Delaware Dental Hygiene — Requirements & Free Practice
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Dental Hygienist License
Delaware licence to practice dental hygiene, issued by the State Board of Dentistry and Dental Hygiene under 24 Del.C. Chapter 11.
Licensing authority: Delaware Board of Dentistry and Dental Hygiene · Application information
Licensure by examination
All of the following:
- Delaware Practical Board Examination in Dental Hygiene (assessment without a question bank)
- National Board Dental Hygiene Examination
- Delaware Jurisprudence Examination for Dental Hygienist Candidates
- Application Documents
- Letter of reference attesting to good moral character and reputation, and licensure verification from every jurisdiction in which a licence is or was held (Board Dental Hygienist License page).
- Cpr
- Proof of current cardiopulmonary resuscitation (CPR) certification (24 Del.C. §1122(c)(1)).
- Education
- Graduated from high school or received a GED, and graduated from a CODA-accredited dental hygiene college or university program of at least 2 academic years, or before 1953 from a Board-approved dental hygiene program of at least 1 year (24 Del.C. §1122(b)).
- General Fitness
- Must satisfy 24 Del.C. §1122(c)(2)-(7): no disqualifying administrative penalties, no impairment related to drugs or alcohol, no conviction substantially related to dental hygiene unless waived, no acts that are grounds for discipline, State and FBI criminal background check, and a sworn statement of physical and mental capability.
- Long Lapsed Former Licensee
- A person whose Delaware licence expired more than 5 years ago without active full-time practice elsewhere in the previous 5 years applies as a new applicant and must submit to reexamination or other formal assessment of competency approved by the Board (24 Del.C. §1126(d)).
- Practical Exam Attempt Limit
- An applicant who has failed the practical examination 3 times may not take it again unless the applicant shows mitigating circumstances to the Board's satisfaction (24 Del.C. §1123(a)(3)).
- Practical Exam Eligibility Waiver
- The Board may admit to the practical examination a student in good standing in a CODA-accredited program who will graduate within 60 days of the examination (24 DE Admin. Code 1100, subsection 10.3).
- Practical Exam Recency
- The practical clinical examination must have been passed within 5 years of application for licensure; the Board may waive this for just cause (24 DE Admin. Code 1100, subsection 10.4).
Licensure by reciprocity (licensed in another jurisdiction)
- Academic Currency
- Must have remained academically current, through continuing education or otherwise, as determined by the Board (24 Del.C. §1124(c)).
- Active Practice
- Practiced for at least 3 of the last 5 years in the state in which the applicant is or has been licensed, averaging at least 350 hours of direct patient care per year, evidenced for example by W-2 forms, 1099 forms, tax returns or written verification of hours (24 Del.C. §1124(a)(2)a; 24 DE Admin. Code 1100, subsection 4.6).
- Application Documents
- High school transcript or GED, transcript from a Board-approved dental hygiene program, letter of reference, licensure verifications and a State and FBI criminal background check (Board Dental Hygienist License page).
- Cpr
- Proof of valid cardiopulmonary resuscitation (CPR) certification (24 Del.C. §1124(a)(5)).
- General Fitness
- Must satisfy 24 Del.C. §1122(c)(2)-(7) and maintain the other licence in good standing (24 Del.C. §1124(a)(1)).
- Other Jurisdiction License
- Current dental hygienist licence in good standing in another state, the District of Columbia, or a territory of the United States (24 Del.C. §1124(a)).
Delaware Practical Board Examination in Dental Hygiene
This assessment does not have a question bank.
