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HOSA STUDY QUESTIONS DENTAL TERMINOLOGY 2025 250 QUESTIONS WITH CORRECT ANSWERS, Quizzes of Dentistry

"The opening within the alveolar bone that houses the roots of the teeth - CORRECT ANSWER=> Alveolar socket" "Enamel-forming cells - CORRECT ANSWER=> Ameloblasts" "The portion of the tooth that is covered with enamel - CORRECT ANSWER=> Anatomical crown" "Peaked tip at the end of each root - CORRECT ANSWER=> Apex" "Opening in the apex of each root - CORRECT ANSWER=> Apical foramen" "Cementum-forming cells - CORRECT ANSWER=> Cementoblasts" "The portion of the crown that is visible in the oral cavity - CORRECT ANSWER=> Clinical crown" "Growth of the oral epithelium that will eventually form teeth - CORRECT ANSWER=> Dental lamina" "Tissue from the mesoderm layer that will form the dentin and the pulp - CORRECT ANSWER=> Dental papilla" "Capsule that contains the developing tooth; it will also form the cementum, periodontal ligament, and some alveolar bone - CORRECT ANSWER=> Dental sac"

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HOSA STUDY QUESTIONS DENTAL
TERMINOLOGY 2025 250 QUESTIONS WITH
CORRECT ANSWERS PERFECT EXAM GUIDE
"The opening within the alveolar bone that houses the roots of the teeth - CORRECT ANSWER=> Alveolar
socket"
"Enamel-forming cells - CORRECT ANSWER=> Ameloblasts"
"The portion of the tooth that is covered with enamel - CORRECT ANSWER=> Anatomical crown"
"Peaked tip at the end of each root - CORRECT ANSWER=> Apex"
"Opening in the apex of each root - CORRECT ANSWER=> Apical foramen"
"Cementum-forming cells - CORRECT ANSWER=> Cementoblasts"
"The portion of the crown that is visible in the oral cavity - CORRECT ANSWER=> Clinical crown"
"Growth of the oral epithelium that will eventually form teeth - CORRECT ANSWER=> Dental lamina"
"Tissue from the mesoderm layer that will form the dentin and the pulp - CORRECT ANSWER=> Dental
papilla"
"Capsule that contains the developing tooth; it will also form the cementum, periodontal ligament, and
some alveolar bone - CORRECT ANSWER=> Dental sac"
"Tissue that makes up the bulk of the tooth; it is covered by the cementum on the root and enamel on
the crown - CORRECT ANSWER=> Dentin"
"Microscopic canals running through the dentin - CORRECT ANSWER=> Dentinal tubules"
"The study of how a human being develops through 2 stages before birth - CORRECT ANSWER=>
Embryology"
"Tissue arising from the ectoderm layer that will from the enamel - CORRECT ANSWER=> Enamel organ"
"The study of the composition and function of tissues - CORRECT ANSWER=> Histology"
"Compact bone that lines the socket of the alveolar process - CORRECT ANSWER=> Lamina dura"
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HOSA STUDY QUESTIONS DENTAL

TERMINOLOGY 2025 250 QUESTIONS WITH

CORRECT ANSWERS PERFECT EXAM GUIDE

"The opening within the alveolar bone that houses the roots of the teeth - CORRECT ANSWER=> Alveolar socket" "Enamel-forming cells - CORRECT ANSWER=> Ameloblasts" "The portion of the tooth that is covered with enamel - CORRECT ANSWER=> Anatomical crown" "Peaked tip at the end of each root - CORRECT ANSWER=> Apex" "Opening in the apex of each root - CORRECT ANSWER=> Apical foramen" "Cementum-forming cells - CORRECT ANSWER=> Cementoblasts" "The portion of the crown that is visible in the oral cavity - CORRECT ANSWER=> Clinical crown" "Growth of the oral epithelium that will eventually form teeth - CORRECT ANSWER=> Dental lamina" "Tissue from the mesoderm layer that will form the dentin and the pulp - CORRECT ANSWER=> Dental papilla" "Capsule that contains the developing tooth; it will also form the cementum, periodontal ligament, and some alveolar bone - CORRECT ANSWER=> Dental sac" "Tissue that makes up the bulk of the tooth; it is covered by the cementum on the root and enamel on the crown - CORRECT ANSWER=> Dentin" "Microscopic canals running through the dentin - CORRECT ANSWER=> Dentinal tubules" "The study of how a human being develops through 2 stages before birth - CORRECT ANSWER=> Embryology" "Tissue arising from the ectoderm layer that will from the enamel - CORRECT ANSWER=> Enamel organ" "The study of the composition and function of tissues - CORRECT ANSWER=> Histology" "Compact bone that lines the socket of the alveolar process - CORRECT ANSWER=> Lamina dura"

