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MOD300
Final
| Question | Answer |
|---|---|
| Why can't varnish be used on Composite? | Cavity varnish is not compatible with resin composite materials because it retards the setting reaction and has a detrimental effect on the bonding properties. |
| What is a matrix band used for? | compensate for missing walls and thus provide containment of the filling material |
| What is a DEA number? | a number supplied to a doctor by the DEA in order to write prescriptions for controlled substances |
| What is a class 1? | 1.cavities in pits/fissures of occlusal surfaces (molars/premolars) 2.facial/lingual surfaces of molars 3. lingual surfaces of maxillary incisors Can clinically be seen |
| What is a class 2? | cavity on proximal surfaces of premolars and molars Cannot be clinically seen |
| What is a class 3? | cavity on proximal surfaces of incisors and canines that DON'T involve the incisal angle (Surface of ANTERIOR that you CANNOT clinically see |
| What is a class 4? | cavity on proximal surfaces of incisors/canines that INVOLVE the incisal angle. (like a larger version of class 3 covers the incisal angle) |
| What is a class 5? | Cavity on the cervical third of the facial or lingual surfacs of any tooth (neck of tooth/gingival) |
| What is a class 6? | cavity on the incisal edges of anterior teeth and on the cusp tips of posterior teeth |
| What kind of acid is acid etch? | phosphoric acid |
| What is tetracycline? | an antibiotic for infections which works by stopping the growth of bacteria |
| What is included in the subscription part of an Rx? | current date, name, address, weight and age of the patient |
| How can we tell we have a high spot? | by using articulating paper |
| What do we do with the leftover amalgam? | we recycle it in a plastic container as hazardous waste |
| What does esthetic mean? | pleasing to the eye |
| What can you use to isolate a tooth? | cotton rolls, rubber dam, matrix band with toffelmiere |
| What type of elements does amalgam have? | mercury, silver, tin and copper |
| Composite materials contain inorganic filler? | fine glass, quartz or silica with a coupling agent |
| p.r.n | as needed |
| a.c | before meals |
| p.c. | after meals |
| b.i.d. | two times a day |
| t.i.d. | three times a day |
| q.i.d | four times a day |
| H | hour |
| Q4H | every four hours |
| h.s. | bedtime |
| Rx | take/thou |
| stat | immediately |
| P.O. | by mouth |
| oh | every hour |
| od | every day |
| om | every morning |
| What material is applied in thin layers onto the deepest part of the cavity preparation where it may stimulate the formation of new dentin? | Calcium hydroxide liner |
| What material is mixed on a glass slab until a firm putty is formed, the compressed into the cavity preparation to protect the pulp from thermal insult? | Zinc phosphate base. |
| What material is used to replace missing dentin, adheres to tooth structure, and release fluoride? | Glass ionomer base. |
| Base | 1. Replaces bulk of dentin lost to dental caries 2. Placed thick enough to provide thermal insulation |
| Liner: | 1. Can be used beneath both amalgam and composite resin 2. May stimulate odontoblasts to produce reparative dentin 3. May contain fluoride that is released into dentin |
| Varnish: | 1. Seals dentin when applied in two layers 2. Never used beneath composite resin |
| Name temporary materials | Dycal, EBA, Temp-Bond, ZOE (IRM), |
| Name permanent materials | Polycarbonate, Zinc Phosphate (ZNP), Glass Ionomer |
| an advantage of glass ionomer is | is contains flouride crystals |
| Materials that interfere with the bonding and setting reaction of composite resins | CaOH, ZOE, Varnish |
| What does varnish do? | seals dentinal tubules, reduce leakage around restoration, barrier against high acidic cement |
| A protective base protects which part of the tooth? | pulp |
| Which cement is exothermic | ZNP |
| What cement is mixed on a glass slab | ZNP |
| Who can place a class 2 provisional restoration? | RDA |
| What material is placed on walls and floor in two coats 30 seconds apart? | Varnish |
| How to protect tooth from exothermic heart qualities of ZNP? | mix over wide area, mix on cool glass slab, mix slowly adding a little powder at a time. |
| paste/paste system from temporary crowns | Zone/Temp- Bond |
| which material has the highest acidic content and is irritating to the pulp? | Zinc Phosphate |
| How should cements for a provisional restoration be mixed? | to a thick consistency |
| What material would be used as an insulating base? | ZOE |
| Who can place a sealant | RDA direct supervision |
| Where will a base be placed on the prep | the deepest part of the prep |
| to place an insulating base an RDA can use | ZOE |
| Why is an insulating base placed on the tooth? | To protect the pulp from thermal shock |
| The________is a very thin film of debris on newly prepared dentin | Smear layer |
| Desiccate | Remove all moisture from an item |
| Retard | To slow down the process of something |
| average biting force in the posterior region is about _____ lbs | 150 |
| what is a thin layer of tooth-colored material that is bonded to the surface of a prepared tooth? | a Veneer |
| Flash | excess composite on the tooth |
| Not reflecting light or allowing light to pass through is called: | Opaque |
| 30+ reading on CDD means | Dentinal caries |
| Why is a hole placed at the incisal-proximal crown prior to a class 4 restoration? | allow for the escape of he excess material and prevent bubbles |
| Proper order for composite restoration? | Prepare, isolate, medicate, etch, bond, restore, trim, mark, finish |
| term to describe an object that reflects and allows light to pass through | Translucent |
| Device used for placing a bonding agent on a tooth structure | cotton pellet, small sponge, small sponge |
