Can A Registered Dental Hygienist Dispense Controlled Drugs?

The diagnosis of caries requires good lighting and dry clean teeth. If heavy deposits of calculus or plaque are nowadays, the oral cavity should exist cleaned earlier attempting accurate diagnosis. Each quadrant of the mouth should be isolated in plough with cotton-wool rolls and dried with air or cotton-wool pledges. Sharp optics are necessary to look for the primeval signs of disease, and vision can be enhanced by the use of magnification. Magnifying loupes can be worn on a head ring or attached to spectacles. Alternatively, special glasses with telescopes fastened can be used, and have the advantage that they can be made to a specific focal length to conform the particular operator. Operative dentistry can only exist made easier by the use of magnification. Traditionally a sharp probe was used to observe caries in enamel either by the rough feel of early cavitation on a smoothen surface, or by the probe tips wedging between the softened sides of a fissure. This was known as a «sticky crack». Even so, a sharp probe can damage an incipient carious lesion, actually causing cavitation in a lesion which might otherwise have been arrested. Farther, by carrying microorganisms into the lesion a probe may facilitate the spread of the carious process. Therefore, a probe should not be used in the diagnosis of enamel caries.

Exercise eight. Give the English equivalents for:

ватный тампон; зонд; кариозное поражение на начальной стадии; участок, место; ось; внутри ротовой полости; держатель рентгеновской пленки; точный, правильный; прикрепляться к: рентгеновский луч.

Exercise 9. Read and translate into Russian the post-obit text.

OPERATIVE AND RESTORATIVE DENTISTRY

Tooth destruction can occur from dental caries (disuse), compunction or abrasion, erosion and fracture. Dental caries, known more unremarkably as tooth disuse, is the most common crusade of tooth destruction. Caries (which literally ways «rotten») results from the demineralization of mineralized tooth structures (that is the loss of minerals or inorganic content from enamel, dentin, and cementum).

Demineralization can exist reversed if plaque is removed frequently enough through adept oral hygiene measures, if sweets in the diet are limited, and minerals (especially calcium in healthy saliva and fluoride) are available for uptake (remineralization) into the porous demineralized tooth. This tug-ofwar between demineralization and remineralization is constant and is the basis for prevention methods that are applied and taught past dental professionals.

Patient education and preventive treatment are important aspects of dental patient care. Prevention and treatment should exist based on personalized risk-based assessment of each patient'south caries history, which includes their history of fluoride employ, their salivary catamenia rate, and the frequency of sugar uptake (especially snacks). Fluoride applied to teeth in advisable concentrations has been shown to reduce dental caries incidence because it increases the tooth'southward resistance to breakdown by caries-forming acids. Therefore, caries prevention includes daily use of fluoride-containing paste and fluoride-containing mouthwashes (either prescription or over-the-counter), as well every bit office applied fluorides that incorporate higher concentrations. Further, when saliva flow is reduced (from damage to salivary glands due to radiation therapy, or as a side event to many medications), the teeth are more susceptible to tooth disuse. Bogus saliva or sugarless chewing mucilage could be used to alleviate this problem. Finally, snacks provide the ingredients that, with certain leaner found in dental plaque, form acids that contribute to demineralization. Therefore, frequent snacking must be concise.

A number of reports take shown a worldwide decrease in the incidence of coronal caries, peculiarly in children and adolescents, ranging from 10 to 60%. However, the number of adults older than 65 is expected to double past 2025, and people are keeping their teeth longer (53% of persons older than 65 still take at least 20 natural teeth). Further, the prevalence of root caries in the elderly is increasing, with ane study reporting 75% of elderly women with clinically detectable root caries. Therefore, the restoration of damaged teeth (from caries and other reasons) will continue to exist a part of practice of general dentistry for some fourth dimension to come.

Operative dentistry is the stage of dentistry involving the fine art and science of the diagnosis, treatment and prognosis of defects in teeth which practise not require restorations that comprehend the unabridged tooth (full coverage).

Restoring conservative tooth defects, such as those resulting from pocket-sized carious lesions unremarkably requires placement of intracoronal restorations whose preparations are cut within the molar and, if located occlusally, are narrower buccolingually than the distance between the cusps.

Restorative dentistry is the stage of clinical dentistry that includes not only the prevention and treatment of defects of private teeth, just also the replacement of teeth that were lost or never formed. Lost teeth can be replaced using a stock-still partial denture (also known as a bridge), a removable partial denture, an implant (surgical insertion or placement of artificial root over which a crown may exist synthetic), or complete dentures (also known equally false teeth). Thus, restorative dentistry involves the restoration of lost tooth structure and/or lost teeth with the ultimate goal of reestablishing a healthy, operation, and comfortable dentition.

Do 10. Notice in the text sentences with modal verbs.

GRAMMAR EXERCISES

Do one. Use modal verbs or their equivalents:

1. The deciduous teeth… . appear at about half-dozen months afterward nascence.

2. Teeth…. . to be kept clean to avoid the development of dental plaque (зубной налет).

three. If a decayed tooth is not treated in time pulpitis... develop.