"A thin delicate tissue that covers the inside of the cheeks, vestibule, soft palate, undersurface of the tongue and floor of the mouth - CORRECT ANSWER=> Lining mucosa" "A dense, thick mucosa that is designed to withstand the trauma of chewing; it covers the hard palate, tongue, and gum tissue - CORRECT ANSWER=> Masticatory mucosa" "Dentin-forming cells - CORRECT ANSWER=> Odontoblasts" "Tissues that surround and support the teeth - CORRECT ANSWER=> Periodontium" "Dentin formed prior to tooth eruption - CORRECT ANSWER=> Primary dentin" "Tissue composed of blood and nymph vessels, nerve and connective tissues, and odontoblasts - CORRECT ANSWER=> Pulp" "Dentin formed after the tooth eruption that remains for life of the tooth - CORRECT ANSWER=> Secondary dentin" "A primitive mouth - CORRECT ANSWER=> Stomodeum" "The permanent teeth that replace the primary teeth - CORRECT ANSWER=> Succedaneous teeth" "A reparative dentin that forms in response to injury or irritation - CORRECT ANSWER=> Tertiary dentin" "The first stage in embryonic development - CORRECT ANSWER=> Zygote" "Dental enamel hypoplacia, incomplete formation of dental enamel caused by vitamin deficiency, infectious disease, birth injury, trauma, or local infection - CORRECT ANSWER=> Amelogenesis imperfecta" "A complete lack of tooth development; disorder that appears at birth - CORRECT ANSWER=> Anodontia" "Irregularity of tooth resembling a fold in the enamel in early stage development, typically found on upper lateral incisors - CORRECT ANSWER=> Dens in dente" "A hereditary disorder of dentin formation - CORRECT ANSWER=> Dentin dysplacia" "A condition of tooth development in which dentin shows discoloration of the teeth (grays - browns); teeth are soft and wear down quickly - CORRECT ANSWER=> Dentinogenesis imperfecta" "Occurs from overexposure to flouride in tooth development, causing yellowing of teeth, white spots, and pitting/mottling of enamel - CORRECT ANSWER=> Fluorosis"

"Found in pits and fissures of occlusal surfaces of premolars and molars; buccal or lingual pits of the molars; lingual pit neal the cinulum of the maxilliary incisors (Cavities) - CORRECT ANSWER=> Class I Cavity" "Found on the proximal (mesial and distal) surfaces of premolars and molars (Cavities) - CORRECT ANSWER=> Class II Cavity" “Which instrument is used to clamp off the blood supply in an artery vein? a. needle holder b. curette c. retractor d. hemostat - CORRECT ANSWER=> Hemostat" "Ankyloglossia is an immobility or fixation of which tissue? a. uvula b. tongue c. tooth d. cheek - CORRECT ANSWER=> Tongue" "Which instrument is used to nip or cut off bony tissue ridges? a. rongeurs b. scissors c. forceps d. hemostats - CORRECT ANSWER=> Rongeurs" "A biopsy technique taking some normal tissue and the entire removal of the lesion is: a. excision b. general c. incision d. exfoliation - CORRECT ANSWER=> Excision" "The building up of an underdeveloped or missing mandibular area is a/an: a. excision graft b. ridge augmentation c. reduction d. osteotomy - CORRECT ANSWER=> Ridge augmentation" "A blepharoplasty is a surgical correction of which body part? a. lip b. eyelid c. chin d. brow - CORRECT ANSWER=> Eyelid"

"A surgical hammer is a/an: a. retractor b. mallet c. chisel d. periosteal - CORRECT ANSWER=> Mallet" "The surgical contouring of the gingival tissue is termed: a. gingivoplasty b. osteoplasty c. gingivectomy d. osteoectomy - CORRECT ANSWER=> Gingivoplasty" "A surgical correction of a previously operated area is termed a/an: - CORRECT ANSWER=> Revision" "An impaction of a tilted third molar with crown perpendicular to an adjacent tooth is which type of impaction? a. tranverse b. distoangular c. vertical d. horizontal - CORRECT ANSWER=> Horizontal" "The infection of a tooth socket following an extraction may result in condition called: a. alveolectomy b. alveolitis c. apicoectomy d. apicalalgia - CORRECT ANSWER=> alveolitis" "A surgical overlay pattern used to prepare for immediate dentures is called a /an: a. template b. implant c. mouth prop d. pattern - CORRECT ANSWER=> Template" "A torus of the mandibular bone may be termed: a. torus palatinus b. torus lingualis c. torus manibularis d. ranula - CORRECT ANSWER=> Torus Mandibularis" "In the Wilkes classification of TMJ internal derangement, variable pain, crepitus, and limited motion is considered which stage? a. Stage II b. Stage III c. Stage IV