- Provider
- Delaware Board of Dentistry and Dental Hygiene
- Format
- Patient-based clinical examination: full mouth scaling and root planing with prophylaxis on a candidate-supplied patient, scored by examiners
- Passing score
- Average minimum score of 75% competency
Examination outline
Radiographs
- Type
- Mounting
- Cone Cut
- Film Placement
- Elongation / Foreshortening
- Interproximal Overlapping
- Density / Contrast / Developing & Print Quality
Data Collection
- Patient Health History / Oral Inspection
- Dental Charting and Occlusal Classification
- Periodontal Evaluation
Prophylaxis
- Supragingival Calculus
- Subgingival Calculus
- Stain
- Tissue Condition
Professionalism
- Professional Demeanor
- Patient Management
- Aseptic Techniques
- Oral Hygiene Instruction
Examination sources
- 24 DE Admin. Code 1100 Board of Dentistry and Dental Hygiene
24 DE Admin. Code 1100, subsection 10.5
- Delaware Practical Examination for Dental Hygiene Candidates
Dental Hygiene Criteria, page 4
- Delaware Practical Examination for Dental Hygiene Candidates
Radiographs item 3, page 6
- Delaware Practical Examination for Dental Hygiene Candidates
Data Collection item 3, page 8
- Delaware Practical Examination for Dental Hygiene Candidates
Prophylaxis item 2, page 8
- Delaware Practical Examination for Dental Hygiene Candidates
Professionalism, page 8
- Delaware Practical Examination for Dental Hygiene Candidates
Patient Guidelines, page 6
- Delaware Division of Professional Regulation — Board of Dentistry and Dental Hygiene Examinations
Applying to Sit for the Dental Hygiene Practical Board Examination
- Delaware Division of Professional Regulation — Board of Dentistry and Dental Hygiene Examinations
Applying to Sit for the Dental Hygiene Practical Board Examination, capacity
- 24 DE Admin. Code 1100 Board of Dentistry and Dental Hygiene
24 DE Admin. Code 1100, subsection 10.2
Delaware Jurisprudence Examination for Dental Hygienist Candidates
- Provider
- Delaware Board of Dentistry and Dental Hygiene
- Format
- Open-book multiple-choice and true/false examination completed with a notarized affidavit and mailed to the Board
- Exam questions
- 20
Examination outline
- Delaware Code Title 24, Chapter 11. Dentistry and Dental Hygiene (the Board's License Law)
- 24 DE Admin. Code 1100 Board of Dentistry and Dental Hygiene (the Board's Rules and Regulations)
Examination sources
- Jurisprudence Examination for Dental Hygienist Candidates
Instructions, scope statement, page 1
- Jurisprudence Examination for Dental Hygienist Candidates
Affidavit of Applicant, page 4
- Delaware Code Title 24 Chapter 11 Subchapter II. Dentistry and Dental Hygiene
24 Del.C. §1123(b)(2)c
- Delaware Division of Professional Regulation — Board of Dentistry and Dental Hygiene
Objective and Function, statutory authority
- 24 DE Admin. Code 1100 Board of Dentistry and Dental Hygiene
24 DE Admin. Code 1100, subsection 6.1
- Final Order amending 24 DE Admin. Code 1100 Board of Dentistry and Dental Hygiene (29 DE Reg. 793)
Final Order, I. Summary of the Evidence and Information Submitted
- Delaware Division of Professional Regulation — Board of Dentistry and Dental Hygiene Examinations
Jurisprudence Examination, format
- Jurisprudence Examination for Dental Hygienist Candidates
Instructions item 1, page 1
- Delaware Division of Professional Regulation — Board of Dentistry and Dental Hygiene Examinations
Jurisprudence Examination
- Delaware Division of Professional Regulation — Board of Dentistry and Dental Hygiene Examinations
Jurisprudence Examination, passing
- Delaware Practical Examination for Dental Hygiene Candidates
Jurisprudence Examination, page 9
- Jurisprudence Examination for Dental Hygienist Candidates
Instructions item 2, page 1
- Jurisprudence Examination for Dental Hygienist Candidates
Instructions item 3, page 1
National Board Dental Hygiene Examination
Examination outline
Discipline-Based Component — Scientific Basis for Dental Hygiene Practice (61 items)
- Anatomic Sciences
- Anatomic Sciences — Anatomy
- Anatomic Sciences — Anatomy — Head and neck anatomy
- Anatomic Sciences — Anatomy — Dental anatomy
- Anatomic Sciences — Anatomy — Dental anatomy — General anatomy
- Anatomic Sciences — Anatomy — Dental anatomy — Root anatomy
- Anatomic Sciences — Anatomy — Histology and Embryology
- Anatomic Sciences — Physiology
- Anatomic Sciences — Biochemistry and Nutrition
- Anatomic Sciences — Microbiology and Immunology
- Anatomic Sciences — Pathology
- Anatomic Sciences — Pathology — General
- Anatomic Sciences — Pathology — Oral
- Anatomic Sciences — Pharmacology
Discipline-Based Component — Provision of Clinical Dental Hygiene Services (115 items)
- Assessing Patient Characteristics
- Assessing Patient Characteristics — Medical and dental history
- Assessing Patient Characteristics — Head and neck examination
- Assessing Patient Characteristics — Periodontal evaluation
- Assessing Patient Characteristics — Oral evaluation
- Assessing Patient Characteristics — General
- Obtaining and Interpreting Radiographs
- Obtaining and Interpreting Radiographs — Principles of radiophysics and radiobiology
- Obtaining and Interpreting Radiographs — Principles of radiologic health
- Obtaining and Interpreting Radiographs — Technique
- Obtaining and Interpreting Radiographs — Recognition of normalities and abnormalities
- Obtaining and Interpreting Radiographs — General