4. Although the dentist can treat… . dental decay you ….requite your teeth the daily care they need.

five. No dentist ... to terminate a tooth if it is too bad. In this case he ... to extract information technology.

six. When a cavity is nowadays in a tooth the dentist will make up one's mind what ... to exist washed to repair the damage.

7. Adults …. thoroughly brush their teeth at to the lowest degree in one case a day.

viii. Poor oral fissure hygiene leads to infection and the development of tooth decay.

9. The initial lesion of dental caries ... develop in the occlusal fissures.

10. In instance of caries a dentist ... first gain admission to information technology.

11. Caries removal ... start in the area of cavitation.

12. Caries lesions ... occur both on pits and fissures and smooth surfaces.

xiii. Sometimes even a dentist . aid if disease is neglected.

14. The resistance of enamel to dental caries . be increased past awarding of fluoride to the tooth surface.

15. Fluoridation of water . make teeth more than resistant to caries.

Exercise 2. Translate the following sentences into Russian paying attention to the use of Participles.

1. Poor mouth hygiene during pregnancy (беременность) may result in gum infection known as gingivitis.

2. Left unchecked, the plaque continues to irritate gums making them red, swollen and bleeding.

3. A balanced diet providing a sufficient amount of poly peptide, carbohydrates, fats, vitamins, minerals and water is vital for both dental and general health.

4. Foods containing starches may also cause tooth decay.

5. Limiting the number of between-meal snacks you may avert the development of tooth decay.

half dozen. You lot tin can help your children have healthy teeth teaching them proper preventive measures.

seven. Tooth decay, is a pathologic procedure beginning with plaque formation.

8. If plaque is not removed daily the enamel eventually breaks down and decays.

ix. To place a crown the dentist must prepare the tooth reducing information technology in size so that a replacement crown can fit.

10.Unremoved plaque tin irritate gums making them red and painful.

Exercise 3. Put the words in right order:

one. reports / shown / caries / of / a / incidence / worldwide / coronal / a / take / number / decrease / of / the / in

2. trouble / artificial / to / or / gum / this / be / sugarless / used / convalesce / chewing / saliva / could

3. curtailed / must / snacking / be / frequent

4. damaged / the / dentistry / a / restoration / of / general / be / teeth /of / role / practice / should / of

five. appropriate / choice / sometimes / more / restorations / of / may / restoration / a / be / extracoronal

six. welfare / dental / patient / and / restorations / health / enhance / the / tin can / the / of / general

Practise 4. From the text «<The diagnostic procedure»signal out the sentences with modal verbs and infinitives in the Passive form.

Do 5. Interpret the text beneath in written course.

THE DECAY PROCESS

Tooth disuse is an ongoing process that begins with plaque, a soft, transparent, sticky layer of harmful leaner that constantly forms in the mouth. Certain bacteria in plaque employ the carbohydrate and starches in the food y'all eat to produce acids. The sticky plaque holds these acids on the teeth where they tin can destroy molar enamel. Each time acid is produced, information technology attacks the tooth enamel for almost 20 minutes. Plaque is most harmful when the bacteria take had time - about 25 hours - to organize into colonies.

After repeated acid attacks, and if plaque is not removed daily, the enamel eventually breaks down and decays. Once that happens, the disuse progresses inward to the centre of the tooth. If left untreated, the disuse reaches the pulp of the tooth and an abscess forms at the root end, causing pain. At this stage,

the molar will demand endodontic (root canal) treatment. Without treatment, the tooth must exist extracted.

Here are some warning signs of dental decay:

- A tooth that is sensitive to heat, cold or sweets.

- Pain when chewing.

- Swelling or drainage at/or beneath the gumline.

- A brown spot on a tooth.

- A persistent pain in the mouth or sinus surface area.

If you lot suspect that yous have tooth decay, make a dental appointment without any filibuster.

Voice communication EXERCISES

Practice 1. Answer the following questions to the text «Dental Caries and Pulpitis»:

1. When do diseases of the teeth develop?

two. What are the 2 nearly common diseases of the teeth?

iii. What are the main causes of dental caries?

4. What are the symptoms of caries?

v. What parts of a tooth practice carious lesions most frequently affect?

vi. What are the symptoms of pulpitis?

seven. What complications may pulpitis issue in?

8. What does the treatment of pulpitis consist of?

Do 2. Speak near caries and pulpitis using questions of Ex. 1 as a plan.

Exercise 3. Complete the sentences with the data from the text «Operative and restorative dentistry»:

ane. Caries results from.

2. . is the basis for prevention methods.

3. ... are important aspects of dental patient intendance.

4. Prevention and treatment should be based on .

5. Operative dentistry is the phase of dentistry involving ...

vi. Restorative dentistry is the phase of clinical dentistry that includes ...

