screw-Retained Implant
    Cement-Retained Implant

    Lesson: Metal Alloys

    • Time point: 2:47
    • Correction: Class V restorations are not the only type of direct restoration that type I gold alloys can be used for, but type I gold can also be used for indirect restorations (mostly inlays).
    Gold Alloys
    Type I Gold

    Patient Management, Ethics, and Behavior

    Patient Management

    Lesson: Materials & Equipment Safety

    • Time point: 4:00
    • Correction: Video says “Not recommended to flush lines at beginning of clinic because makes no difference”. However, the FDA says to flush them at night and when units are out of service, then after each patient. It doesn't say anything about the beginning of clinic or morning. The CDC says to flush waterlines in the morning and after each patient.

    Lesson: Infection Control

    • Time point: 16:00
    • Correction: Video says pressure sterilization/autoclaving should be at 121°C at 15psi for 20 min per the FDA. However, the CDC governs this guideline and states that "recognized minimum exposure periods for sterilization of wrapped healthcare supplies are 30 minutes at 121°C (250°F) in a gravity displacement sterilizer."

    Lesson: Infection Control

    • Time point: 16:23
    • Correction: The Center for Disease Control and Prevention (CDC) is the agency that governs the standards for disinfection and sterilization guidelines, including standard temperatures for autoclaving.
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