- Planning and Managing Dental Hygiene Care
- Planning and Managing Dental Hygiene Care — Infection control (application)
- Planning and Managing Dental Hygiene Care — Recognition of emergency situations and provision of appropriate care
- Planning and Managing Dental Hygiene Care — Individualized patient education
- Planning and Managing Dental Hygiene Care — Individualized patient education — Planning of individualized instruction
- Planning and Managing Dental Hygiene Care — Individualized patient education — Provision of instruction for prevention and management of oral diseases
- Planning and Managing Dental Hygiene Care — Individualized patient education — Provision of instruction for prevention and management of oral diseases — Dental caries
- Planning and Managing Dental Hygiene Care — Individualized patient education — Provision of instruction for prevention and management of oral diseases — Periodontal disease
- Planning and Managing Dental Hygiene Care — Individualized patient education — Provision of instruction for prevention and management of oral diseases — Oral conditions
- Planning and Managing Dental Hygiene Care — Individualized patient education — Anxiety and pain control
- Planning and Managing Dental Hygiene Care — Individualized patient education — Recognition and management of compromised patients
- Planning and Managing Dental Hygiene Care — Individualized patient education — Dental hygiene treatment strategies
- Planning and Managing Dental Hygiene Care — Individualized patient education — Dental hygiene treatment strategies — Diagnosis
- Planning and Managing Dental Hygiene Care — Individualized patient education — Dental hygiene treatment strategies — Treatment plan
- Planning and Managing Dental Hygiene Care — Individualized patient education — Dental hygiene treatment strategies — Case presentation
- Planning and Managing Dental Hygiene Care — Individualized patient education — General
- Performing Periodontal Procedures
- Performing Periodontal Procedures — Etiology and pathogenesis of periodontal diseases
- Performing Periodontal Procedures — Prescribed therapy
- Performing Periodontal Procedures — Prescribed therapy — Periodontal debridement
- Performing Periodontal Procedures — Prescribed therapy — Surgical support services
- Performing Periodontal Procedures — Prescribed therapy — Chemotherapeutic agents
- Performing Periodontal Procedures — Prescribed therapy — General
- Performing Periodontal Procedures — Reassessment and maintenance (e.g., implant care)
- Using Preventive Agents
- Using Preventive Agents — Fluorides - systemic and topical
- Using Preventive Agents — Fluorides - systemic and topical — Mechanisms of action
- Using Preventive Agents — Fluorides - systemic and topical — Toxicology
- Using Preventive Agents — Fluorides - systemic and topical — Methods of administration
- Using Preventive Agents — Fluorides - systemic and topical — Methods of administration — Water fluoridation
- Using Preventive Agents — Fluorides - systemic and topical — Methods of administration — Self-administered
- Using Preventive Agents — Pit and fissure sealants
- Using Preventive Agents — Other preventive agents
- Providing Supportive Treatment Services
- Providing Supportive Treatment Services — Properties and manipulation of materials
- Providing Supportive Treatment Services — Polishing natural and restored teeth
- Providing Supportive Treatment Services — Making of impressions and preparation of study casts
- Providing Supportive Treatment Services — Other supportive services (e.g., tooth desensitization)
- Providing Supportive Treatment Services — General
- Professional Responsibility
- Professional Responsibility — Ethical principles, including informed consent
- Professional Responsibility — Regulatory compliance
- Professional Responsibility — Patient and professional communication
- Professional Responsibility — General
Discipline-Based Component — Community Health/Research Principles (24 items)
- Promoting Health and Preventing Disease Within Groups
- Participating in Community Programs
- Participating in Community Programs — Assessing populations and defining objectives
- Participating in Community Programs — Designing, implementing, and evaluating programs
- Analyzing Scientific Literature, Understanding Statistical Concepts, and Applying Research Results
Case-Based Component (150 items involving 12 to 15 dental hygiene patient cases)
- Cases present information dealing with adult and child patients and may involve geriatric, adult-periodontal, pediatric, special needs, medically compromised, and other patient types; a medically compromised patient is one whose health status may require modification of standard treatment or special consideration.
- Patient information is presented by means of patient histories, dental charts, radiographs, and clinical photographs.
- Assessing patient characteristics
- Obtaining and interpreting radiographs
- Planning and managing dental hygiene care
- Performing periodontal procedures
- Using preventive agents
- Providing supportive treatment service
- Professional responsibility
Examination sources
- JCNDE NBDHE 2026 Candidate Guide
pp. 5-7, NBDHE Test Specifications Prior to Update
- JCNDE NBDHE 2026 Candidate Guide
p. 17, Scoring of Examination
- JCNDE NBDHE 2026 Candidate Guide
p. 24, Application Procedures