Exercise four. Review the text «Operative and restorative dentistry» to answer the post-obit questions:

1. Why exercise dentists believe fluoride can reduce dental caries incidence?

two. Why do dentists recommend to cut downward on carbohydrate-containing food?

three. Why does demineralization procedure occur?

4. What is the definition of operative surgery?

5. What is the definition of restorative surgery?

6. Define dental caries.

seven. Define dental plaque.

Practise 5. Read the text. Entitle it.

Modernistic science tells us that caries originates under the combined effect of microorganisms and sugar. Bacteria absorb on the surface of the teeth due to the acid that occurs in saliva. Every bite of nutrient containing sugar gives the bacteria energy allowing them to multiply and kickoff producing acids. The upshot is the formation of cavities. The initial lesion of dental caries clinically is a white spot which may become stained brown.

Adults of all ages can suffer from tooth decay. Two of three cavities in people older than 50 involve decay around fillings.

Another type of tooth decay common in older people is root caries. Root caries generally occurs in adults who endure from periodontal disease, when the roots are exposed. As the root surface is softer than the enamel the decay occurs more hands.

A balanced diet that provides a sufficient corporeality of proteins, carbohydrates, fats, vitamins, minerals and water is important for both dental and full general health. Other methods of dental caries command are: brushing teeth, fluoridation of water and early on restoration of carious lesions.

Notes:

a white spot which may become - белое пятно, которое может стать

stained chocolate-brown коричневым

a filling - пломба

fluoridation of h2o - фторирование воды

Practice 6. Answer the following questions to the text in Practise 5:

1. What causes caries?

ii. When does root caries develop?

3. What are the methods of dental caries control?

Exercise 7. Summarise the text using the following introductory phrases: The text is headlined ... The text reads about . According to the text ...

The main methods of caries control are enumerated ...

Practise 8. Read and translate the text and allocate dental caries according to pit and cleft versus polish surface and describe the pattern of spread of each within enamel and dentin.

(CLASSIFICATION OF CARIOUS LESIONS

There are two broad classifications of tooth decay based on the anatomy of the tooth surface involved: pit and crevice, and smoothen surface. The pattern by which the spread of dental caries occurs every bit it enlarges and deepens differs in these two types.

Pit and crevice carious lesions begin in the depth of pits and fissures which form from incomplete fusion of enamel lobes during molar development and are virtually impossible to proceed make clean. Fissures and pits are commonly located on the occlusal surfaces of posterior teeth (molars and premolars), every bit well as on the lingual surface of maxillary molars, the buccal surface of mandibular molars, and the lingual fossae of maxillary incisors, peculiarly lateral incisors.

In contrast to pit and fissure caries, smooth surface carious lesions occur on the smooth surfaces of the anatomic crown of the tooth in the areas which are to the lowest degree accessible to the natural cleansing action of the lips, cheeks, and tongue. The pattern of spread within enamel for smoothen surface caries is dissimilar from that for pit and crevice caries since it begins as a relatively broad area of devastation only beneath the outer layer of enamel, simply information technology narrows as it progresses more securely toward the dentinoenamel junction. Once it reaches dentin, nonetheless, information technology spreads out wider at the dentonoenamel junction, simply like pit and crack caries.

Root surface caries is another type of smooth surface caries that occurs on cementum, most oft in patients with disease of the periodontium, patients with decreased saliva flow, or in older patients who take had gingival recession which increases the potential for aggregating of caries-forming plaque on the cementum of root surfaces. Treatment in these cases can include polishing the root, applying fluoride (topical or fluoride containing varnishes), and keeping the roots clean through skillful oral hygiene.

In 1908, Dr. Thousand.V. Blackness developed a comprehensive method of classifying carious lesions that has been useful when describing specific principles of crenel preparation. The original classifications were Yard. 5. Black Grade I, II, Iii, Iv, and V. All pit and cleft type lesions are Class I, whereas Course Ii, III, IV, and 5 caries are all smoothen surface type lesions.

Notes:

pit ямка, углубление

cleft фиссура зуба

lobe доля

accessible доступный, открытый

gingival recession рецессия десны, атрофия десневого края

smooth гладкий, ровный

polishing полировка, полирование

comprehensive глубокий, всесторонний; тщательный, подробный, детальный

Exercise nine. Written report the text «Classification of carious lesions» and fill up in the blanks with suitable words from the text. The showtime letters are given to assist you:

1. P... and f... are nearly impossible to keep clean.

two. The south... surfaces of the crown, to the lowest degree a... to cleansing are susceptible to s. surface carious lesions.

three. Pits and fissures result from incomplete fusion of enamel l... during tooth development.

4. Older patients who have 1000... r... are likely to develop root surface caries.

5. Root surface caries tin can exist treated by p... the root, applying fluoride and practiced oral hygiene.

6. An American dentist One thousand.V. Black fabricated a c... analyses of cavities blueprint and suggested steps of their preparation.

Source: https://studopedia.ru/29_66745_THE-DIAGNOSTIC-PROCEDURE.html

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