"Ankyloglossia prefix___________ root/combining form_____________ suffix_____________ - CORRECT ANSWER=> prefix: Ankylo- (fused/growing together) root/combining form: N/A suffix: -glossia (tongue)" "Endosteal prefix___________ root/combining form_____________ suffix_____________ - CORRECT ANSWER=> prefix: endo- (within) root/combining form: N/A suffix: steal" "Apicoectomy prefix___________ root/combining form_____________ suffix_____________ - CORRECT ANSWER=> prefix: root/combining form: suffix:" Toward midline - CORRECT ANSWER=> Medial" "Away from midline - CORRECT ANSWER=> Distal" "Towards lips - CORRECT ANSWER=> Labial" "Towards cheek - CORRECT ANSWER=> Buccal" "Towards roof of mouth - CORRECT ANSWER=> Palatal" "Ridge of molars - CORRECT ANSWER=> Occlusal" "Ridge of incisors - CORRECT ANSWER=> Incisal" "The top jaw - CORRECT ANSWER=> Maxillary arch" "The bottom jaw - CORRECT ANSWER=> Mandibular arch" "Rounded borders of enamel that form the mesial and distal margins of the occlusal surfaces of posterior teeth and the mesial and distal margins of the lingual surfaces of the anterior teeth - CORRECT ANSWER=> Marginal Ridges"

"A ridge that descends from the tips of the cusps of molars and premolars towards the center part of the occlusal surface - CORRECT ANSWER=> Triangular Ridge" "Formed by the union of buccal and lingual triangular ridges - CORRECT ANSWER=> Transverse Ridge" "A ridge obliquely crossing the occlusal surfaces of maxillary molars - CORRECT ANSWER=> Oblique Ridge" "A dentist who specializes in the diagnoses and treatment of dental pulp diseases - CORRECT ANSWER=> Endodontist" "A dentist who specializes in the treatment of the entire facial structure due to injury or disease - CORRECT ANSWER=> Oral and Maxillofacial surgeon" "A dentist who specializes in examining tissue samples to provide proper diagnosis and treatment of biopsy results - CORRECT ANSWER=> Oral pathologist" "A dentist who corects malocclusions by realignment of the teeth and/or joints - CORRECT ANSWER=> Orthodontist" "A dentist who specializes in the treatment of the surrounding structures that support the teeth due to injury or disease - CORRECT ANSWER=> Periodontist" "A dentist who specializes in the fabrication of prosthetic dental devices for tooth replacement - CORRECT ANSWER=> Prosthodontist" "Provides dental health care on county, state, and national levels by providing education and demonstration of proper oral hygiene instruction to elementary schools, high schools, businesses and the general population - CORRECT ANSWER=> Public Health Dental Official" "Withdrawing care from a patient without reasonable notice or without providing a referral for completion of dental treatment - CORRECT ANSWER=> Abandonment" "Non criminal legal action that a patient may pursue against a dentist that may result in a compensation lawsuit for pain, suffering, and loss of wages resulting from dental treatment or dentist's action - CORRECT ANSWER=> Civil Law" "Involves a state of govt. action against indivs. who perform nonlegal procedures or violate laws. Such lawsuits can result in disciplinary action, fines, and/or imprisonment - CORRECT ANSWER=> Criminal Law" "The governing laws in the science of dentistry - CORRECT ANSWER=> Dental Jurisprudence"