| purpose of caries detection device? | detect very small lesions at the earliest stage |
| term for a stain that originates from inside the tooth is | Intrinsic |
| what are composite resins used for | Covering stained teeth, anterior restorations, repair of fractured incisors |
| term that means a stain originates from outside the tooth structure | extrinsic |
| spoon like instrument used to remove decay? | excavators |
| what instrument can be used as a combination carver/burnisher | Acorn |
| advantages of composite layering are | little or no tooth prep required, costs less than a crown or porcelain veneer, teeth do not appear overly thick as with crowns and veneers |
| what cement base would NOT be used under resin type restorations? | Zinc Oxide and Eugenol |
| Instruments/materials used to trim and finish composite restorations would include | fine grit diamond burs, sandpaper strips, blacks/gold finishing knives, sandpaper discs |
| advantages of veneers are | Requires very little tooth prep, covers stains and imperfections very well, exterior surface is very smooth |
| Use of hand cutting instruments | in conjunction with rotary instruments, to define the preparation, to provide better detail inside the cavity preparation |
| Name hand cutting instruments | Hatchets, hoes, angle formers, chisels |
| what is the term for loss of minerals from the tooth | demineralization |
| anothr name for tooth decay is | caries |
| thin coating of salivary materials that are deposited on tooth surfaces is a | pellicle |
| soft, sticky, bacterial mass that adheres to the teeth | Plaque |
| A patient with rapid and extensive formation of caries is given a diagnosis of | Rampant caries |
| a plastic strip matrix is: | made of nylon or celluloid, used for composite or glass ionomer restoration, transparent |
| seven steps for amalgam restoration | Prepare, isolate, medicate, restore, carve, check bite, carve (if necessary), finish |
| Undertrituration | increases the setting time of the amalgam and weakens the allow and causes expansion of the amalgam when set |
| Inner nut | increases or decreases the size of the loop to match the diameter of the tooth |
| excess material escaping between the tooth and the matrix band is called the | overhang |
| PSI rates for amalgam restoration during initial set | 30,000 PSI |
| the part of the tofflemire retainer that is used to secure the band ends | Spindle |
| part of the tofflemire that moves the spindle | outer knob |
| PSI rates for an amalgam restoration at the final setting time | 50,000 PSI |
| sources of contamination in amalgam restoration | unclean instruments, handling, patient saliva, blood in the cavity prep |
| overtrituration | decreases the setting time and causes shrinkage after the amalgam is set |
| restorative material that is non metallic, resistant to heat and corrosion and resembles clay | Ceramic |
| for a material to become hardened or set, it is said to be ____ | cured |
| an internal wall of a cavity preparation that runs parallel to the long axis of the tooth | axial wall |
| the internal wall of he cavity prep that is perpendicular to the long axis of the tooth | pulpal wall |
| junction of two walls in a cavity preparation forms a | line angle |
| patent medicines are known as | over the counter drugs |
| part of prescription that includes the name and quantity of the drug is the | inscription |
| a specific factor considered by a physician or dentist in determining the dosage of a drug includes | the time of day of the appointment, whether the patient has eaten recently, the age of the patient |
| the physical and chemical process that occurs within a living cell or organism necessary for the maintenance of life is | metabolism |
| drug has no current accepted medical usefulness high potential for abuse and cant be prescribed is | Schedule 1 drug |
| how many times can a schedule 4 drug be refilled | 5 times in a 6 month period |
| bacterial antibiotics | directly kill an infecting organism |
| prophylactic antibiotics are used in dentistry to | prevent bacterial colonization |
| a beta blocker is prescribed for which condiiton | control blood pressure, slow fast arrhythmia, reduce chest pain associated with angina |
| needs a written prescription signed by dentist or physician | schedule 2 narcotics |
| an alterntive for a penicillin allergy | clindamycin |
| dimethacrylate is referred to as | BIS-GMA |
| process by which the resin material is changed from a pliable state into a hardened restoration | Polymerization |
| what can be used for a Class 5 restoration | glass ionomer |
| material for class 3 and 4 preparations | composite resin |
| mylar strips are used for what class restorations | class 3 |
| what bacteria are responsible for dental caries | mutans streptococci and lactobacilli |
| which bacteria is found in relatively large numbers in dental plaque | streptococcus mutans |
| three factors required for the development of caries are a susceptible tooth, specific bacteria and | fermentable carbohydrates |
| when does deminerilization occur | when calcium and phosphate dissolve from hydroxyapatite in the enamel |
| the ____ protection of saliva is dependent on the water content in the saliva and the amount or flow of saliva | physical |
| a laser caries detector | cannot be used to detect caries under an amalgam restoration |
| what can slow or prevent the caries process | increasing salivary flow |
| caries risk assessment test | saliva flow rate and bacterial testing |
| what is xerostomia | dry mouth |
| what is true about dental caries | it is a communicable bacterial disease |
| what is the first stage of development of a carious lesion | first |
| what does M in cambra stand for | management |
Created by:
maganah17
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