"Intentional or unintentional act that causes harm - CORRECT ANSWER=> Tort" "A written doc signed by the patient that provides consent to receive treatment - CORRECT ANSWER=> Written consent" "Forehead - CORRECT ANSWER=> Frontal" "Top back of head - CORRECT ANSWER=> Parietal" "Side of head by eyes - CORRECT ANSWER=> Temporal" "Bottom back of head - CORRECT ANSWER=> Occipital" "Ear Area - CORRECT ANSWER=> Mastoid" "Face - CORRECT ANSWER=> Facial" "Mouth - CORRECT ANSWER=> Oral" "Nose - CORRECT ANSWER=> Nasal" "Eyes - CORRECT ANSWER=> Orbital" "Chin - CORRECT ANSWER=> Mental" "Cheekbone - CORRECT ANSWER=> Zygomatic" "Cheek - CORRECT ANSWER=> Buccal" "The part of the mandible and the maxilla that contain tooth sockets - CORRECT ANSWER=> Alveolar process" "to join together - CORRECT ANSWER=> Articulate" "Grinding of teeth - CORRECT ANSWER=> Bruxism" "Bone that is more spongy or porous than dense bone - CORRECT ANSWER=> Cancellous bone" "A crackling/grinding sound - CORRECT ANSWER=> Crepitus" "Openings in bone allowing for passage of nerve and blood vessels - CORRECT ANSWER=> Foramina" "A shallow depression within the temporal bone - CORRECT ANSWER=> Glenoid fossa"

"The movable end of a muscle - CORRECT ANSWER=> Insertion" "The bone of the lower jaw - CORRECT ANSWER=> Mandible" "The principle muscle of mastication that closes the mouth - CORRECT ANSWER=> Masseter" "The act of chewing - CORRECT ANSWER=> Mastication" "Two bones that form the upper jaw - CORRECT ANSWER=> Maxilla" "A rounded prominence of bone located posterior to the maxillary molars - CORRECT ANSWER=> Maxillary Tuberosity" "Muscle of the chin that protrudes the lower lip and wrinkles the skin - CORRECT ANSWER=> Mentalis" "The fixed attachment of a muscle - CORRECT ANSWER=> Origin" "A stone in the salivary duct - CORRECT ANSWER=> Sialolith" "An immovable line of union between two bones - CORRECT ANSWER=> Suture" "The encapsulated synovial joint between the temporal bone of the skull and the condyle of the mandible - CORRECT ANSWER=> Temporomandibular joint" "Dryness of the mouth caused by an abnormal reduction in salivary secretion - CORRECT ANSWER=> Xerostomia" "Pertaining to the cheekbone - CORRECT ANSWER=> Zygomatic" "Winged flare of a nostil - CORRECT ANSWER=> Ala" "The corners of the mouth - CORRECT ANSWER=> Commissures" "A long fold of tissue along the buccal mucosa next to where the teeth come together - CORRECT ANSWER=> Linea Alba" "The roof of the mouth - CORRECT ANSWER=> Palate" "The passage for your air and food - CORRECT ANSWER=> Pharynx" "A vertical groove between the nose and the upper lip - CORRECT ANSWER=> Philtrum" "The prominence of fleshy tissue anterior to the ear opening - CORRECT ANSWER=> Tragus"

"Constructed prosthetic device designed to close an opening in the palate - CORRECT ANSWER=> Obturator" "Malignant neoplasm beginning in supportive and connective tissue such as bones - CORRECT ANSWER=> Sarcoma" "Malignant lesion that travels into surrounding tissues or into the lymph nodes of the body - CORRECT ANSWER=> Squamous cell carcinoma" "Oral maxillary, mandibular, palatal bone growths projecting outward from the surface - CORRECT ANSWER=> Tori" "Immunity that is artificially acquired from immunizations, sometimes called adaptive immunity - CORRECT ANSWER=> Active immunity" "Organisms transferred through blood or bodily fluid that cause infectious disease - CORRECT ANSWER=> Bloodborne pathogens" "A disease that occurs from splash or splatter to the mucosa or non intact skin - CORRECT ANSWER=> Droplet transmission" "The use of a device that occurs from splash or splatter to the mucosa or non intact pathogens - CORRECT ANSWER=> Engineering control" "The general protection that humans are born with, natural immunity - CORRECT ANSWER=> Innate immunity" "An ongoing infection with recurrent symptoms - CORRECT ANSWER=> Latent infection" "An infection that is normally caused by a nonpathogenic organism in people with weakened immune systems - CORRECT ANSWER=> Opportunistic infection" "Items that have been in contact with fluids and tissues designated by the centers for disease control and prevention as possibly capable of spreading disease - CORRECT ANSWER=> OPIM (Other Potentially Infectious Materials)" "Immunity from an outside source that lasts for a short time - CORRECT ANSWER=> Passive immunity" "Protective clothing, masks, gloves, and eyewear used to protect health care workers from exposure to bloodborne and airborne pathogens - CORRECT ANSWER=> PPE (Personal Protective Equiptment)" "A standard of care that protect health care workers from pathogens that are spread by blood and other potentially infectious material - CORRECT ANSWER=> Standard precautions"

"Precautions used to protect patients and health care workers from coming into contact with contaminated bodily fluids - CORRECT ANSWER=> Universal Precautions" "A hard deposit on tooth surfaces, in the presence of plaque; formed by calcium and phosphate salts from saliva, also called tartar - CORRECT ANSWER=> Calculus" "The presense of abnormally large amounts of fluid in the tissue (swelling - CORRECT ANSWER=> Edema" "Redness of the tissues, often due to inflammation - CORRECT ANSWER=> Erythema" "Inflammation of gingivitis - CORRECT ANSWER=> Gingivitis" "The region of a multirooted tooth at which the roots divide - CORRECT ANSWER=> Furcation" "Inflammatory disease of the gingival tissues that involves loss of supporting bone - CORRECT ANSWER=> Periodontitis" "Soft and bony supporting structure of tissues that surrounds the teeth - CORRECT ANSWER=> Periodontium" "Sticky, tooth-colored film on teeth that is formed by and habors bacteria and their by-products - CORRECT ANSWER=> Plaque" "Referring to the area below the gingival margin - CORRECT ANSWER=> Subgingival" "Space between the tooth and the free gingiva - CORRECT ANSWER=> Sulcus" "The formation of pus, often in the gingival sulcus; related to inflammation - CORRECT ANSWER=> Suppuration" "Referring to the area above the gingival margin - CORRECT ANSWER=> Supragingival" "A natural tooth or implant used to support or anchor a fixed or removable dental prothesis - CORRECT ANSWER=> Abutment" "Metal post created by laboratory to be placed into an endodontically treated tooth to improve retention of a cast restoration - CORRECT ANSWER=> Cast post" "The restorative material material that re-creates the lost tooth structure of the anatomical crown; part of the cast post that extends into the anatomical crown - CORRECT ANSWER=> Core buildup" "A restoration covering or replacing a major part of or the entire clinical crown of a tooth - CORRECT ANSWER=> Crown"

"without teeth - CORRECT ANSWER=> Edentulous" "Metal skeleton of a removable partial to which remaining units are attached - CORRECT ANSWER=> Framework" "Chewing surface of the posterior teeth located on the molars and bicuspids - CORRECT ANSWER=> Occlusal" "Denture base that rests on the endodontically retained prepared teeth or on an implant instead of the tissue and bone - CORRECT ANSWER=> Overdenture" "Dental prosthesis that replaces one or more missing teeth in an arch or arches where at least one natural tooth remains - CORRECT ANSWER=> Partial denture" "Process to improve the internal fit of the dental prosthesis (full/partial/overdenture) by resurfacing the tissue side of the prosthesis - CORRECT ANSWER=> Reline" "Element of a removable partial denture that makes contact with a tooth to provide vertical and horizontal support - CORRECT ANSWER=> Rests" "The socket of a tooth - CORRECT ANSWER=> Alveolus" "Independent functioning - CORRECT ANSWER=> Autonomy" "A tooth forcibly separated from its socket - CORRECT ANSWER=> Avulsed tooth" "The portion of the tooth that can be seen clinically - CORRECT ANSWER=> Coronal" "The removal of calcium salts from bone or teeth - CORRECT ANSWER=> Decalcification" "The process of shedding the primary set of teeth - CORRECT ANSWER=> Exfoliate" "An inhaled flammable anesthetic and analgesic gas - CORRECT ANSWER=> Nitrous gas" "Tooth in which the pulp tissue is diseased or death - CORRECT ANSWER=> Nonvital tooth" "A room arrangement in which the dental chairs placed in one large room with no structural walls between the chairs - CORRECT ANSWER=> Open bay" "A restraint used for the safety of children - CORRECT ANSWER=> Papoose board" "Complete removal of all pulp tissues - CORRECT ANSWER=> Pulpectomy" "Removal of pulp tissue in the crown portion only - CORRECT ANSWER=> Pulpotomy"

"Appliance placed in the dental arch to prevent adjacent teeth from moving into space left by a missing tooth - CORRECT ANSWER=> Space maintainers" "A retainer free matrix made of brass; commonly used on primary teeth - CORRECT ANSWER=> T-bands" "Tooth forcibly driven into the alveolus with only a part of the crown visible - CORRECT ANSWER=> Traumatic intrusion" "Alive or healthy pulp - CORRECT ANSWER=> Vital tooth"